[{"id":4603,"type":2,"question":"Express as a decimal 2 $$l$$ 6 ml = $$l$$","answers":["2.006",null,null,null],"correct_index":2,"solution":null,"hints":[]},{"id":4604,"type":2,"question":"Express as a decimal. 1580 ml = $$l$$","answers":["1.58",null,null,null],"correct_index":2,"solution":null,"hints":[]},{"id":4605,"type":2,"question":"0.6 m = cm","answers":["60",null,null,null],"correct_index":60,"solution":null,"hints":[]},{"id":4606,"type":2,"question":"2.72 km = km m","answers":["2","720",null,null],"correct_index":720,"solution":null,"hints":[]},{"id":4607,"type":2,"question":"60.16 kg = kg g","answers":["60","160",null,null],"correct_index":160,"solution":null,"hints":[]},{"id":4608,"type":2,"question":"5.57 $$l$$ = ml","answers":["5570",null,null,null],"correct_index":5570,"solution":null,"hints":[]},{"id":4609,"type":2,"question":"The sum of two numbers is 71.5. One number is 9 times the other number. Find the two numbers. The larger number is and the smaller one is .","answers":["64.35","7.15",null,null],"correct_index":7,"solution":null,"hints":[]},{"id":4610,"type":2,"question":"1 kg of fish cost \\(\\$12.50\\). \n1 kg of mutton cost \\(\\$8.75\\). \nRay bought 20 kg of fish and 30 kg of mutton. \nHow much did he pay altogether? \nHe paid $ altogether.","answers":["512.5",null,null,null],"correct_index":513,"solution":null,"hints":[]},{"id":4611,"type":2,"question":"800 bottles contain 600 litres of water. If each bottle contains the same amount of water, how many litres of water does each water bottle contain? Each bottle contains $$l$$.","answers":["0.75",null,null,null],"correct_index":1,"solution":null,"hints":[]},{"id":4612,"type":2,"question":"A notebook costs \\(\\$0.65\\). 3000 notebooks cost $ .","answers":["1950",null,null,null],"correct_index":1950,"solution":null,"hints":[]},{"id":4613,"type":2,"question":"600 bags of rice were donated to the typhoon victims in a neighbouring country. Each bag of rice had a mass of 20.25 kg. Find the total mass of rice donated. The total mass is kg.","answers":["12150",null,null,null],"correct_index":12150,"solution":null,"hints":[]},{"id":4614,"type":2,"question":"Find the total length of three ribbons, of length 2.4 m, 169 cm and 2$$\\dfrac{3}{1}$$ m. Give your answer in metres, correct to 2 decimal places. The total length is m.","answers":["6.22",null,null,null],"correct_index":6,"solution":null,"hints":[]},{"id":4615,"type":2,"question":"A pipe of length 4.4 m was cut into 8 equal parts. Find the length of each part in centimetres. Each part is cm long.","answers":["55",null,null,null],"correct_index":55,"solution":null,"hints":[]},{"id":4616,"type":2,"question":"Sally bought 70 grapefruits. The grapefruit had a average mass of 235 g. Find the mass of all the grapefruits in kilograms and grams. All the grapefruits weigh kg g.","answers":["16","450",null,null],"correct_index":450,"solution":null,"hints":[]},{"id":4617,"type":2,"question":"At a party, Mrs Tay made 11 litres of fruit punch. She poured it equally into 40 cups. Each cup has ml of fruit punch.","answers":["275",null,null,null],"correct_index":275,"solution":null,"hints":[]},{"id":4618,"type":2,"question":"Rope A is 8.2 m long. Rope B is 165 cm shorter than Rope A. Rope B is m long.","answers":["6.55",null,null,null],"correct_index":7,"solution":null,"hints":[]},{"id":4619,"type":1,"question":"Miranda has 18.6 m of ribbon. She cuts it into 300 equal pieces What is the length of each piece?","answers":["0.062 m","0.62 m","55.8 m","5580 m"],"correct_index":0,"solution":null,"hints":[]},{"id":4620,"type":1,"question":"The height of a triangle is 50 cm. The base is 18.25 cm.What is the area of the triangle?","answers":["912.5 cm²","456.25 cm²","68.25 cm²","31.75 cm²"],"correct_index":1,"solution":null,"hints":[]},{"id":4621,"type":1,"question":"What is the value of 0.004 x 500?","answers":["0.2","2","20","200"],"correct_index":1,"solution":null,"hints":[]},{"id":4622,"type":1,"question":"The area of rectangle is 350.6 $$cm^2$$. The length of the rectangle is 20 cm.Find its breadth.","answers":["15.53 cm","17.53 cm","155.3 cm","175.3 cm"],"correct_index":1,"solution":null,"hints":[]},{"id":4623,"type":1,"question":"A sheet of paper is 0.07 cm thick.Find the thickness of 500 sheets of paper.","answers":["35 cm","350 cm","3.5 m","35 m"],"correct_index":0,"solution":null,"hints":[]},{"id":4624,"type":1,"question":"Add the masses 1.08 kg, 490 g and 1$$\\frac{2}{7}$$ kg.Give your answer correct to the nearest gram.","answers":["1697 g","1883 g","1884 g","2856 g"],"correct_index":3,"solution":null,"hints":[]},{"id":4626,"type":1,"question":"A bottle contains 275 ml of apple juice.How many bottles must you buy if you need 1.6 $$l$$ of apple juice?","answers":["8","7","6","5"],"correct_index":2,"solution":null,"hints":[]},{"id":4627,"type":1,"question":"Express 70 km 40 m in kilometres.","answers":["70.4 km","70.04 km","70.004 km","7.04 km"],"correct_index":1,"solution":null,"hints":[]},{"id":4629,"type":2,"question":"The thickness of a notebook is 1.55 cm.If 80 such identical notebooks are stacked on top of one another, the stack of notebooks will be m.","answers":["1.24",null,null,null],"correct_index":1,"solution":null,"hints":[]},{"id":4630,"type":2,"question":"An old man walks for a distance of 450 m every day. In 1 week, he will walk km m.","answers":["3","150",null,null],"correct_index":3,"solution":null,"hints":[]},{"id":4631,"type":2,"question":"Container A has 750 ml of fruit punch. Container A has 0.45 $$l$$ of fruit punch less than Container B.The total amount of fruit punch in the 2 containers = $$l$$.","answers":["1.95",null,null,null],"correct_index":2,"solution":null,"hints":[]},{"id":4632,"type":2,"question":"A solar-powered car travels 201.25 m in a minute. In an hour, it will travel km.","answers":["12.075",null,null,null],"correct_index":12,"solution":null,"hints":[]},{"id":4633,"type":2,"question":"The total mass of Brian and Alan is 69.7 kg. Alan is 2400 g lighter than Brian.Brian weighs kg","answers":["36.05",null,null,null],"correct_index":36,"solution":null,"hints":[]},{"id":4634,"type":2,"question":"Betty has \\(\\$55.80\\). She has 12 times as much money as Sheila.The two girls have altogether $ .","answers":["60.45",null,null,null],"correct_index":60,"solution":null,"hints":[]},{"id":4635,"type":2,"question":"Max spent \\(\\$651.80\\) on utilities during January and February. If he spent \\(\\$120.40\\) more in January than in February, how much was his utilities' bill for February? Max spent $ on his utilities in February.","answers":["265.7",null,null,null],"correct_index":266,"solution":null,"hints":[]},{"id":4636,"type":2,"question":"Mrs Lim paid \\(\\$72\\) for 9 cakes and 13 pies. A cake cost \\(\\$2.50\\) more than a pie.The cost of each cake is $ .","answers":["4.75",null,null,null],"correct_index":5,"solution":null,"hints":[]},{"id":4637,"type":2,"question":"The ratio of Jake's mass to his father's mass is 8 : 11. They have a total mass of 134.9 kg.Jake's father weighs kg.","answers":["78.1",null,null,null],"correct_index":78,"solution":null,"hints":[]},{"id":4638,"type":2,"question":"A carpenter has a piece of wood of length 25 m. He cuts it into 18 equal pieces.The length of each piece, correct to 1 decimal place, is m.","answers":["1.4",null,null,null],"correct_index":1,"solution":null,"hints":[]},{"id":4639,"type":2,"question":"The mass of Ricky's bag is five times the mass of Jule's bag. The mass of Martin's bag is half the mass of Jule's bag. Martin's bag has a mass of 850 g.Ricky's bag is kg g.","answers":["8","500",null,null],"correct_index":8,"solution":null,"hints":[]},{"id":4640,"type":2,"question":"Rosie made 18 litres of soya bean milk. She gave 4 litres to her friends. Then, she poured the remainder equally into 55 cups.Each cup will have ml, correct to the nearest millilitre.","answers":["255",null,null,null],"correct_index":255,"solution":null,"hints":[]},{"id":4641,"type":2,"question":"To make 1 litre of fruit punch, Mrs Subra mixed 300 ml of concentrate with water.15 litres of fruit punch will have $$l$$ ml of water.","answers":["10","500",null,null],"correct_index":10,"solution":null,"hints":[]},{"id":4642,"type":2,"question":"The mass of a bag with some books is 3450 grams. The mass of the books is 1.8 kg more than the mass of the empty bag. Find the mass of the books in grams. g.","answers":["2625",null,null,null],"correct_index":2625,"solution":null,"hints":[]},{"id":4643,"type":2,"question":"Luca's mass in 3.2 kg more than Eva's mass. Wyndi's mass is 1.05 kg more than Luca's mass. The three girls have a total mass of 104.95 kg.Luca's mass is = kg.","answers":["35.7",null,null,null],"correct_index":36,"solution":null,"hints":[]},{"id":4644,"type":2,"question":"Beatrice spent a total of \\(\\$100\\) on a blouse, a skirt and a bag. The blouse cost twice as much as the bag. The skirt cost \\(\\$14.20\\) more than the bag.The blouse cost $ more than the skirt.","answers":["7.25",null,null,null],"correct_index":7,"solution":null,"hints":[]},{"id":4645,"type":2,"question":"String X is 30 cm longer than string Y. String X is 5 cm shorter than string Z. The total length of the three strings is 3.35m.String Z is m and cm long.","answers":["1","25",null,null],"correct_index":1,"solution":null,"hints":[]},{"id":4646,"type":2,"question":"Mickey's luggage is 650 g heavier than Dave's luggage. The total mass of their luggages is 4.07 kg.Mickey's luggage weighs kg.","answers":["2.36",null,null,null],"correct_index":2,"solution":null,"hints":[]},{"id":4647,"type":2,"question":"$$\\dfrac{90}{1}$$ of a number is 78.75. The number is .","answers":["90",null,null,null],"correct_index":90,"solution":null,"hints":[]},{"id":4648,"type":2,"question":"$$\\dfrac{198}{1}$$ of a number is 59.4. The number is .","answers":["198",null,null,null],"correct_index":198,"solution":null,"hints":[]},{"id":4649,"type":2,"question":"Find the average of the following set of numbers. 12, 27, 30, 67, 100 Average = ","answers":["47.2",null,null,null],"correct_index":47,"solution":null,"hints":[]},{"id":4650,"type":2,"question":"Find the average of the following set of numbers. \n6 , 8 , 20 , 9\n ","answers":["10.75",null,null,null],"correct_index":11,"solution":null,"hints":[]},{"id":4651,"type":2,"question":"Find the average of the following sets of numbers. 10 cm, 25 cm, 40 cm, 85 cm Average = cm","answers":["40",null,null,null],"correct_index":40,"solution":null,"hints":[]},{"id":4652,"type":2,"question":"Find the average of the following set of numbers. 0.3 l, 4.1 l, 7.6 l, 7.7 l, 9 l Average = l","answers":["5.74",null,null,null],"correct_index":6,"solution":null,"hints":[]},{"id":4654,"type":2,"question":"Tony has four children. Andrew is 12 years old. Ann is 10 years old. Andrea and Ashley are 3 years old and 7 years old respectively. The total age of the four children is years.","answers":["32",null,null,null],"correct_index":32,"solution":null,"hints":[]},{"id":4655,"type":2,"question":"Tony has four children. Andrew is 12 years old. Ann is 10 years old. Andrea and Ashley are 3 years old and 7 years old respectively. The average age (in years) of the four children = .","answers":["8",null,null,null],"correct_index":8,"solution":null,"hints":[]},{"id":4656,"type":2,"question":"Tyan scored a total of 243 marks for three subjects, English, Mathematics and Science. His average score for the three subjects is .","answers":["81",null,null,null],"correct_index":81,"solution":null,"hints":[]},{"id":4657,"type":2,"question":"Pete has a younger brother. Their total mass is 73.5 kg. Their average mass is kg.","answers":["36.75",null,null,null],"correct_index":37,"solution":null,"hints":[]},{"id":4658,"type":2,"question":"Our football team scored a total of 16 goals in 5 matches. The average number of goals per match is .","answers":["3.2",null,null,null],"correct_index":3,"solution":null,"hints":[]},{"id":4659,"type":2,"question":"The average of three numbers is 27.8. The sum of these three numbers is .","answers":["83.4",null,null,null],"correct_index":83,"solution":null,"hints":[]},{"id":4660,"type":2,"question":"From Monday to Sunday, a pet shop owner sold an average of 6 hamsters per day. From Monday to Sunday, he sold hamsters.","answers":["42",null,null,null],"correct_index":42,"solution":null,"hints":[]},{"id":4661,"type":2,"question":"The average length of 4 pieces of string is 9.5 cm. The total length of these 4 pieces of string = cm.","answers":["38",null,null,null],"correct_index":38,"solution":null,"hints":[]},{"id":4662,"type":2,"question":"There are 8 cups. The average amount of water in each cup is 255 ml . The total amount of water in the cups is $$l$$ ml.","answers":["2","40",null,null],"correct_index":2,"solution":null,"hints":[]},{"id":4663,"type":2,"question":"The total mass of 4 packets of rice is 5 kg 60 g. Average mass of each packet of rice = g.","answers":["1265",null,null,null],"correct_index":1265,"solution":null,"hints":[]},{"id":4665,"type":2,"question":"The total mass of 6 mangoes is 2 kg 70 g. The average mass of the 6 mangoes is g.","answers":["345",null,null,null],"correct_index":345,"solution":null,"hints":[]},{"id":4666,"type":2,"question":"The total mass of 3 packets of sugar is $$\\frac{3}{8}$$ kg. The average mass of a packet of sugar = kg, correct to 3 decimal places.","answers":["0.125",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":4667,"type":2,"question":"The average of 9 numbers is 2.76. The sum of the 9 numbers is .","answers":["24.84",null,null,null],"correct_index":25,"solution":null,"hints":[]},{"id":4670,"type":2,"question":"The average number of pupils absent in a class from Monday to Friday is 3.4. Two pupils were absent on each of the three days, Tuesday, Wednesday and Thursday. Three more pupils were absent on Monday than on Friday. The number of pupils absent on Monday is .","answers":["7",null,null,null],"correct_index":7,"solution":null,"hints":[]},{"id":4675,"type":2,"question":"The average of three numbers, X, Y, and Z is 24. The ratio of X to Y to Z is 2 : 5 : 1. X is Y is Z is ","answers":["18","45","9",null],"correct_index":18,"solution":null,"hints":[]},{"id":4676,"type":2,"question":"The average height of three boys, Max, Leonard and Kramer is 1 m 62 cm. If Max is 150 cm tall and Lewis is 163 cm tall, Kramer is cm tall.","answers":["173",null,null,null],"correct_index":173,"solution":null,"hints":[]},{"id":4678,"type":2,"question":"The average of 4 numbers is 100. The sum of the first 3 numbers is 350. The fourth number is .","answers":["50",null,null,null],"correct_index":50,"solution":null,"hints":[]},{"id":4681,"type":2,"question":"The average number of push-ups that Bobby, Kok Hong, Simon and Gilbert did was 38. The average number of push-ups that Bobby, Simon and Gilbert did was 37. Kok Hong did push-ups.","answers":["41",null,null,null],"correct_index":41,"solution":null,"hints":[]},{"id":4682,"type":1,"question":"Find the average of 8, 24, 15, 19, 32 and 10","answers":["16","17","18","20"],"correct_index":2,"solution":null,"hints":[]},{"id":4683,"type":2,"question":"The average number of goals scored by the football team in 10 games this year is 4.2. The total number of goals scored by the team in the first 9 games is 35.The number of goals the team score in the 10th game = .","answers":["7",null,null,null],"correct_index":7,"solution":null,"hints":[]},{"id":4684,"type":1,"question":"The average of 5 numbers is 95. Find the sum of the 5 numbers.","answers":["509","495","500","475"],"correct_index":3,"solution":null,"hints":[]},{"id":4685,"type":1,"question":"The average of 2 numbers is 30. One of the numbers is 10. What is the other number?","answers":["50","40","20","15"],"correct_index":0,"solution":null,"hints":[]},{"id":4688,"type":1,"question":"The average length of ribbon used to tie a present is 80 cm. How many metres of ribbon are needed to tie 20 presents.","answers":["0.4 m","4 m","1.6 m","16 m"],"correct_index":3,"solution":null,"hints":[]},{"id":4689,"type":1,"question":"The average number of rainy days from January to June was 13. The total number of rainy days from January to May was 58. How many rainy days were there in June?","answers":["20","13","5","4"],"correct_index":0,"solution":null,"hints":[]},{"id":4690,"type":1,"question":"The average length of five sticks is 105 cm. The first 4 sticks have a length of 90 cm, 98 cm, 111 cm and 119 cm respectively. What is the length of the fifth stick?","answers":["94 cm","105 cm","107 cm","115 cm"],"correct_index":2,"solution":null,"hints":[]},{"id":4693,"type":2,"question":"The average amount of money of Aaron, Dick, Issac and Julian is \\(\\$5.50\\). \nIssac and Dick have a total of \\(\\$12\\) in their wallets. Find the average amount of money of Aaron and Julian. $ ","answers":["5",null,null,null],"correct_index":5,"solution":null,"hints":[]},{"id":4695,"type":2,"question":"The average test marks of Troy, Mickey, John and Olivier was 67.5. John and Mickey scored the same marks. Olivier scored 70 marks and Troy scored 80 marks. Find Mickey's test marks. ","answers":["60",null,null,null],"correct_index":60,"solution":null,"hints":[]},{"id":4700,"type":2,"question":"The total height of Sam, his wife and 2 sons is 6 m 52 cm. The average height of Sam and his wife is 1 m 67 cm. Find the average height of his 2 sons. cm","answers":["159",null,null,null],"correct_index":159,"solution":null,"hints":[]},{"id":4701,"type":2,"question":"The total height of Sam, his wife and 2 sons is 6 m 52 cm. The average height of Sam and his wife is 1 m 67 cm. If his elder son is 12 cm taller than his younger son, how tall is his elder son? cm","answers":["165",null,null,null],"correct_index":165,"solution":null,"hints":[]},{"id":4702,"type":2,"question":"The average number of push-ups done by a class of 36 pupils is 6. The class has 20 girls. The average number of push-ups done by the girls is 4.8. How many chin-ups did all the boys do? ","answers":["120",null,null,null],"correct_index":120,"solution":null,"hints":[]},{"id":4703,"type":2,"question":"The average number of chin-ups done by a class of 36 pupils is 6. The class has 20 girls. The average number od chin-ups done by the girls is 4.8. Find the average number of chin-ups done by the boys. ","answers":["7.5",null,null,null],"correct_index":8,"solution":null,"hints":[]},{"id":4704,"type":2,"question":"The average of 7 numbers is 100. If one of the numbers is removed, the average of the remaining 6 numbers becomes 101. What is the number that is removed? ","answers":["94",null,null,null],"correct_index":94,"solution":null,"hints":[]},{"id":4705,"type":2,"question":"The average of 4 consecutive even numbers is 105. What is the smallest number? ","answers":["102",null,null,null],"correct_index":102,"solution":null,"hints":[]},{"id":4706,"type":2,"question":"The average of 3 consecutive numbers is 39. What is the largest number? ","answers":["40",null,null,null],"correct_index":40,"solution":null,"hints":[]},{"id":4707,"type":2,"question":"The average of 5 numbers is 32. If two of the numbers are removed, the average of the remaining 3 numbers becomes 30. What is the average of the two numbers that are removed? ","answers":["35",null,null,null],"correct_index":35,"solution":null,"hints":[]},{"id":4708,"type":2,"question":"The average of 5 numbers is 32. If two of the numbers are removed, the average of the remaining 3 numbers becomes 30. If the difference between the two numbers is 4, what are these two numbers? The larger number is and the smaller number is ","answers":["37","33",null,null],"correct_index":37,"solution":null,"hints":[]},{"id":4709,"type":2,"question":"The average mass of two boys is 50 kg. A third boy joins them and now the average mass of the group becomes 60 kg. What is the mass of the third boy? kg.","answers":["80",null,null,null],"correct_index":80,"solution":null,"hints":[]},{"id":4710,"type":2,"question":"The average mass of a group of 3 girls is 34 kg. A fourth girl joins the group and now the average mass of the group becomes 32 kg. What is the mass of the fourth girl? kg","answers":["26",null,null,null],"correct_index":26,"solution":null,"hints":[]},{"id":4711,"type":2,"question":"There were 30 pupils in a class. In a class test, 1 boy was absent and the average score of the remaining pupils was 79 marks. The boy who was absent took the test the next day and got 90 marks. What was the average score of the class if the score of this boy was included? Give your answer correct to 2 decimal places. ","answers":["79.37",null,null,null],"correct_index":79,"solution":null,"hints":[]},{"id":4712,"type":2,"question":"There were 35 pupils in a class. In a standing board jump test, 4 pupils were unwell and the average distance jumped by the rest of the class was 134 cm. The 4 pupils eventually took the test the following week and the average distance jumped by them was 125.25 cm. What is the new average distance of the class. cm","answers":["133",null,null,null],"correct_index":133,"solution":null,"hints":[]},{"id":4717,"type":2,"question":"The average of 2 numbers is 25. One of the numbers is replaced by the number 21. The average of the numbers now becomes 22.5. Find the number that is not changed. ","answers":["24",null,null,null],"correct_index":24,"solution":null,"hints":[]},{"id":4718,"type":2,"question":"The average of 2 numbers is 25. One of the numbers is replaced by the number 21. The average of the numbers now becomes 22.5. What was the original number before it was changed to the number 21? ","answers":["26",null,null,null],"correct_index":26,"solution":null,"hints":[]},{"id":4719,"type":2,"question":"The average of 2 numbers is 9. One of the numbers is changed to 8. The average of the numbers now becomes 10. Find the number that remains unchanged. ","answers":["12",null,null,null],"correct_index":12,"solution":null,"hints":[]},{"id":4720,"type":2,"question":"The average of 2 numbers is 9. One of the numbers is replaced by the number 8. The average of the numbers now becomes 10. What was the number that was replaced by the number 8? ","answers":["6",null,null,null],"correct_index":6,"solution":null,"hints":[]},{"id":4723,"type":2,"question":"$$\\frac{7}{100}$$ = %","answers":["7",null,null,null],"correct_index":7,"solution":null,"hints":[]},{"id":4724,"type":2,"question":"$$\\frac{81}{100}$$ = %","answers":["81",null,null,null],"correct_index":81,"solution":null,"hints":[]},{"id":4725,"type":2,"question":"$$\\frac{2}{10}$$ = %","answers":["20",null,null,null],"correct_index":20,"solution":null,"hints":[]},{"id":4726,"type":2,"question":"$$\\frac{8}{10}$$ = %","answers":["80",null,null,null],"correct_index":80,"solution":null,"hints":[]},{"id":4727,"type":2,"question":"9% = $$\\frac{A}{100}$$ ","answers":["9",null,null,null],"correct_index":9,"solution":null,"hints":[]},{"id":4728,"type":2,"question":"75% = $$\\frac{A}{100}$$ ","answers":["75",null,null,null],"correct_index":75,"solution":null,"hints":[]},{"id":4729,"type":2,"question":"28% = $$\\frac{28}{A}$$ ","answers":["100",null,null,null],"correct_index":100,"solution":null,"hints":[]},{"id":4730,"type":2,"question":"36% = $$\\frac{36}{A}$$ ","answers":["100",null,null,null],"correct_index":100,"solution":null,"hints":[]},{"id":4731,"type":2,"question":"38 out of 100 is %.","answers":["38",null,null,null],"correct_index":38,"solution":null,"hints":[]},{"id":4732,"type":2,"question":" out of 100 is 60%.","answers":["60",null,null,null],"correct_index":60,"solution":null,"hints":[]},{"id":4733,"type":2,"question":"51 out of is 51%.","answers":["100",null,null,null],"correct_index":100,"solution":null,"hints":[]},{"id":4734,"type":2,"question":"5 out of 10 is %.","answers":["50",null,null,null],"correct_index":50,"solution":null,"hints":[]},{"id":4735,"type":2,"question":"0.09 = %","answers":["9",null,null,null],"correct_index":9,"solution":null,"hints":[]},{"id":4736,"type":2,"question":"0.66 = %","answers":["66",null,null,null],"correct_index":66,"solution":null,"hints":[]},{"id":4737,"type":2,"question":"0.6 = %","answers":["60",null,null,null],"correct_index":60,"solution":null,"hints":[]},{"id":4738,"type":2,"question":"0.9 = %","answers":["90",null,null,null],"correct_index":90,"solution":null,"hints":[]},{"id":4739,"type":1,"question":"17% = _______","answers":["$$\\frac{17}{100}$$","$$\\frac{7}{50}$$","$$\\frac{9}{50}$$","None of the above"],"correct_index":0,"solution":null,"hints":[]},{"id":4741,"type":1,"question":"4% = ________","answers":["$$\\frac{2}{13}$$","$$\\frac{2}{25}$$","$$\\frac{1}{24}$$","None of the above"],"correct_index":3,"solution":null,"hints":[]},{"id":4742,"type":1,"question":"96% = ________","answers":["$$\\frac{17}{18}$$","$$\\frac{23}{25}$$","$$\\frac{24}{25}$$","None of the above"],"correct_index":2,"solution":null,"hints":[]},{"id":4743,"type":2,"question":"Express as a decimal. 19% = ","answers":["0.19",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":4744,"type":2,"question":"Express as a decimal. 35% = ","answers":["0.35",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":4745,"type":2,"question":"Express as a decimal. 49% = ","answers":["0.49",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":4746,"type":2,"question":"Express as a decimal. 80% = ","answers":["0.8",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":4747,"type":2,"question":"There were 100 pupils in a school choir. 6 of them were boys. % of the pupils in the school choir were boys.","answers":["6",null,null,null],"correct_index":6,"solution":null,"hints":[]},{"id":4748,"type":2,"question":"There were 100 pupils in a school choir. 6 of them were boys. % of the pupils in the school choir were girls.","answers":["94",null,null,null],"correct_index":94,"solution":null,"hints":[]},{"id":4749,"type":2,"question":"There are 10 fruits in a basket. 3 of the fruits are apples. The rest are oranges. % of the fruits are apples.","answers":["30",null,null,null],"correct_index":30,"solution":null,"hints":[]},{"id":4750,"type":2,"question":"There are 10 fruits in a basket. 3 of the fruits are apples. The rest are oranges. % of the fruits are oranges.","answers":["70",null,null,null],"correct_index":70,"solution":null,"hints":[]},{"id":4751,"type":2,"question":"$$\\frac{19}{20}$$ = %","answers":["95",null,null,null],"correct_index":95,"solution":null,"hints":[]},{"id":4752,"type":2,"question":"$$\\frac{3}{5}$$ = %","answers":["60",null,null,null],"correct_index":60,"solution":null,"hints":[]},{"id":4753,"type":2,"question":"$$\\frac{60}{125}$$ = %","answers":["48",null,null,null],"correct_index":48,"solution":null,"hints":[]},{"id":4754,"type":2,"question":"$$\\frac{180}{240}$$ = %","answers":["75",null,null,null],"correct_index":75,"solution":null,"hints":[]},{"id":4755,"type":2,"question":"In a class, $$\\dfrac{15}{1}$$ of the pupils wore glasses. What percentage of the pupils wore glasses? %","answers":["15",null,null,null],"correct_index":15,"solution":null,"hints":[]},{"id":4756,"type":2,"question":"There were 100 passengers on a train. 85 of them were adults. % of the passengers on the train were adults.","answers":["85",null,null,null],"correct_index":85,"solution":null,"hints":[]},{"id":4757,"type":2,"question":"There were 100 passengers on a train. 85 of them were adults. % of the passengers on the train were not adults.","answers":["15",null,null,null],"correct_index":15,"solution":null,"hints":[]},{"id":4758,"type":2,"question":"Alan had some money. He spent $$\\dfrac{36}{1}$$ of it on his lunch. What percentage of his money did he spend on his lunch? %","answers":["36",null,null,null],"correct_index":36,"solution":null,"hints":[]},{"id":4759,"type":2,"question":"Alan had some money. He spent $$\\dfrac{64}{1}$$ of it on his lunch. What percentage of his money had he left? %","answers":["64",null,null,null],"correct_index":64,"solution":null,"hints":[]},{"id":4760,"type":2,"question":"On a bus, $$\\dfrac{35}{1}$$ of the seats were occupied. What percentage of the seats was not occupied? %","answers":["35",null,null,null],"correct_index":35,"solution":null,"hints":[]},{"id":4761,"type":2,"question":"Mr Koay had \\(\\$60\\). \nHe used \\(\\$18\\) to buy a book. \nWhat percentage of his money did he use to buy the book? %","answers":["30",null,null,null],"correct_index":30,"solution":null,"hints":[]},{"id":4762,"type":2,"question":"Mr Koay had \\(\\$60\\). \nHe used \\(\\$18\\) to buy a book. \n What percentage of his money did he have left? %","answers":["70",null,null,null],"correct_index":70,"solution":null,"hints":[]},{"id":4763,"type":2,"question":"There are 200 flats in an apartment block. 84 of them are four-room flats. The rest are five-room flats. What percentage of the flats are five-room flats? %","answers":["58",null,null,null],"correct_index":58,"solution":null,"hints":[]},{"id":4764,"type":2,"question":"80 pupils took part in the Mathematics Olympiad contest. 16 of them were Primary Five pupils. What percentage of the pupils were not Primary Five pupils? %","answers":["80",null,null,null],"correct_index":80,"solution":null,"hints":[]},{"id":4765,"type":2,"question":"25% of \\(\\$300\\) = $ ","answers":["75",null,null,null],"correct_index":75,"solution":null,"hints":[]},{"id":4766,"type":2,"question":"9% of 500 cm = cm","answers":["45",null,null,null],"correct_index":45,"solution":null,"hints":[]},{"id":4767,"type":2,"question":"80% of 20 kg = kg","answers":["16",null,null,null],"correct_index":16,"solution":null,"hints":[]},{"id":4768,"type":2,"question":"100% of 70 m = m","answers":["70",null,null,null],"correct_index":70,"solution":null,"hints":[]},{"id":4770,"type":2,"question":"There are 40 fruits in a box. 35% of them are apples. How many apples are there? ","answers":["14",null,null,null],"correct_index":14,"solution":null,"hints":[]},{"id":4771,"type":2,"question":"Max had \\(\\$500\\). He gave 65% of the money to his parents and spent the rest. How much money did he spend? $ ","answers":["175",null,null,null],"correct_index":175,"solution":null,"hints":[]},{"id":4772,"type":2,"question":"There were 45 questions in a test. Rinna answered 80% of them correctly. How many questions did she answer incorrectly? ","answers":["9",null,null,null],"correct_index":9,"solution":null,"hints":[]},{"id":4773,"type":2,"question":"The football team scored 150 goals last year. 66% of the goals were scored by the strikers. How many goals were scored by the strikers? ","answers":["99",null,null,null],"correct_index":100,"solution":null,"hints":[]},{"id":4774,"type":2,"question":"Andy drew 30 shapes for his Art assignment. 20% of the shapes were squares. 50% of the shapes were circles. The rest were triangles. How many squares did he draw? ","answers":["6",null,null,null],"correct_index":6,"solution":null,"hints":[]},{"id":4775,"type":2,"question":"Andy drew 30 shapes for his Art assignment. 20% of the shapes were squares. 50% of the shapes were circles. The rest were triangles. What percentage of the shapes were triangles? ","answers":["30",null,null,null],"correct_index":30,"solution":null,"hints":[]},{"id":4776,"type":2,"question":"Andy drew 30 shapes for his Art assignment. 20% of the shapes were squares. 50% of the shapes were circles. The rest were triangles. How many triangles did he draw? ","answers":["9",null,null,null],"correct_index":9,"solution":null,"hints":[]},{"id":4777,"type":2,"question":"There are 40 pupils in Class 5D. 95% of them are going for the school camp. How many pupils are not going for the school camp? ","answers":["2",null,null,null],"correct_index":2,"solution":null,"hints":[]},{"id":4779,"type":2,"question":"Alicia had \\(\\$200\\). She spent 15% of the money on food and 24% of the money on clothes. She saved the rest of the money. What percentage of the money did she save? %","answers":["61",null,null,null],"correct_index":61,"solution":null,"hints":[]},{"id":4781,"type":2,"question":"Sally made 50 pies. 60% of them were chicken pies. 10% of them were apple pies. Thes rest were vegetable pies. How many vegetable pies did she make? ","answers":["15",null,null,null],"correct_index":15,"solution":null,"hints":[]},{"id":4782,"type":2,"question":"A fruit juice stall sold 120 glasses of fruit juice. 40% of them were apple juice. 10% of them were orange juice. 15% of them were watermelon juice. The rest were mixed juice. How many glasses of mixed juice were sold? ","answers":["42",null,null,null],"correct_index":42,"solution":null,"hints":[]},{"id":4783,"type":2,"question":"There are 1700 pupils in a school. 16% of them get to school by car. 18% of them get to school by school bus. 64% of them walk to school. The rest of the pupils cycle to school. How many pupils cycle to school? ","answers":["34",null,null,null],"correct_index":34,"solution":null,"hints":[]},{"id":4784,"type":2,"question":"Express 10 cm as a percentage of 2 m. %","answers":["5",null,null,null],"correct_index":5,"solution":null,"hints":[]},{"id":4785,"type":2,"question":"Express 1500 g as a percentage of 2 kg. %","answers":["75",null,null,null],"correct_index":75,"solution":null,"hints":[]},{"id":4786,"type":2,"question":"Express 1900 ml as a percentage of 1l. %","answers":["190",null,null,null],"correct_index":190,"solution":null,"hints":[]},{"id":4787,"type":2,"question":"Express 3 km 200 m as a percentage of 2 km. %","answers":["160",null,null,null],"correct_index":160,"solution":null,"hints":[]},{"id":4790,"type":2,"question":"The usual price of a Swatch watch was 110 dollars. During a year-end sale, a 20% discount was offered. How much was the discount? Answer : $ ","answers":["22",null,null,null],"correct_index":22,"solution":null,"hints":[]},{"id":4792,"type":2,"question":"The usual price of a bag was \\(\\$60\\). Sophia bought it at a discount of 40% during the year-end sale. How much was the discount? Answer : $ ","answers":["24",null,null,null],"correct_index":24,"solution":null,"hints":[]},{"id":4795,"type":2,"question":"The price of a ticket to a show was \\(\\$130\\) before tax of 7%. What was the price of the ticket with the tax included? Answer : $ ","answers":["139.1",null,null,null],"correct_index":139,"solution":null,"hints":[]},{"id":4796,"type":2,"question":"Lionel borrows \\(\\$2000\\) from a bank. The bank charges 12% interest per year. How much interest must he pay the bank if the loan is for a year? Answer : $ ","answers":["240",null,null,null],"correct_index":240,"solution":null,"hints":[]},{"id":4799,"type":2,"question":"The usual price of a book was \\(\\$15\\). At a sale, a discount of 40% was given. How much did Dave pay if he bought the book during the sale? Answer : $ ","answers":["9",null,null,null],"correct_index":9,"solution":null,"hints":[]},{"id":4800,"type":2,"question":"The price of a washing machine is \\(\\$460\\). In addition, buyers need to pay 7% tax. How much money altogether will Mr Tan need to pay for the washing machine? Answer : $ ","answers":["492.2",null,null,null],"correct_index":492,"solution":null,"hints":[]},{"id":4801,"type":2,"question":"Melody puts \\(\\$6500\\) into a savings account which pays 2% interest per year. How much money will she have in the savings account after 1 year? Answer : $ ","answers":["6630",null,null,null],"correct_index":6630,"solution":null,"hints":[]},{"id":4802,"type":1,"question":"Express 150 cm as a percentage of 6 m.","answers":["75%","45%","25%","15%"],"correct_index":2,"solution":null,"hints":[]},{"id":4803,"type":1,"question":"Expres 80% as a decimal.","answers":["8","0.8","0.08","0.008"],"correct_index":1,"solution":null,"hints":[]},{"id":4804,"type":1,"question":"Express $$\\dfrac{11}{20}$$ as a percentage.","answers":["11%","22%","44%","55%"],"correct_index":3,"solution":null,"hints":[]},{"id":4806,"type":1,"question":"The price of a printer is \\(\\$400\\). In addition, buyers need to pay a 7%. tax on the sale price. How much must Dan pay for the printer altogether?","answers":["$28","$372","$407","$428"],"correct_index":3,"solution":null,"hints":[]},{"id":4807,"type":1,"question":"Pansy scored 96 marks out of 150 marks in an English test. What percentage did she score for the test?","answers":["36%","48%","64%","96%"],"correct_index":2,"solution":null,"hints":[]},{"id":4809,"type":1,"question":"Marvin had \\(\\$50\\). He spent some of the money and had \\(\\$10\\) left. What percentage of his money did he spend?","answers":["20%","40%","60%","80%"],"correct_index":3,"solution":null,"hints":[]},{"id":4810,"type":1,"question":"Smarty puts \\(\\$50000\\) in an investment account. The account has an interest rate of 5% per year. How much interest will he earn after 1 year?","answers":["$1000","$2500","$10000","$25000"],"correct_index":1,"solution":null,"hints":[]},{"id":4811,"type":1,"question":"75% of the passengers on a bus are men. 10% percentage of them are women. The rest are children. What is the difference in the percentage of passengers who are adults and the percentage of passengers who are children?","answers":["15%","65%","70%","85%"],"correct_index":2,"solution":null,"hints":[]},{"id":4812,"type":1,"question":"Steve bought 50 fruits. 10% of the fruits were oranges. The rest were apples. How many more apples than oranges were there?","answers":["5","10","40","45"],"correct_index":2,"solution":null,"hints":[]},{"id":4813,"type":1,"question":"There are 40 pupils in a class. 15% of them go home by school bus. 30% of them go home by car. The rest of them walk home. How many pupils walk home?","answers":["6","12","18","22"],"correct_index":3,"solution":null,"hints":[]},{"id":4815,"type":1,"question":"There are 40 animals in a pet shop. $$\\dfrac{-9}{1}$$ of them are cats. 15% of them are dogs. The rest are rabbits. How many rabbits and dogs are there in all?","answers":["10","16","30","36"],"correct_index":0,"solution":null,"hints":[]},{"id":4819,"type":2,"question":"Little Jimmy put 6 fifty-cent coins into his piggy bank and had 4 fifty-cent coins left. What percentage of his money did he put into his piggy bank? %","answers":["60",null,null,null],"correct_index":60,"solution":null,"hints":[]},{"id":4821,"type":2,"question":"Gary gave \\(\\$20\\) to his brother. He gave \\(\\$24\\) to his sister. He had \\(\\$36\\) left. What percentage of his money had he left? %","answers":["45",null,null,null],"correct_index":45,"solution":null,"hints":[]},{"id":4822,"type":2,"question":"Shem spent \\(\\$900\\) of his salary on his part-time tuition fees. He gave \\(\\$250\\) to his parents. He had \\(\\$350\\) left. What percentage of his salary did he spend on his tuition fees? %","answers":["60",null,null,null],"correct_index":60,"solution":null,"hints":[]},{"id":4823,"type":2,"question":"10% of the fruits in a box are rotten. The rest are not rotten. Find the ratio of the number of fruits that are not rotten to the number of fruits that are rotten. Give your answer in simplest form. : ","answers":["9","1",null,null],"correct_index":9,"solution":null,"hints":[]},{"id":4824,"type":2,"question":"Tyan spent 20% of his salary on transport and 15% of his salary on food. What was the ratio of the amount of money he spent on food to the amount of money he had left? Give your answer in simplest form. : ","answers":["3","13",null,null],"correct_index":3,"solution":null,"hints":[]},{"id":4825,"type":2,"question":"There are some marbles in a bag. 18% of them are red. 25% of them are green. The rest are blue. Find the ratio of the number of green marbles to the number of blue marbles. Give your answer in simplest form. : ","answers":["25","57",null,null],"correct_index":25,"solution":null,"hints":[]},{"id":4826,"type":2,"question":"36% of the coins in a bag are one-dollar coins. The rest are fifty-cent coins. What is the ratio of the number of one-dollar coins to the number of fifty-cent coins? : ","answers":["9","16",null,null],"correct_index":9,"solution":null,"hints":[]},{"id":4827,"type":2,"question":"Sammy spent 10% of his money on food and 30% of his money on a book. What was the ratio of the amount of money he spent on food to the amount of money he had left? Give your answer in simplest form. : ","answers":["1","6",null,null],"correct_index":1,"solution":null,"hints":[]},{"id":4828,"type":2,"question":"A flag was painted in three colours, orange, red and yellow. 30% of the flag was painted in orange. The area painted in orange was three times the area panted in red. Find the ratio of the area painted in orange to the area painted in red to the area painted in yellow. Give your answer in simplest form. : : ","answers":["3","1","6",null],"correct_index":3,"solution":null,"hints":[]},{"id":4829,"type":2,"question":"In a school, 24% of the pupils come to school by bus. The percentage of pupils coming to school by car is twice the percentage of pupils coming to school by bus. The rest of the pupils walk to school. What is the ratio of the number of pupils coming to school by bus to the number of pupils comin to school by car to the number of pupils walking to school? Give your answer in simplest form. : : ","answers":["6","12","7",null],"correct_index":6,"solution":null,"hints":[]},{"id":4830,"type":2,"question":"On a tour bus to a resort, the number of girls was $$\\dfrac{4}{1}$$ of the number of boys. 50% of the passengers were adults. Find the ratio of the number of boys to the number of girls to the number of adults. : : ","answers":["4","3","7",null],"correct_index":4,"solution":null,"hints":[]},{"id":4831,"type":2,"question":"The ratio of the number of four-room flats to the number of five-room flats in an apartment block is 13 : 7. What percentage of the flats are four-room flats? %","answers":["65",null,null,null],"correct_index":65,"solution":null,"hints":[]},{"id":4832,"type":2,"question":"In the box, there were red, blue and black pens. 70% of the pens were black pens. The number of red pens was $$\\dfrac{3}{10}$$ of the number of blue pens. Find the ratio of the number of black pens to the number of red pens to the number of blue pens. Give your answer in simplest form. : : ","answers":["21","4","5",null],"correct_index":21,"solution":null,"hints":[]},{"id":4833,"type":2,"question":"The ratio of the number of boys to the number of girls in a class is 12 : 13. What percentage of the pupils are girls? %","answers":["52",null,null,null],"correct_index":52,"solution":null,"hints":[]},{"id":4834,"type":2,"question":"Gretchen used flour, butter and sugar to make bread. The ratio of the amount of flour used to the amount of butter used to the amount of sugar used is 13 : 6 : 1. What percentage of the bread was made from butter? %","answers":["30",null,null,null],"correct_index":30,"solution":null,"hints":[]},{"id":4835,"type":2,"question":"Millie mixed pineapple juice, orange juice and apple juice to make a drink for the children at a party. The ratio of the amount of pineapple juice to the amount of orange juice to the amount of apple juice was 5 : 4 : 11. What percentage of the drink was made from orange juice? %","answers":["20",null,null,null],"correct_index":20,"solution":null,"hints":[]},{"id":4836,"type":2,"question":"A cage in the school contains basketballs, volleyballs and hockey sticks. $$\\dfrac{50}{1}$$ of the items are hockey sticks. The ratio of the number of basketballs to the number of volleyballs is 5 : 3. What percentage of the items are basketballs? %","answers":["50",null,null,null],"correct_index":50,"solution":null,"hints":[]},{"id":4837,"type":2,"question":"On an airplane, the ratio of the number of men to the number of women was 9 : 5. $$\\dfrac{25}{9}$$ of passengers were children. What percentage of the passengers were women? %","answers":["25",null,null,null],"correct_index":25,"solution":null,"hints":[]},{"id":4838,"type":2,"question":"At a party, the ratio of the number of boys to the number of girls was 1 : 2. The ratio of the number of children to the number of adults was 9 : 1. What percentage of the people were girls? %","answers":["60",null,null,null],"correct_index":60,"solution":null,"hints":[]},{"id":4839,"type":2,"question":"$$\\dfrac{3}{1}$$ of A is equal to 20% of B. What is the ratio of A to B? : ","answers":["3","5",null,null],"correct_index":3,"solution":null,"hints":[]},{"id":4840,"type":2,"question":"In a zoo, 40% of the number of monkeys is equal to $$\\dfrac{1}{4}$$ of the number of chimpanzees. Find the ratio of the number of monkeys to the number of chimpanzees. : ","answers":["10","7",null,null],"correct_index":10,"solution":null,"hints":[]},{"id":4841,"type":2,"question":"30% of X is equal to 10% of Y. Find the ratio of X to the sum of X and Y. : ","answers":["1","4",null,null],"correct_index":1,"solution":null,"hints":[]},{"id":4842,"type":2,"question":"50% of A is equal to $$\\dfrac{1}{25}$$ of B. Find the ratio of A to the difference between B and A. : ","answers":["2","3",null,null],"correct_index":2,"solution":null,"hints":[]},{"id":4843,"type":2,"question":"60% of Gary's salary is equal to 25% of Ben's salary. What is the ratio of Gary's salary to Ben's salary? : ","answers":["5","12",null,null],"correct_index":5,"solution":null,"hints":[]},{"id":4844,"type":2,"question":"80% of Lance's savings is equal to 75% to Lennie's savings. Find the ratio of Lance's savings to the difference between Lance's savings and Lennie's savings. : ","answers":["15","1",null,null],"correct_index":15,"solution":null,"hints":[]},{"id":4845,"type":1,"question":"Mrs. Fields baked some almond cookies and cashew-nut cookies. 45% of the number of almond cookies is equal to 30% of the number of cashew-nut cookies. What fraction of the cookies are almond cookies?","answers":["$$\\frac{1}{5}$$","$$\\frac{2}{5}$$","$$\\frac{3}{5}$$","$$\\frac{3}{4}$$"],"correct_index":1,"solution":null,"hints":[]},{"id":4977,"type":2,"question":"Find the volume of a cube of edge 40 cm long. $$cm^3$$","answers":["64000",null,null,null],"correct_index":64000,"solution":null,"hints":[]},{"id":4978,"type":2,"question":"Find the volume of a cuboid of length 28 cm, breadth 20 cm and height 10 cm. $$cm^3$$","answers":["5600",null,null,null],"correct_index":5600,"solution":null,"hints":[]},{"id":4980,"type":2,"question":"Write in cubic centimetres. 160 m$$l$$ = $$cm^3$$","answers":["160",null,null,null],"correct_index":160,"solution":null,"hints":[]},{"id":4981,"type":2,"question":"Write in cubic centimetres. 3 $$l$$ = $$cm^3$$","answers":["3000",null,null,null],"correct_index":3000,"solution":null,"hints":[]},{"id":4982,"type":2,"question":"Write in cubic centimetres. 4 $$l$$ 10 m$$l$$ = $$cm^3$$","answers":["4010",null,null,null],"correct_index":4010,"solution":null,"hints":[]},{"id":4983,"type":2,"question":"Write in cubic centimetres. 18 $$l$$ 5 m$$l$$ = $$cm^3$$","answers":["18005",null,null,null],"correct_index":18005,"solution":null,"hints":[]},{"id":4984,"type":2,"question":"Write in litres and millilitres. 250 $$cm^3$$ = $$l$$ m$$l$$","answers":["0","250",null,null],"correct_index":0,"solution":null,"hints":[]},{"id":4985,"type":2,"question":"Write in litres and millilitres. 1705 $$cm^3$$ = $$l$$ m$$l$$","answers":["1","705",null,null],"correct_index":1,"solution":null,"hints":[]},{"id":4986,"type":2,"question":"Write in litres and millilitres. 3010 $$cm^3$$ = $$l$$ m$$l$$","answers":["3","10",null,null],"correct_index":3,"solution":null,"hints":[]},{"id":4987,"type":2,"question":"Write in litres and millilitres. 15009 $$cm^3$$ = $$l$$ m$$l$$","answers":["15","9",null,null],"correct_index":15,"solution":null,"hints":[]},{"id":4988,"type":2,"question":"A rectangular container measures 50 cm by 20 cm by 9 cm. It is completely filled with water. How many cubic centimetres of water are there in the container? ","answers":["9000",null,null,null],"correct_index":9000,"solution":null,"hints":[]},{"id":4989,"type":2,"question":"A rectangular tank measures 19 cm by 14 cm by 15.5 cm. Find the capacity of the tank in litres and millilitres. (1 $$l$$ = 1000 $$cm^3$$) $$l$$ m$$l$$","answers":["4","123",null,null],"correct_index":4,"solution":null,"hints":[]},{"id":4992,"type":2,"question":"The base of a container is a square of sides 20 cm. The height of the container is 15 cm. What is the capacity of the container in litres? (1 $$l$$ = 1000 cm³) $$l$$","answers":["6",null,null,null],"correct_index":6,"solution":null,"hints":[]},{"id":4993,"type":2,"question":"A wooden rectangular block measures 8 cm by 6 cm by 4.5 cm. What is the total volume of 5 identical wooden blocks placed side by side? Give your answer in litres and millilitres. (1 $$l$$ = 1000 cm³) $$l$$ ml","answers":["1","80",null,null],"correct_index":1,"solution":null,"hints":[]},{"id":4994,"type":2,"question":"Find the total volume of 10 identical 7-cm cubes stacked one on top of the other. Give your answer in litres and millilitres. (1 $$l$$ = 1000 cm³) $$l$$ ml","answers":["3","430",null,null],"correct_index":3,"solution":null,"hints":[]},{"id":4995,"type":2,"question":"A cuboid measures 34 cm by 10 cm by 8 cm. Find the total volume of 4 identical cuboids. Give your answer in litres and millilitres. (1 $$l$$ = 1000 cm³) $$l$$ ml","answers":["10","880",null,null],"correct_index":10,"solution":null,"hints":[]},{"id":5000,"type":2,"question":"A rectangular container measuring 52 cm by 45 cm by 33 cm is filled with water to the brim. Then, 10.07 $$l$$ of water is poured out of the container. How much water is left in the container? Give your answer in litres and millilitres. (1 $$l$$ = 1000 cm³) $$l$$ ml.","answers":["67","150",null,null],"correct_index":67,"solution":null,"hints":[]},{"id":5001,"type":2,"question":"A container with a square base of side 25 cm and a height of 20 cm was filled with water to the brim. Some water was poured out of the container and 6.05 $$l$$ of water was left. How much water was poured out? Give your answer in litres and millilitres (1 l= 1000 cm³) $$l$$ ml","answers":["6","450",null,null],"correct_index":6,"solution":null,"hints":[]},{"id":5002,"type":2,"question":"A rectangular fish tank measures 95 cm by 60 cm by 75 cm. It is filled with water up to $$\\dfrac{64}{19}$$ of its height. What is the volume of water in the fish tank? Give your answer in litres and millilitres. (1 l= 1000 cm³) $$l$$ ml","answers":["320","625",null,null],"correct_index":320,"solution":null,"hints":[]},{"id":5003,"type":2,"question":"A cubical container of edge 21 cm is filled with washing powder up to $$\\dfrac{5}{21}$$ of its height. How much more washing powder can be poured into the container before it become full? Give your answer in litres and millilitres. (1 l= 1000 cm³) $$l$$ ml","answers":["5","292",null,null],"correct_index":5,"solution":null,"hints":[]},{"id":5004,"type":2,"question":"A cubical tank with an edge of 36 cm is $$\\dfrac{19}{18}$$ filled with water. How much water is there in the tank? Give your answer in litres and millilitres. (1 l= 1000 cm³) $$l$$ ml","answers":["38","880",null,null],"correct_index":38,"solution":null,"hints":[]},{"id":5005,"type":2,"question":"A rectangular container 100 cm long, 45 cm wide and 60 cm high is $$\\dfrac{81}{100}$$ filled with used cooking oil from a restaurant. Find the volume of used cooking oil in the container. Give your answer in litres. (1 $$l$$ = 1000 cm³) $$l$$","answers":["81",null,null,null],"correct_index":81,"solution":null,"hints":[]},{"id":5006,"type":2,"question":"A rectangular container 100 cm long, 45 cm wide and 60 cm high is $$\\frac{3}{10}$$ filled with used cooking oil from a restaurant. How much more used cooking oil can be poured into the container before it becomes full? Give your answer in litres. (1 l= 1000 cm³) $$l$$","answers":["189",null,null,null],"correct_index":189,"solution":null,"hints":[]},{"id":5011,"type":1,"question":"A rectangular container measured 5 cm by 4 cm by 20 cm. It is filled with liquid detergent up to $$\\dfrac{9}{10}$$ of its height. Find the volume of detergent in the container.","answers":["400 cm³","360cm³","340 cm³","230cm³"],"correct_index":1,"solution":null,"hints":[]},{"id":5013,"type":1,"question":"A container with a square base of side 27 cm and a height of 9 cm is filled with water to the brim. Find the volume of water in the container.","answers":["243 cm³","729cm³","2187cm³","6561cm³"],"correct_index":3,"solution":null,"hints":[]},{"id":5014,"type":1,"question":"A rectangular tank 60 cm long, 40 cm wide and 25 cm high is 60% filled with water. How much more water can be added before it is full?","answers":["24 l","25 l","36 l","60 l"],"correct_index":0,"solution":null,"hints":[]},{"id":5017,"type":2,"question":"Water from a tap is filling an empty tank at 4.25 litres a minute. How much water is there in the tank after 9 minutes? $$l$$ ml","answers":["38","250",null,null],"correct_index":38,"solution":null,"hints":[]},{"id":5018,"type":2,"question":"Water is being pumped out of a tank at 750 ml a minute. How much water is pumped out after 8 minutes? Give your answer in litres. l","answers":["6",null,null,null],"correct_index":6,"solution":null,"hints":[]},{"id":5019,"type":2,"question":"A cubical tank of edge 10 cm was half filled with water. Some additional water is poured into the tank until it is $$\\dfrac{30}{1}$$ full. How much water was added into the tank?(1 ml = 1 cm³) ml","answers":["300",null,null,null],"correct_index":300,"solution":null,"hints":[]},{"id":5020,"type":2,"question":"A rectangular tank has a length of 18 cm and a width of 13 cm. Its height is 15 cm. It is filled with water to the brim. Thereafter, some of the water is transferred into a new cubical tank of edge 8 cm till the cubical tank is completely full. (1 $$l$$ = 1000 cm³ $$cm^3$$ of water is left in the original rectangular tank","answers":["2998",null,null,null],"correct_index":2998,"solution":null,"hints":[]},{"id":5021,"type":2,"question":"A cubical tank of edge 16 cm is filled with water up to $$\\dfrac{1}{4}$$ of its height. Subsequently, an open tap runs water into the tank at 1 litre a minute.(1 $$l$$ = 1000 cm³ $$l$$ $$ml$$ of water is in the tank after 2 minutes","answers":["4","560",null,null],"correct_index":4,"solution":null,"hints":[]},{"id":5022,"type":2,"question":"A cubical tank of edge 21 cm is filled with water up to $$\\dfrac{1}{3}$$ of its height. Water from a tap is then piped into the tank at 1.5 litres a minute. (1 $$l$$ = 1000 cm³) $$l$$ $$ml$$ of water is in the tank after 3 minutes.","answers":["7","587",null,null],"correct_index":7,"solution":null,"hints":[]},{"id":5023,"type":2,"question":"A cubical tank of edge 18 cm is initially filled with water up to $$\\dfrac{1}{9}$$ of its height. Additional water is then poured into it until the water is up to $$\\dfrac{1}{9}$$ of its height. (1 $$l$$ = 1000 cm³ $$l$$ $$ml$$ additional water is poured into the tank.","answers":["2","673",null,null],"correct_index":2,"solution":null,"hints":[]},{"id":5024,"type":2,"question":"A cubical tank has an edge of 24 cm. The ratio of the volume of water in the tank to the capacity of the tank is 3 : 8. The volume of water is $$ml$$.","answers":["5184",null,null,null],"correct_index":5184,"solution":null,"hints":[]},{"id":5025,"type":2,"question":"A rectangular fish tank is 92% filled with water. The ratio of the volume of water to the capacity of the tank is : Express your answer in the lowest terms.","answers":["23","25",null,null],"correct_index":23,"solution":null,"hints":[]},{"id":5026,"type":2,"question":"A rectangular fish tank is 90% filled with water. If there is 5400 cm³ of water in the tank, the capacity of the tank is $$cm^3$$","answers":["6000",null,null,null],"correct_index":6000,"solution":null,"hints":[]},{"id":5027,"type":2,"question":"A rectangular tank measures 55 cm by 40 cm by 36 cm. It is filled with water up to $$\\dfrac{4}{5}$$ of its height. Then, some of the water is poured into a smaller cubical tank of edge 20 cm to fill it to its brim. The volume of water left in the rectangular tank(1 $$l$$ = 1000 cm³ is $$l$$ ml","answers":["44","800",null,null],"correct_index":44,"solution":null,"hints":[]},{"id":5028,"type":2,"question":"A rectangular fish tank is 80% filled with water. The ratio of the volume of water in the tank to the volume of water that can still be added before the tank becomes full is : ","answers":["4","1",null,null],"correct_index":4,"solution":null,"hints":[]},{"id":5029,"type":2,"question":"A rectangular fish tank is 92% filled with water. If the capacity of the tank is 5000 cm³ , $$cm^3$$ more water can still be added to the tank before it becomes full.","answers":["400",null,null,null],"correct_index":40,"solution":null,"hints":[]},{"id":5031,"type":1,"question":"A cubical container of edge 20 cm is filled with water to the brim. Then, some of the water is discharged from an outlet at the bottom of the tank at 1.2 litres a minute. What fraction of the water is left after 5 minutes?","answers":["$$\\frac{1}{3}$$","$$\\frac{1}{4}$$","$$\\frac{1}{5}$$","$$\\frac{1}{6}$$"],"correct_index":1,"solution":null,"hints":[]},{"id":5032,"type":2,"question":"A rectangular tank 65 cm long, 50 cm wide and 32 cm high is filled with petrol to the brim. Some of the petrol is used. 26 $$l$$ of petrol are left. The ratio of the volume of petrol used to the volume of petrol left is : ","answers":["3","1",null,null],"correct_index":3,"solution":null,"hints":[]},{"id":5033,"type":2,"question":"A cubical tank of edge 40 cm is filled with water to the brim. Water is being pumped out at 4 litres a minute. The percentage of water that is left after 4 minutes is%.","answers":["75",null,null,null],"correct_index":75,"solution":null,"hints":[]},{"id":5034,"type":2,"question":"A cubical tank of edge 50 cm is filled with water to the brim. Water is pumped out at 15 litres a minute.It takes minutes seconds to pump out all the water.","answers":["8","20",null,null],"correct_index":8,"solution":null,"hints":[]},{"id":5035,"type":2,"question":"A rectangular tank with a square base of side 60 cm and a height of 40 cm is half filled with water. Additional water is being added into the tank at 6 litres a minute. It takes minutes to fill the tank completely.","answers":["12",null,null,null],"correct_index":12,"solution":null,"hints":[]},{"id":5039,"type":1,"question":"State the algebraic Expression for the following in the space provided. Add 4 to $$y$$: ________","answers":["$$4 + y$$","$$4y$$","$$y + 4y$$","None of the above"],"correct_index":0,"solution":null,"hints":[]},{"id":5040,"type":1,"question":"State the algebraic Expression for the following in the space provided. 6 more than $$y$$: _______","answers":["$$y - 2$$","$$y + 6$$","$$6y$$","None of the above"],"correct_index":1,"solution":null,"hints":[]},{"id":5041,"type":1,"question":"State the algebraic Expression for the following in the space provided. $$ x $$ less than 2: _________","answers":["$$2 - x $$","$$ x - 2$$","$$ x + 2$$","None of the above"],"correct_index":0,"solution":null,"hints":[]},{"id":5042,"type":1,"question":"State the algebraic Expression for the following in the space provided. Subtract 1 from $$z$$: ________________","answers":["$$1 - z$$","$$z - 1$$","All of the above","None of the above"],"correct_index":1,"solution":null,"hints":[]},{"id":5043,"type":1,"question":"State the algebraic Expression for the following in the space provided. 5 less than y: ______________","answers":["$$y - 5$$","$$5 + y$$","All of the above","None of the above"],"correct_index":0,"solution":null,"hints":[]},{"id":5044,"type":1,"question":"State the algebraic Expression for the following in the space provided. z more than 3 : ______________","answers":["$$z + 3$$","$$3z$$","All of the above","None of the above"],"correct_index":0,"solution":null,"hints":[]},{"id":5045,"type":2,"question":"Find the value of $$ x - 2$$ when $$ x = 11$$. ","answers":["9",null,null,null],"correct_index":9,"solution":null,"hints":[]},{"id":5046,"type":2,"question":"Find the value of $$y + 8$$ when $$y = 26$$. ","answers":["34",null,null,null],"correct_index":34,"solution":null,"hints":[]},{"id":5047,"type":2,"question":"Find the value of $$17 - z$$ when $$z = 9$$. ","answers":["8",null,null,null],"correct_index":8,"solution":null,"hints":[]},{"id":5048,"type":2,"question":"Find the value of $$61 + x $$ when $$ x = 39$$. ","answers":["100",null,null,null],"correct_index":100,"solution":null,"hints":[]},{"id":5049,"type":2,"question":"$$y$$ = 13. $$y + 17$$ = ","answers":["30",null,null,null],"correct_index":30,"solution":null,"hints":[]},{"id":5050,"type":2,"question":"$$y$$ = 13. $$y-9$$ = ","answers":["4",null,null,null],"correct_index":4,"solution":null,"hints":[]},{"id":5051,"type":2,"question":"$$y$$ = 13. $$28 + y$$ = ","answers":["41",null,null,null],"correct_index":41,"solution":null,"hints":[]},{"id":5052,"type":2,"question":"$$y$$ = 13. $$52 - y$$ = ","answers":["39",null,null,null],"correct_index":39,"solution":null,"hints":[]},{"id":5053,"type":2,"question":"$$y$$ = 40. $$y + 17$$ = ","answers":["57",null,null,null],"correct_index":57,"solution":null,"hints":[]},{"id":5054,"type":2,"question":"$$y$$ = 40. $$y-9$$ = ","answers":["31",null,null,null],"correct_index":31,"solution":null,"hints":[]},{"id":5055,"type":2,"question":"$$y$$ = 40. $$28 + y$$ = ","answers":["68",null,null,null],"correct_index":68,"solution":null,"hints":[]},{"id":5056,"type":2,"question":"$$y$$ = 40. $$52 - y$$ = ","answers":["12",null,null,null],"correct_index":12,"solution":null,"hints":[]},{"id":5057,"type":1,"question":"Divide $$y$$ by 6: ___________","answers":["$$\\frac{y}{6}$$",null,"$$\\frac{6}{y}$$",null],"correct_index":0,"solution":null,"hints":[]},{"id":5058,"type":1,"question":"One - third of $$z$$: ___________","answers":["$$3z$$",null,"$$\\frac{z}{3}$$",null],"correct_index":2,"solution":null,"hints":[]},{"id":5059,"type":1,"question":"Multiply 13 by $$y$$: __________","answers":["$$13y$$",null,"$$\\frac{13}{y}$$",null],"correct_index":0,"solution":null,"hints":[]},{"id":5060,"type":1,"question":"Divide $$z$$ by 20: ________","answers":["$$\\frac{z}{20}$$",null,"$$20z$$",null],"correct_index":0,"solution":null,"hints":[]},{"id":5061,"type":1,"question":"Half of $$ x $$: ________","answers":["$$\\frac{2}{ x }$$",null,"$$\\frac{ x }{2}$$",null],"correct_index":2,"solution":null,"hints":[]},{"id":5062,"type":1,"question":"Multiply $$z$$ by 9: ________","answers":["$$9z$$",null,"$$\\frac{z}{9}$$",null],"correct_index":0,"solution":null,"hints":[]},{"id":5063,"type":2,"question":"Work out the following when z = 4. $$\\frac{z}{4}$$ = ","answers":["1",null,null,null],"correct_index":1,"solution":null,"hints":[]},{"id":5064,"type":2,"question":"Work out the following when z = 4. $$2z$$ = ","answers":["8",null,null,null],"correct_index":8,"solution":null,"hints":[]},{"id":5065,"type":2,"question":"Work out the following when z = 4. $$z$$ x 10 = ","answers":["40",null,null,null],"correct_index":40,"solution":null,"hints":[]},{"id":5066,"type":2,"question":"Work out the following when z = 4. $$z$$ ÷ 2 = ","answers":["2",null,null,null],"correct_index":2,"solution":null,"hints":[]},{"id":5067,"type":2,"question":"Work out the following when z = 32. $$\\frac{z}{4}$$ = ","answers":["8",null,null,null],"correct_index":8,"solution":null,"hints":[]},{"id":5068,"type":2,"question":"Work out the following when z = 32. $$2z$$ = ","answers":["64",null,null,null],"correct_index":64,"solution":null,"hints":[]},{"id":5069,"type":2,"question":"Work out the following when z = 32. $$z$$ x 10 = ","answers":["320",null,null,null],"correct_index":320,"solution":null,"hints":[]},{"id":5070,"type":2,"question":"Work out the following when z = 32. $$z$$ ÷ 2 = ","answers":["16",null,null,null],"correct_index":16,"solution":null,"hints":[]},{"id":5071,"type":2,"question":"a = 100; $$(160-a) + 5$$ = ","answers":["65",null,null,null],"correct_index":65,"solution":null,"hints":[]},{"id":5072,"type":2,"question":"a = 85; $$305 - 2a$$ = ","answers":["135",null,null,null],"correct_index":135,"solution":null,"hints":[]},{"id":5073,"type":2,"question":"a = 110; $$\\frac{a}{2} - 49$$ = ","answers":["6",null,null,null],"correct_index":6,"solution":null,"hints":[]},{"id":5074,"type":2,"question":"a = 70; $$\\frac{80 + a}{30}$$ = ","answers":["5",null,null,null],"correct_index":5,"solution":null,"hints":[]},{"id":5075,"type":1,"question":"There are $$m$$ sweets in a bag. If all the sweets are shared equally among 5 children, how many sweets does each child get?","answers":["$$m - 5$$","$$\\frac{5}{m}$$","$$\\frac{m}{5}$$","$$5 - m$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5076,"type":1,"question":"There are $$n$$ apples in each box. How many apples are there in 10 boxes? Give your answer in terms of n.","answers":["$$\\frac{n}{10}$$","$$n - 10$$","$$10 - n$$","$$10n$$"],"correct_index":3,"solution":null,"hints":[]},{"id":5077,"type":1,"question":"Ms Tan is now $$p$$ years old. Express the following in terms of p. How old was she last year?","answers":["$$\\frac{2}{8}$$","$$\\frac{8}{2}$$","$$p - 1$$","$$p$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5078,"type":1,"question":"Ms Tan is now $$p$$ years old. Express the following in terms of p. How old will she be in 3 years?","answers":["$$p + 3$$","$$3 - p$$","$$3p$$","$$2 + p$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5079,"type":1,"question":"Mdm Lisa is $$q$$ years old. Her brother is 9 years older than her. Her father is twice as old as her. Her daughter is a quarter of her age. Express the following in terms of q. How old is her brother?","answers":["$$q + 4$$","$$q + 9$$","$$q + 2$$","$$q + \\frac{1}{4}$$"],"correct_index":1,"solution":null,"hints":[]},{"id":5080,"type":1,"question":"Mdm Lisa is $$q$$ years old. Her brother is 9 years older than her. Her father is twice as old as her. Her daughter is a quarter of her age. Express the following in terms of q. How old is her father?","answers":["$$q$$","$$4q$$","$$2q$$","$$\\frac{1}{4}q$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5081,"type":1,"question":"Mdm Lisa is $$q$$ years old. Her brother is 9 years older than her. Her father is twice as old as her. Her daughter is a quarter of her age. Express the following in terms of q. How old is her daughter?","answers":["$$\\frac{q}{4}$$","$$\\frac{4}{q}$$","$$q + 4$$","$$q - 4$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5082,"type":1,"question":"Simplify the following. $$ x + x + 3 x $$ = __________","answers":["$$2 + 3 x $$","$$2x + 3$$","$$5 x $$","5"],"correct_index":2,"solution":null,"hints":[]},{"id":5083,"type":1,"question":"Simplify the following.$$4y + 9y$$ = __________ ","answers":["$$13y$$","$$y + 13$$","$$13 + y$$","$$13y + 1$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5084,"type":1,"question":"Simplify the following. $$2z + z + 7$$ = __________","answers":["$$9 + z$$","$$3z + 7$$","$$10z$$","$$7 + 32z$$"],"correct_index":1,"solution":null,"hints":[]},{"id":5085,"type":1,"question":"Simplify the following. $$7w - 2w$$ = __________","answers":["$$5w$$","$$5w + 1$$","$$\\frac{7}{2}w$$","$$5u$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5086,"type":1,"question":"Simplify the following expression. $$11u - u - 5u$$ = __________","answers":["$$u - 5$$","$$6u$$","$$5u$$","$$6u - 1$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5087,"type":1,"question":"Simplify the following expression. $$14s - s$$ = __________","answers":["$$s - 14$$","$$12s$$","$$13s$$","$$14 - s$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5088,"type":1,"question":"Simplify the following. $$a + 4 + 2a + 1$$ = __________","answers":["$$3 + 3a$$","$$2a + 4$$","$$3a + 5$$","$$4a + 4$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5089,"type":1,"question":"Simplify the following expression. $$2b - b + 9b$$ = __________","answers":["$$b + 10$$","$$11b$$","$$10b$$","$$13b$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5090,"type":1,"question":"Simplify the following expression. $$3c + 7 + 6c$$ = __________","answers":["$$7c + 9$$","$$8c + 7$$","$$9c + 7$$","$$9c + 6$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5091,"type":1,"question":"Simplify the following expression. $$9d + 8 - 5d - 3$$ = __________","answers":["$$4d + 5$$","$$4d - 5$$","$$5 - 4d$$","$$\\frac{9}{5}d$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5092,"type":1,"question":"Simplify the following expression. $$4e + 1 + 2e + 8$$ = __________","answers":["$$6e + 9$$","$$\\frac{12}{2}e$$","$$7e + 1$$","$$7e + 9$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5093,"type":1,"question":"Simplify the following expression. $$7f + 6 - 5$$ = __________","answers":["$$7f + 1$$","$$7f + 11$$","$$7f - 1$$","$$8f - 11$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5094,"type":1,"question":"Jenny has $$$b$$. She has \\(\\$5\\) more than Bridget. Write down the amount of money that Bridget has in terms of b.","answers":["$$5 + b$$","$$\\frac{5}{b}$$","$$\\frac{b}{5}$$","$$b - 5$$"],"correct_index":3,"solution":null,"hints":[]},{"id":5095,"type":1,"question":"There are $$ x $$ boys in a class. The number of girls is 2 more than the number of boys. Find the number of girls in terms of $$x$$ .","answers":["$$\\frac{ x }{2}$$","$$\\frac{2}{ x }$$","$$2 + x $$","$$2 - x $$"],"correct_index":2,"solution":null,"hints":[]},{"id":5096,"type":1,"question":"Peter and Sam have 45 cards altogether. Peter has $$z$$ cards. Find the number of cards that Sam has in terms of $$z$$.","answers":["$$45 + z$$","$$45 - z$$","$$\\frac{45}{z}$$","$$\\frac{z}{45}$$"],"correct_index":1,"solution":null,"hints":[]},{"id":5097,"type":1,"question":"Nancy has w dollars. Her father gives her another 30. \n\nFind the amount of money Nancy has now in terms of w.","answers":["$$w + 30$$","$$30 - w$$","$$w - 30$$","$$30w$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5098,"type":1,"question":"There are $$y$$ people on a bus. Among them, 12 are children. Write down the number of adults on the bus in terms of $$y$$.","answers":["$$y + 10$$","$$12 - y$$","$$12y$$","$$y - 12$$"],"correct_index":3,"solution":null,"hints":[]},{"id":5099,"type":1,"question":"There are $$m$$ books on the table and 19 of them are fiction books. The rest are non - fiction books. Find the number of non - fiction books in terms of $$m$$.","answers":["$$\\frac{m}{19}$$","$$19m$$","$$m - 19$$","$$19 - m$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5100,"type":1,"question":"Lee Lee has \\(\\$90\\). She spends $n on food. \n\nFind the amount of money she has left in terms of n.","answers":["$$n - 90$$","$$90 - n$$","$$90 + n$$","$$n + 90$$"],"correct_index":1,"solution":null,"hints":[]},{"id":5102,"type":1,"question":"Ken has $$\\$ x $$. He has \\(\\$3\\) less than Peter. Write down the amount of money that Peter has in terms of $$x$$ .","answers":["$$ - x + 3$$","$$2 x + 3$$","$$ x + 3$$","$$\\frac{x}{3}$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5103,"type":1,"question":"Ken has $$\\$ x $$. He has \\(\\$3\\) less than Peter. What is the amount of money that the two boys have altogether in terms of $$x$$ ?","answers":["$$2 x + 3$$","$$2 x $$","$$\\frac{ x + 3}{2}$$","$$2 x + 6$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5104,"type":1,"question":"The length of a rectangle is $$z$$ cm. The breadth is 5 cm shorter than the length. Find the breadth in terms of $$z$$.","answers":["$$\\frac{z - 5}{2}$$","$$z - 5$$","$$\\frac{z}{2} - 5$$","$$5 - z$$"],"correct_index":1,"solution":null,"hints":[]},{"id":5105,"type":1,"question":"The length of a rectangle is $$z$$ cm. The breadth is 5 cm shorter than the length. Find the perimeter of the rectangle in terms of $$z$$.","answers":["$$z - 5$$","$$z + 5$$","$$2z - 5$$","$$4z - 10$$"],"correct_index":3,"solution":null,"hints":[]},{"id":5106,"type":1,"question":"In a room, there were $$k$$ boys and 4 times as many girls as boys. Find the number of girls in terms of $$k$$.","answers":["$$k$$","$$2k$$","$$3k$$","$$4k$$"],"correct_index":3,"solution":null,"hints":[]},{"id":5107,"type":1,"question":"In a room, there were $$k$$ boys and 4 times as many girls as boys. Find the total number of children in terms of $$k$$.","answers":["$$5k$$","$$6k - 4$$","$$2k - 3$$","$$3k - 2$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5108,"type":1,"question":"In a car park, there were $$s$$ buses. There were thrice as many cars as buses. Find the total number of cars and buses in terms of $$s$$.","answers":["$$4s$$","$$2s$$","$$6s$$","$$5s$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5109,"type":1,"question":"Paul is $$v$$ years old. His sister is 4 years older than him. Find his sister's age in terms of $$v$$.","answers":["$$v + 4$$","$$v + 8$$","$$v - 4$$","$$v - 8$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5110,"type":2,"question":"Paul is $$v$$ years old. His sister is 4 years older than him. If $$v$$ = 9, his sister is years old.","answers":["13",null,null,null],"correct_index":13,"solution":null,"hints":[]},{"id":5111,"type":1,"question":"Kim has m tennis balls. Henry has twice as many tennis balls as Kim. Find the number of tennis balls that Henry has in terms of m.","answers":["$$\\frac{m - 2}{m}$$","$$2m$$","$$m - 2$$","$$\\frac{m}{2}$$"],"correct_index":1,"solution":null,"hints":[]},{"id":5112,"type":1,"question":"Kim has $$m$$ tennis balls. Henry has twice as many tennis balls as Kim. Kim buys 5 more tennis balls. What is the total number of tennis balls that the two children have in terms of $$m$$?","answers":["$$\\frac{m}{2}$$","$$3m - 15$$","$$3m + 5$$","$$\\frac{m - 5}{2}$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5113,"type":1,"question":"A baker made $$q$$ pies. He packed them equally into 20 boxes. How many pies were there in each box?","answers":["$$\\frac{2q}{10}$$","$$\\frac{q}{20}$$","$$\\frac{5}{q}$$","$$\\frac{4q}{5}$$"],"correct_index":1,"solution":null,"hints":[]},{"id":5114,"type":1,"question":"Mr Tan had $$y$$ cakes. He sold 8 cakes and gave half of the remaining cakes to his friends. Find the number of cakes he had left in terms of $$y$$.","answers":["$$y - 8$$","$$\\frac{y - 8}{4}$$","$$\\frac{y - 8}{2}$$","$$y - 4$"],"correct_index":2,"solution":null,"hints":[]},{"id":5115,"type":1,"question":"Mdm Rashidah bought a dress for $$\\$n$$ and a bag which was \\(\\$10\\) cheaper than the dress. Find the total amount of money that Mdm Rashidah spent on the two items in terms of $$n$$.","answers":["$$2n - 10$$","$$5 - n$$","$$n - 5$$","$$10 - 2$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5116,"type":1,"question":"A book and a pen cost a total of $$\\$ x $$. The book cost 6 times as much as the pen. Find the cost of the pen in terms of $$x$$ .","answers":["$$\\frac{5}{ x }$$","$$\\frac{ x }{5}$$","$$\\frac{ x }{6}$$","$$\\frac{ x }{7}$$"],"correct_index":3,"solution":null,"hints":[]},{"id":5117,"type":1,"question":"Find the value of $$4t + 10 + t - 7$$ when $$t$$ = 5.","answers":["7","17","23","28"],"correct_index":3,"solution":null,"hints":[]},{"id":5118,"type":1,"question":"Simplify $$6 + 7 x - 4 - 5 x $$","answers":["$$2 + 12 x $$","$$2 + 2 x $$","$$10 + 12 x $$","$$10 + 2 x $$"],"correct_index":1,"solution":null,"hints":[]},{"id":5119,"type":1,"question":"The breadth of a rectangle is $$r$$ cm. Its length is 2 cm longer than its breadth. Find its perimeter in terms of $$r$$.","answers":["$$2r + 2$$ cm","$$2r + 4$$ cm","$$4r + 2$$ cm","$$4r + 4$$ cm"],"correct_index":3,"solution":null,"hints":[]},{"id":5120,"type":1,"question":"Germaine is z years old. Her sister is 2 years older than her. Find their total age in terms of z.","answers":["$$z + 2$$ years","$$2z + 3$$ years","$$2z + 2$$ years","$$3z$$ years"],"correct_index":2,"solution":null,"hints":[]},{"id":5123,"type":1,"question":"The average of 5 numbers is $$h$$. What is the sum of the 5 numbers?","answers":["$$h + 5$$","$$h - 5$$","$$5h$$","$$\\frac{h}{5}$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5125,"type":1,"question":"In a hall, there were $$t$$ girls and thrice as many boys. Find, in terms of $$t$$, the number of children in the hall.","answers":["$$2t$$","$$3t$$","$$4t$$","$$5t$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5126,"type":1,"question":"On a bus, there were $$s$$ children. There were 10 more adults than children. Find the number of passengers on the bus in terms of $$s$$.","answers":["$$s + 10$$","$$2s + 10$$","$$s + 20$$","$$2s + 20$$"],"correct_index":1,"solution":null,"hints":[]},{"id":5127,"type":1,"question":"Mr Tan has $$m$$ sweets. He eats 2 sweets and then gives the rest equally to his three children. Find the number of sweets each child gets in terms of $$m$$.","answers":["$$\\frac{m - 2}{3}$$","$$\\frac{3 - 2}{m}$$","$$\\frac{2 - 3}{m}$$","$$\\frac{m - 3}{2}$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5128,"type":1,"question":"Lai Hong scored $$b$$ marks in a test. She scored twice as many marks as Samantha. Jennifer scored 3 marks less than Samantha. Find the marks that Jennifer scored in terms of $$b$$.","answers":["$$\\frac{b}{2} - 3$$","$$\\frac{b - 3}{2}$$","$$\\frac{3 - b}{2}$$","$$\\frac{3}{2} - b$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5129,"type":1,"question":"The ratio of the length to the breadth of a rectangle is 5 : 3. If the length is $$5y$$ cm, what is the breadth in terms of $$y$$?","answers":["$$3y$$","$$\\frac{3}{5}y$$","$$\\frac{5}{3}y$$","$$\\frac{5y}{3}$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5130,"type":1,"question":"The perimeter of a square is $$z$$ cm. Find the length of the square in term of $$z$$.","answers":["$$\\frac{z}{2}$$","$$\\frac{z}{4}$$","$$\\frac{z}{3}$$","$$4z$$"],"correct_index":1,"solution":null,"hints":[]},{"id":5131,"type":1,"question":"Ms Soh has 19 candies. She keeps $$n$$ candies and gives the rest equally to 5 pupils. Find the number of candies each pupil gets in terms of $$n$$.","answers":["$$\\frac{14}{n}$$","$$\\frac{19 - n}{5}$$","$$\\frac{n - 19}{5}$$","$$\\frac{n - 5}{19}$$"],"correct_index":1,"solution":null,"hints":[]},{"id":5132,"type":1,"question":"Patricia was $$p$$ years old 3 years ago. Find Patricia's age this year in terms of $$p$$.","answers":["$$p + 3$$","$$p + 2$$","$$p - 2$$","$$p - 3$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5133,"type":1,"question":"Patricia was $$p$$ years old 3 years ago. Patricia's sister is 2 years younger than her. Find her sister's age this year.","answers":["$$p - 1$$","$$p + 1$$","$$p + 3$$","$$p + 2$$"],"correct_index":1,"solution":null,"hints":[]},{"id":5134,"type":1,"question":"3 years ago, Pauline was $$p$$ years old. Her mum is 26 years older than her.What's her mum's age now?","answers":["$$p + 26$$","$$26p $$","$$p + 29$$","$$26 + p$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5135,"type":1,"question":"Find the average of 2, x , 6 and 13 in terms of $$x$$ .","answers":["$$\\frac{ x - 21}{4}$$","$$\\frac{ x + 13}{3}$$","$$\\frac{ x + 21}{4}$$","$$\\frac{ x + 19}{4}$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5136,"type":1,"question":"Nick is $$r$$ years old this year. His mother is twice as old as him. His father is 3 years older than his mother. Find his father's age this year.","answers":["$$r + 6$$","$$2r + 6$$","$$2r + 3$$","$$r + 3$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5137,"type":1,"question":"Nick is $$r$$ years old this year. His mother is twice as old as him. His father is 3 years older than his mother. Find his mother's age last year.","answers":["$$r + 1$$","$$\\frac{r}{2}$$","$$\\frac{r - 1}{2}$$","$$2r - 1$$"],"correct_index":3,"solution":null,"hints":[]},{"id":5138,"type":1,"question":"There are $$ x $$ apples in a basket. There are twice as many oranges as apples.There are 4 times as many pears as oranges. Find the number of pears in terms of $$x$$ .","answers":["$$4 x - 2$$","$$2 x - 1$$","$$8 x $$","$$6 x $$"],"correct_index":2,"solution":null,"hints":[]},{"id":5139,"type":1,"question":"At a concert, there were $$z$$ boys. There were three times as many adults as boys. There were 23 more girls than boys. Find the number of girls in terms of $$z$$.","answers":["$$23$$","$$z$$","$$z - 23$$","$$z + 23$$"],"correct_index":3,"solution":null,"hints":[]},{"id":5140,"type":1,"question":"At a concert, there were $$z$$ boys. There were three times as many adults as boys. There were 23 more girls than boys. Find the total number of people in terms of $$z$$.","answers":["$$3z + 23$$","$$4z + 23$$","$$5 + (z + 23)$$","$$5z + 23$$"],"correct_index":3,"solution":null,"hints":[]},{"id":5141,"type":1,"question":"The average of 3 numbers is $$ x $$. What is the sum of the other two numbers if one of the numbers is 8?","answers":["$$3 x - 4$$","$$ x - 4$$","$$ x - 2$$","$$3 x - 8$$"],"correct_index":3,"solution":null,"hints":[]},{"id":5142,"type":1,"question":"The length of a cuboid is $$n$$ cm. The breadth of the cuboid is 8 cm and the height of the cuboid is 10 cm. Find the volume of the cuboid in terms of $$n$$.","answers":["60 n $cm^3$","90 n $cm^3$","80 n $cm^3$","100 n $cm^3$"],"correct_index":2,"solution":null,"hints":[]},{"id":5143,"type":1,"question":"Charles had $$\\$s$$. His parents gave him another $$\\$2s$$. Later, he used \\(\\$10\\) to buy a book. Find the amount of money he had left in terms of $$\\$s$$.","answers":["$$2s - 5$$","$$3s - 10$$","$$3s - 3$$","$$3s - 5$$"],"correct_index":1,"solution":null,"hints":[]},{"id":5144,"type":2,"question":"George had $$\\$s$$. His parents gave him another $$\\$2s$$. He used \\(\\$10\\) to buy a book. If s = 25, how much money did he have left? ","answers":["65",null,null,null],"correct_index":65,"solution":null,"hints":[]},{"id":5145,"type":1,"question":"Owen is $$ x $$ years older than Quincy. Owen is 12 years old this year. Find Quincy's age this year in terms of $$x$$.","answers":["$$4 x - x $$","$$12 - x $$","$$3 x $$","$$12 x $$"],"correct_index":1,"solution":null,"hints":[]},{"id":5146,"type":2,"question":"Wayne is $$ x $$ years older than Trent. Wayne is 12 years old this year. If $$x$$ = 4, how old was Trent five years ago? ","answers":["3",null,null,null],"correct_index":3,"solution":null,"hints":[]},{"id":5147,"type":1,"question":"There are 19 girls and $$y$$ boys in a class. Each boy made 3 paper cranes and each girl made 5 paper cranes. Find the total number of paper cranes that all the pupils made in terms of $$y$$.","answers":["$$95 + 3y$$","$$19 + y$$","$$3y + 19$$","$$3y + 57$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5148,"type":2,"question":"There are 19 girls and $$y$$ boys in a class. Each boy made 3 paper cranes and each girl made 5 paper cranes. If $$y$$ = 13, how many paper cranes do all the pupils make? ","answers":["134",null,null,null],"correct_index":134,"solution":null,"hints":[]},{"id":5149,"type":1,"question":"Susan scored 90 marks for a test. Brendon scored $$q$$ marks less than Susan. Brendon scored 2 marks more than Gary. Find the marks that Brendon scored in terms of $$q$$.","answers":["$$90 - q$$","$$88 - q$$","$$89 - q$$","$$87 - q$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5150,"type":1,"question":"Susan scored 90 marks for a test. Brendon scored $$q$$ marks less than Susan. Brendon scored 2 marks more than Gary. Find the marks that Gary scored in terms of $$q$$.","answers":["$$88 - q$$","$$90 - q$$","$$q - 88$$","$$92 - q$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5151,"type":2,"question":"Susan scored 90 marks for a test. Brendon scored $$q$$ marks less than Susan. Brendon scored 2 marks more than Gary. If $$q$$ = 12, find Gary's score. ","answers":["76",null,null,null],"correct_index":76,"solution":null,"hints":[]},{"id":5152,"type":1,"question":"Molly bought a dress for 25 dollars. She also bought a skirt that was t dollars cheaper than the dress. Find the cost of the skirt in terms of t.","answers":["$$25 - t$$","$$25 + t$$","$$50 + t$$","$$50 - t$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5153,"type":1,"question":"Molly bought a dress for \\(\\$25\\). \nShe also bought a skirt that was $n cheaper than the dress. Find the total cost of the two items in terms of $t.","answers":["$$2t - 50$$","$$50 - 2t$$","$$50 - t$$","$$25 - 2t$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5154,"type":2,"question":"Molly bought a dress for \\(\\$25\\). She also bought a skirt that was $t cheaper than the dress. She gave the cashier \\(\\$100\\). If t = 5, how much change did she receive?","answers":["55",null,null,null],"correct_index":55,"solution":null,"hints":[]},{"id":5155,"type":1,"question":"The total mass of Kris and Kevin is $$ x $$ kg. Kevin is three times as heavy as Kris. Find the mass of Kris in terms of $$x$$ .","answers":["$$ x $$","$$\\frac{ x }{3}$$","$$\\frac{ x }{4}$$","$$\\frac{ x }{2}$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5156,"type":2,"question":"The total mass of Kris and Kevin is $$ x $$ kg. Kevin is three times as heavy as Kris. If $$x$$ = 84, find Kevin's mass? ","answers":["63",null,null,null],"correct_index":63,"solution":null,"hints":[]},{"id":5158,"type":2,"question":"Mr Cheong had $r. He gave the money equally to this 3 children, Calvin, Catherine and Candice. Catherine saved \\(\\$250\\) of the money and spent the rest of it. If r = 900, find the amount of money that Catherine spent.","answers":["50",null,null,null],"correct_index":50,"solution":null,"hints":[]},{"id":5159,"type":1,"question":"In a hall, there were $$w$$ men and twice as many women as men. The number of men was 45 more than the number of children. Find the number of children in the hall in terms of $$w$$.","answers":["$$w - 40$$","$$w - 76$$","$$w - 45$$","$$w - 40$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5160,"type":1,"question":"In a hall, there were $$w$$ men and twice as many women as men. The number of men was 45 more than the number of children. Find the number of people in the hall in terms of $$w$$.","answers":["$$3w - 15$$","$$4w - 45$$","$$4w$$","$$3w - 45$$"],"correct_index":1,"solution":null,"hints":[]},{"id":5161,"type":2,"question":"In a hall, there were $$w$$ men and twice as many women as men. The number of men was 45 more than the number of children. If $$w$$= 76, how many people were there in the hall? ","answers":["259",null,null,null],"correct_index":259,"solution":null,"hints":[]},{"id":5227,"type":2,"question":"\\(\\dfrac{1}{6}\\) + \\(\\dfrac{2}{9}\\) = \\(\\dfrac{A}{B}\\) A: B :","answers":["7","18",null,null],"correct_index":7,"solution":null,"hints":[]},{"id":5228,"type":2,"question":"$$\\frac{7}{8} + \\frac{5}{12}$$ = A$$\\frac{C}{C}$$ A: B:C:","answers":["1","7","24",null],"correct_index":1,"solution":null,"hints":[]},{"id":5230,"type":2,"question":"$$2\\frac{4}{5} - 1\\frac{3}{10}$$ = A$$\\frac{C}{C}$$ A: B:C:","answers":["1","1","2",null],"correct_index":3,"solution":null,"hints":[]},{"id":5231,"type":2,"question":"$$\\frac{3}{4}$$ x $$\\frac{4}{9}$$ = $$\\frac{A}{B}$$ A: B:","answers":["1","3",null,null],"correct_index":1,"solution":null,"hints":[]},{"id":5232,"type":2,"question":"$$\\frac{2}{7}$$ x $$\\frac{21}{8}$$ = $$\\frac{A}{B}$$ A: B:","answers":["3","4",null,null],"correct_index":3,"solution":null,"hints":[]},{"id":5233,"type":2,"question":"$$2\\frac{1}{4}$$ x 3 = A$$\\frac{B}{C}$$ A: B:C:","answers":["6","3","4",null],"correct_index":6,"solution":null,"hints":[]},{"id":5234,"type":2,"question":"$$\\frac{5}{11}$$ ÷ $$ 10$$ = $$\\frac{A}{B}$$ A: B:","answers":["1","22",null,null],"correct_index":1,"solution":null,"hints":[]},{"id":5235,"type":2,"question":"1 ÷ $$\\frac{1}{10}$$ = ","answers":["10",null,null,null],"correct_index":10,"solution":null,"hints":[]},{"id":5236,"type":2,"question":"3 ÷ $$\\frac{3}{7}$$ = ","answers":["7",null,null,null],"correct_index":7,"solution":null,"hints":[]},{"id":5237,"type":2,"question":"$$2$$ ÷ $$\\frac{5}{8}$$ = A$$\\frac{B}{C}$$ A: B:C:","answers":["3","1","5",null],"correct_index":3,"solution":null,"hints":[]},{"id":5238,"type":2,"question":"$$2$$ ÷ $$\\frac{2}{5}$$ = ","answers":["5",null,null,null],"correct_index":10,"solution":null,"hints":[]},{"id":5239,"type":2,"question":"$$5$$ ÷ $$\\frac{7}{12}$$ = A$$\\frac{B}{C}$$ A: B:C:","answers":["8","4","7",null],"correct_index":8,"solution":null,"hints":[]},{"id":5240,"type":2,"question":"$$7$$ ÷ $$\\frac{2}{3}$$ = A$$\\frac{B}{C}$$ A: B:C:","answers":["10","1","2",null],"correct_index":10,"solution":null,"hints":[]},{"id":5241,"type":2,"question":"$$\\frac{1}{2}$$ ÷ $$\\frac{3}{4}$$ = $$\\frac{A}{B}$$ A: B:","answers":["2","3",null,null],"correct_index":2,"solution":null,"hints":[]},{"id":5242,"type":2,"question":"$$\\frac{2}{3}$$ ÷ $$\\frac{2}{5}$$ = A$$\\frac{B}{C}$$ A: B:C:","answers":["1","2","3",null],"correct_index":1,"solution":null,"hints":[]},{"id":5243,"type":2,"question":"$$\\frac{2}{14}$$ ÷ $$\\frac{6}{7}$$ = $$\\frac{A}{B}$$ A: B:","answers":["1","6",null,null],"correct_index":1,"solution":null,"hints":[]},{"id":5244,"type":2,"question":"$$\\frac{4}{15}$$ ÷ $$\\frac{1}{10}$$ = $$\\frac{A}{B}$$ A: B:","answers":["8","3",null,null],"correct_index":8,"solution":null,"hints":[]},{"id":5245,"type":2,"question":"$$\\frac{3}{4}$$ ÷ $$\\frac{1}{8}$$ = ","answers":["6",null,null,null],"correct_index":6,"solution":null,"hints":[]},{"id":5246,"type":2,"question":"$$\\frac{7}{10}$$ ÷ $$\\frac{5}{6}$$ = $$\\frac{A}{B}$$ A: B:","answers":["21","25",null,null],"correct_index":21,"solution":null,"hints":[]},{"id":5250,"type":2,"question":"Mrs Lee cuts a rectangular paper strip into a number of equal pieces. Each piece is $\\frac{1}{6}$ of the original paper strip. How many pieces does Mrs Lee cut the paper strip into?\n\n Answer : ","answers":["6",null,null,null],"correct_index":6,"solution":null,"hints":[]},{"id":5253,"type":2,"question":"The distance from Manly to Burwood is 7.8 km and from Manly to Chino is 8$$\\dfrac{1}{8}$$ km. How much further is Chino from Manly when compared with Burwood from Manly? Express your answer (in km) in the form: $$\\dfrac{13}{7}$$.\n\na = and b = ","answers":["13","40",null,null],"correct_index":13,"solution":null,"hints":[]},{"id":5254,"type":2,"question":"The mass of a book is $$1\\frac{1}{3}kg$$. Find the total mass of 6 such books. ","answers":["8",null,null,null],"correct_index":8,"solution":null,"hints":[]},{"id":5255,"type":2,"question":"There is 12 kg of rice in a bag. It is packed equally into a few bags. Each bag has $$\\frac{3}{4}kg$$ of rice. How many bags has the rice been packed into? ","answers":["16",null,null,null],"correct_index":16,"solution":null,"hints":[]},{"id":5258,"type":2,"question":"Find the average of 12 km, 11.8 km and 8$$\\dfrac{1}{2}$$ km. Express your answer in the form A$$\\dfrac{1}{2}$$ km where A = \nb = \nc = ","answers":["10","2","3",null],"correct_index":10,"solution":null,"hints":[]},{"id":5259,"type":2,"question":"A pipe of 6 m long is cut into some pieces. Each piece is 3/4 m long. How many pieces are there? Answer : ","answers":["8",null,null,null],"correct_index":6,"solution":null,"hints":[]},{"id":5264,"type":1,"question":"In a library, $\\frac{2}{5}$ of the books are English books. $\\frac{3}{4}$ of the English books are fiction books. The rest of the English books are non-fiction books. What fraction of the books are non-fiction English books?\n What fraction of the books are non-fiction English books?","answers":["$\\frac{1}{8}$","$\\frac{1}{10}$","$\\frac{3}{20}$","$\\frac{1}{5}$"],"correct_index":1,"solution":null,"hints":[]},{"id":5265,"type":1,"question":"Samuel bought some pies. $$\\frac{5}{12}$$ of them were chicken pies and $$\\frac{1}{3}$$ of them were mackerel pies. The rest were vegetable pies. What fraction of the pies were vegetable pies?","answers":["$$\\frac{2}{8}$$","$$\\frac{1}{4}$$","All of the above","None of the above"],"correct_index":1,"solution":null,"hints":[]},{"id":5269,"type":2,"question":"Andrew saved $$\\dfrac{5600}{1}$$ of his salary in a bank. He gave $$\\dfrac{5600}{1}$$ of the remainder to his wife and his parents. The ratio of the amount that his wife got to the amount that his parents got was 3 : 7. He spent the rest of the money. If he spent \\(\\$1400\\), how much was his salary? ","answers":["5600",null,null,null],"correct_index":5600,"solution":null,"hints":[]},{"id":5278,"type":2,"question":"A rectangle measures 8 cm by \\(\\$5\\)\\frac{1}{2}$ cm. $\\frac{3}{8}$ of the rectangle is shaded. \n\n Find the area of the unshaded part. Express your answer to 2 decimal places. Answer : cm²","answers":["27.50",null,null,null],"correct_index":28,"solution":null,"hints":[]},{"id":5300,"type":1,"question":"$$\\frac{3}{14}$$ x $$\\frac{2}{3}$$ is the same as which of the following ?","answers":["$$\\frac{5}{7}$$ x $$\\frac{1}{5}$$","$$\\frac{2}{5}$$ x $$\\frac{1}{5}$$","$$\\frac{2}{7}$$ x $$\\frac{7}{10}$$","$$\\frac{4}{9}$$ x $$\\frac{9}{14}$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5303,"type":1,"question":"$$\\frac{2}{9}$$ of Kerry's salary is \\(\\$800\\). How much IS Kerry's salary ?","answers":["$7,200","$3,600","$1,778","$1,600"],"correct_index":1,"solution":null,"hints":[]},{"id":5305,"type":1,"question":"x is the midpoint between $$\\frac{1}{6}$$ and $$\\frac{1}{4}$$. What is the value of x ?","answers":["$$\\frac{1}{5}$$","$$\\frac{1}{10}$$","$$\\frac{5}{24}$$","$$\\frac{2}{3}$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5306,"type":1,"question":"Which of the following has the smallest value?","answers":["$$\\frac{2}{5}$$","$$\\frac{3}{7}$$","$$\\frac{4}{11}$$","$$\\frac{5}{2}$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5308,"type":1,"question":"Simplify \\(\\dfrac{3}{4}\\) + \\(\\dfrac{1}{12}\\) Give your answer in the lowest term.","answers":["$$\\frac{3}{16}$$","$$\\frac{1}{4}$$","$$\\frac{5}{6}$$","$$\\frac{1}{16}$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5318,"type":2,"question":"If Worker A was to paint a house by himself, he would take 6 hours. If Worker B was to paint a house by himself, he would take 10 hours. How long did both of them take to paint the house together? Express your answer in mixed fraction. A $$\\frac{B}{C}$$ A: B:C: ","answers":["3","3","4",null],"correct_index":3,"solution":null,"hints":[]},{"id":5319,"type":2,"question":"If Worker X was to cut the grass at a field alone, he would complete cutting the field in 19 minutes. If Worker Y was to cut the grass by himself, he would take 12 minutes. If Worker Z was to cut the grass by himself, he would also take 12 minutes. How long did the three of them take to cut the grass together? Express your answer in mixed fraction.
A$$\\dfrac{4}{19}$$ A: B: C: ","answers":["4","14","25",null],"correct_index":3,"solution":null,"hints":[]},{"id":5332,"type":2,"question":"Angie bought some apples and Belle bought some oranges. Angie gave half of her apples to Belle and in return, Belle gave half of her oranges to Angie. Both girls ended up with 16 fruits each, and had $$\\frac{1}{3}$$ as many apples as oranges. Find the number of apples Angie bought and the number of oranges Belle bought. Angie bought apples and Belle bought oranges.","answers":["8","24",null,null],"correct_index":8,"solution":null,"hints":[]},{"id":5348,"type":2,"question":"The ratio of Eugene's height to Willie's height is 10:9. Eugene's height is $$\\dfrac{1}{1}$$ of Willie's height. A: B:","answers":["10","9",null,null],"correct_index":10,"solution":null,"hints":[]},{"id":5349,"type":2,"question":"Lina spent 8 dollars and Natasha, 12 dollars. The ratio of the amount of money that Lina spent to the amount of money that Natasha spent is : ","answers":["2","3",null,null],"correct_index":2,"solution":null,"hints":[]},{"id":5350,"type":2,"question":"Lina spent 8 dollars and Natasha, 12. The amount of money Natasha spent to the amount of money Lina spent is $$\\dfrac{3}{8}$$. a: b:","answers":["3","2",null,null],"correct_index":3,"solution":null,"hints":[]},{"id":5351,"type":2,"question":"A rope is cut into two pieces. The ratio of the length of the longer piece to the length of the shorter piece is 7: 5. The length of the shorter piece is $$\\dfrac{5}{7}$$ of the length of the longer where A: B:","answers":["5","7",null,null],"correct_index":5,"solution":null,"hints":[]},{"id":5352,"type":2,"question":"The ratio of Mrs Hon's mass to Mr Hon's mass is 8: 5. Mr Hon's mass is $$\\dfrac{5}{8}$$ of Mrs Hon's mass. A: B:","answers":["5","8",null,null],"correct_index":5,"solution":null,"hints":[]},{"id":5354,"type":2,"question":"A:B = 1:6 implying A = $$\\dfrac{1}{2}$$ B where:\nx: y:","answers":["1","6",null,null],"correct_index":1,"solution":null,"hints":[]},{"id":5355,"type":2,"question":"J:K = 5:3 means that K is $$\\dfrac{3}{5}$$ of J where x: y:","answers":["3","5",null,null],"correct_index":3,"solution":null,"hints":[]},{"id":5356,"type":2,"question":"Given P:Q = 2:9, P = $$\\dfrac{1}{1}$$ x (Sum of P & Q) where, a: b:","answers":["2","11",null,null],"correct_index":2,"solution":null,"hints":[]},{"id":5357,"type":2,"question":"Given X:Y = 7:8, Y = $$\\dfrac{8}{7}$$ x (Sum of X & Y) where, a: b:","answers":["8","15",null,null],"correct_index":8,"solution":null,"hints":[]},{"id":5358,"type":2,"question":"Mr. Yeo's salary is $$\\dfrac{4}{1}$$ of Mr Koh's. Find the ratio of Mr Koh's salary to Mr Yeo's salary. : ","answers":["4","3",null,null],"correct_index":3,"solution":null,"hints":[]},{"id":5360,"type":2,"question":"Harry had some apples and pears.
The number of apples was $$\\dfrac{5}{1}$$ of the number of pears. What fraction,$$\\dfrac{5}{1}$$, of the total number of fruits was apples? A: B:","answers":["5","11",null,null],"correct_index":5,"solution":null,"hints":[]},{"id":5361,"type":2,"question":"Harry had some apples and pears. The number of apples was $$\\dfrac{6}{1}$$ of the number of pears. Find the ratio of the number of pears to the total number of fruits. : ","answers":["6","11",null,null],"correct_index":6,"solution":null,"hints":[]},{"id":5362,"type":2,"question":"Three pupils, Amy, Belinda and Cindy shared some chocolates in the ratio 4:1:5. Express the number of chocolates that Belinda had as a fraction $$\\dfrac{1}{4}$$ of the total number of chocolates where a: b:","answers":["1","10",null,null],"correct_index":1,"solution":null,"hints":[]},{"id":5363,"type":2,"question":"Three pupils, Amy, Belinda and Cindy shared some chocolates in the ratio 4:1:5. Express the number of chocolates that Amy had as a fraction, $$\\frac{A}{B}$$, of the total number of chocolates that Belinda and Cindy had. Reduce your answer to the lowest term. A: B:","answers":["2","3",null,null],"correct_index":2,"solution":null,"hints":[]},{"id":5364,"type":2,"question":"In a Science experiment, Albert mixed plain water with lime water. For every 20 $$ml$$ of lime water, he used 300 $$ml$$ of plain water. Find the ratio of the volume of lime water added to the volume of plain water added. : ","answers":["1","15",null,null],"correct_index":1,"solution":null,"hints":[]},{"id":5365,"type":2,"question":"A mother prepares oat porridge for her children. For every 2 cups of oats, she will use 6 cups of water. Find the ratio of the number of cups of oats used to the number of cups of water used. Express your answer in the lowest term. : ","answers":["1","3",null,null],"correct_index":1,"solution":null,"hints":[]},{"id":5366,"type":2,"question":"Mr Oodle uses 10 $$g$$ of oil for every 450 $$g$$ of flour to make the dough for his noodle stall. Find the ratio of the amount of oil to the amount of flour he used. : ","answers":["1","45",null,null],"correct_index":1,"solution":null,"hints":[]},{"id":5367,"type":2,"question":"A fruit stall holder mixed 250 $$ml$$ of pineapple juice and 50 $$ml$$ of peach juice with every 350 $$ml$$ of apple juice to make a glass of fruit punch. Find the ratio of the amount of pineapple juice to the amount of peach juice to the amount of apple juice. : : ","answers":["5","1","7",null],"correct_index":5,"solution":null,"hints":[]},{"id":5368,"type":2,"question":"A wizard prepares a magic potion by mixing two key ingredients. For every 10 $$ml$$ of snake's blood, he needs 25 $$ml$$ of bat's saliva. Find the ratio of the volume of snake's blood used to the volume of bat's saliva added. : ","answers":["2","5",null,null],"correct_index":2,"solution":null,"hints":[]},{"id":5369,"type":2,"question":"A wizard prepares a magic potion by mixing two key ingredients. For every 10 $$ml$$ of snake's blood, he needs 25 $$ml$$ of bat's saliva. If he has 40 $$ml$$ of snake's blood, how much bat's saliva does he need? ","answers":["100",null,null,null],"correct_index":100,"solution":null,"hints":[]},{"id":5370,"type":2,"question":"A wizard prepares a magic potion by mixing two key ingredients. For every 10 $$ml$$ of snake's blood, he needs 25 $$ml$$ of bat's saliva. If he wants to make 420 $$ml$$ of magic potion, how much snake's blood must he have? ","answers":["120",null,null,null],"correct_index":120,"solution":null,"hints":[]},{"id":5373,"type":2,"question":"Fatimah and Siti shared a pack of cards in the ratio 8: 11. Express the number of cards that Fatimah took as a fraction of the number. of cards that Siti took. $$\\dfrac{1}{1}$$ A: B:","answers":["8","11",null,null],"correct_index":8,"solution":null,"hints":[]},{"id":5377,"type":2,"question":"Benny's height is $$\\dfrac{8}{1}$$ of SAm's. Jill's height is $$\\dfrac{8}{1}$$ of Benny's.\n Find the ratio of Benny's height to Jill's height to Sam's height. : : ","answers":["8","6","9",null],"correct_index":8,"solution":null,"hints":[]},{"id":5378,"type":2,"question":"The ratio of the number of points scored by Team A to the number of points scored by Team B is 10 : 3. The ratio of the number of points scored by Team C to the number of points scored by Team B is 5 : 6. Express the number of points scored by Team C as a fraction of the number of points scored by Team A: $$\\dfrac{1}{10}$$ where x: y:","answers":["1","4",null,null],"correct_index":1,"solution":null,"hints":[]},{"id":5379,"type":2,"question":"A rope was cut into 3 pieces. The ratio of the length of the 3 pieces is 2 :4: 9. Express the length of the longest piece as a fraction $$\\dfrac{1}{1}$$ of the length of the original rope. Reduce your answer to the lowest term. a: b:","answers":["3","5",null,null],"correct_index":3,"solution":null,"hints":[]},{"id":5380,"type":2,"question":"Gayle has 3 strings, A, B and C. The length of String A is $$\\dfrac{2}{3}$$ B and length B : C = 4:5. Find the ratio of the length of String A : B : C = : : ","answers":["2","20","25",null],"correct_index":2,"solution":null,"hints":[]},{"id":5381,"type":2,"question":"On a cruise ship, the number of boys is $$\\dfrac{3}{1}$$ of the number of adults. The ratio of the number of girls to the total number of passengers is 1 : 11. Find the ratio of the number of children to the number of adults. : ","answers":["3","8",null,null],"correct_index":3,"solution":null,"hints":[]},{"id":5383,"type":2,"question":"At a zoo, the number of chimpanzees is four times the number of elephants. The number of giraffes is $$\\dfrac{7}{1}$$ of the number of chimpanzees. Find the ratio of the number of elephants to the total number of chimpanzees and giraffes. : ","answers":["7","32",null,null],"correct_index":7,"solution":null,"hints":[]},{"id":5384,"type":2,"question":"Allen, Chris and Davis shared some sweets. $$\\dfrac{9}{1}$$ of Allen's sweets is equal to $$\\dfrac{9}{1}$$ of Chris’ sweets. $$\\dfrac{9}{1}$$ of Allen's sweets is equal to $$\\dfrac{9}{1}$$ of Davis’ sweets. Find the ratio of the number of sweets Allen had to the total number of sweets the three boys had. : ","answers":["9","44",null,null],"correct_index":9,"solution":null,"hints":[]},{"id":5385,"type":2,"question":"At first, Ken had $$\\dfrac{7}{1}$$ as much money as Mark. Then Mark gave Ken half of his money. Find the new ratio of Ken's money to Mark's money. : ","answers":["7","5",null,null],"correct_index":7,"solution":null,"hints":[]},{"id":5386,"type":2,"question":"The ratio ot the number of cards that Patrick had to the number of cards that Quincy had was 7 :4. Quincy lost $$\\dfrac{2}{7}$$ of his cards to Patrick. Find the new ratio of the number of cards that Patrick had to the number of cards that Quincy had. : ","answers":["2","1",null,null],"correct_index":2,"solution":null,"hints":[]},{"id":5387,"type":2,"question":"The ratio of May's money to Sheryl's money was 4: 3. May gave $$\\dfrac{2}{1}$$ of her money to Sheryl. Find the new ratio ot May's money to Sheryl's money. : ","answers":["8","13",null,null],"correct_index":8,"solution":null,"hints":[]},{"id":5388,"type":2,"question":"Mr and Mrs Tan had some money. The amount of money that Mr Tan had was $$\\dfrac{1}{1}$$ of the total amount of money that both had. Then, Mr Tan gave $$\\dfrac{1}{1}$$ of his money to Mrs Tan. Find the ratio of the amount of money Mr Tan had to the amount his wife had in the end. : ","answers":["1","8",null,null],"correct_index":1,"solution":null,"hints":[]},{"id":5389,"type":1,"question":"A chef used 25 $$ml$$ of soya sauce tor every 500 $$ml$$ of soup that he made. If he wanted to make 8 litres at soup, how much soya sauce did he need?","answers":["1000 $$ml$$","400 $$ml$$","200 $$ml$$","100 $$ml$$"],"correct_index":1,"solution":null,"hints":[]},{"id":5391,"type":1,"question":"Jason and Adrian shared some stickers in the ratio 1 :4. Express the number of stickers that Adrian got as a fraction of the total number of stickers that they shared.","answers":["$$\\frac{4}{5}$$","$$\\frac{1}{5}$$","$$\\frac{1}{4}$$","$$\\frac{3}{4}$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5392,"type":1,"question":"The cost of a newspaper is $$\\dfrac{3}{10}$$ of the cost of a magazine. Find the ratio of the cost of the newspaper to the cost of the magazine.","answers":["10 : 3","3 : 10","1 : 3","3 : 1"],"correct_index":1,"solution":null,"hints":[]},{"id":5393,"type":1,"question":"Some water is poured into two containers A and B in the ratio 10:1. What fraction of the total water is in container A?","answers":["$$\\frac{10}{11}$$","$$\\frac{1}{10}$$","$$\\frac{1}{11}$$","$$\\frac{9}{10}$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5394,"type":1,"question":"Madam Teoh mixed 50 ml of grape juice and 75 ml of apple juice with every 100 ml of orange juice to make a drink for a party. Express the volume of apple juice used as a fraction of the volume of the drink.","answers":["$$\\frac{2}{9}$$","$$\\frac{4}{9}$$","$$\\frac{1}{2}$$","$$\\frac{1}{3}$$"],"correct_index":3,"solution":null,"hints":[]},{"id":5395,"type":1,"question":"The perimeter of a rectangle is 100 $$cm$$. The ratio of its length to its breadth is 16:9. Find its area.","answers":["70 $$cm^2$$","144 $$cm^2$$"," 576 $$cm^2$$"," 2500 $$cm^2$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5396,"type":1,"question":"On a train, $$\\dfrac{1}{3}$$ of the passengers are women. There are 9 times as many men as children. Find the ratio of the number of men to the number of women.","answers":["3 : 10"," 1 : 3","1 : 9","9 : 5"],"correct_index":3,"solution":null,"hints":[]},{"id":5397,"type":1,"question":"In the Science Club of a school, the ratio at the number of female members to the number of male members is 13 : 7. What percentage of the members are male?","answers":["7%","13%","35%","65%"],"correct_index":2,"solution":null,"hints":[]},{"id":5399,"type":2,"question":"The ratio of the number of boys to the number of girls in a room was 5: 12. If the number of children in the room was more than 60 but less than 70, how many boys were there? ","answers":["20",null,null,null],"correct_index":20,"solution":null,"hints":[]},{"id":5400,"type":2,"question":"The ratio of the length of a rectangle to the breadth of the rectangle is 3 : 1. If the perimeter of the rectangle is between 70 cm and 80 cm, what is the length of the rectangle in cm? ","answers":["27",null,null,null],"correct_index":27,"solution":null,"hints":[]},{"id":5401,"type":2,"question":"In a box, there were some red and blue marbles. At first, the number of red marbles was $$\\dfrac{120}{1}$$ of the number of blue marbles. After 12 red marbles were taken out and 12 blue marbles were put into the box , the ratio of the number of red marbles to the number of blue marbles became 1 : 4. How many marbles were there in the box ? ","answers":["120",null,null,null],"correct_index":120,"solution":null,"hints":[]},{"id":5402,"type":2,"question":"On a train, the number of children was $$\\dfrac{8}{1}$$ of the number of adults. After 14 adults alighted at the ne x t station, the ratio of the number of children to the number of adults became 4: 11. How many children were there on the train? ","answers":["8",null,null,null],"correct_index":8,"solution":null,"hints":[]},{"id":5403,"type":2,"question":"The ratio of the number of pencils that Felicia had to the number of pencils that Siti had was 5 : 7. Siti gave 15 pencils to Felicia. In the end, Siti had $$\\dfrac{6}{1}$$ as many pencils as Felicia. How many pencils did Felicia have in the end? ","answers":["30",null,null,null],"correct_index":30,"solution":null,"hints":[]},{"id":5404,"type":2,"question":"The ratio of the Mr Koh's money to Mr Sim's was 7 : 2. Mr Koh gave Mr Sim some money. In the end, Mr Koh had $$\\dfrac{275}{7}$$ as much money as Mr Sim. If Mr Sim had \\(\\$100\\) at first, how much money did Mr Koh give to Mr Sim?","answers":["275",null,null,null],"correct_index":200,"solution":null,"hints":[]},{"id":5405,"type":2,"question":"Jane had $$\\dfrac{20}{1}$$ as much money as Katherine. After Katherine spent some money on a bag, the ratio of Jane's money to Katherine's money became 6 : 7. If Jane had \\(\\$240\\), how much was the cost of the bag? ","answers":["20",null,null,null],"correct_index":20,"solution":null,"hints":[]},{"id":5406,"type":2,"question":"Mary is$$\\dfrac{18}{1}$$ as old as her sister. In 2 year's time, the ratio of Mary's age to her sister's age will be 7 : 10. How old is Mary's sister now? ","answers":["18",null,null,null],"correct_index":18,"solution":null,"hints":[]},{"id":5407,"type":2,"question":"On a bus, the number of men was $$\\dfrac{60}{1}$$ of the number of adults. After 21 men and 21 women boarded the bus, the ratio ot the number of men to the number of women became 3 : 2. Find the number of adults on the bus in the end. ","answers":["60",null,null,null],"correct_index":60,"solution":null,"hints":[]},{"id":5408,"type":2,"question":"In a classroom, the ratio of the number of boys to the number of girls was 2 : 3. After an equal number of boys and girls left the classroom for recess, the number of boys became $$\\dfrac{8}{1}$$ of the number of girls. If there were 14 children in the classroom in the end, how many children left the classroom for recess? ","answers":["16",null,null,null],"correct_index":16,"solution":null,"hints":[]},{"id":5410,"type":2,"question":"The ratio of Tim's money to Dave's money was 4: 3. After Tim saved an additional 12 dollars and Dave spent 12 dollars on a book, the ratio of Tim's money to Dave's money became 6 : 1. How much did Tim have at first? ","answers":["24",null,null,null],"correct_index":24,"solution":null,"hints":[]},{"id":5411,"type":2,"question":"The amount of water in Siti's water bottle was halt as much as the amount of water in Fatimah's water bottle. After Siti drank 50 ml of water and Fatimah drank 150 ml, the ratio of the amount of water in Siti's water bottle to Fatimah's water became 3: 5. How much water did Fatimah have in her bottle at first? ","answers":["400",null,null,null],"correct_index":400,"solution":null,"hints":[]},{"id":5413,"type":2,"question":"Henry had some dollar notes in his wallet. $$\\dfrac{300}{1}$$of the notes were 10-dollar notes, $$\\dfrac{300}{1}$$ of the remainder were 2-dollar notes and the rest, 5-dollar notes. If he had 8 more 5-dollar notes than 10-dollar notes, how much money did he have in his wallet? ","answers":["300",null,null,null],"correct_index":300,"solution":null,"hints":[]},{"id":5414,"type":2,"question":"The tickets for a school's mooncake festival celebrations were sold at 4 dollar per child and 7 per adult. \\(\\$4030\\) was collected for the celebrations. The ratio of the number of children tickets sold to the number of adult tickets sold was 5 : 6. Find the number of adult tickets sold. ","answers":["390",null,null,null],"correct_index":390,"solution":null,"hints":[]},{"id":5415,"type":2,"question":"Cynthia and Vivian went shopping for a present for their friend one day. The ratio of the amount of money that Vivian paid to the amount of money that Cynthia paid was 2 : 9. Vivian paid \\(\\$12\\) for the present. The present cost $__? ","answers":["66",null,null,null],"correct_index":66,"solution":null,"hints":[]},{"id":5416,"type":2,"question":"Cynthia and Vivian went shopping for a present for their friend one day. The ratio of the amount of money that Vivian paid to the amount of money that Cynthia paid was 2 : 9. Vivian paid \\(\\$12\\) for the present. If the cost of the present were to be split equally, Vivian must return $ to Cynthia for the present?","answers":["21",null,null,null],"correct_index":21,"solution":null,"hints":[]},{"id":5417,"type":2,"question":"The breadth of a rectangle is $$\\dfrac{80}{1}$$ of the length of the rectangle. The ratio of the perimeter of the rectangle to the perimeter of another square is 10 : 7. The length of the square is 14 cm. The perimeter of the rectangle is ","answers":["80",null,null,null],"correct_index":80,"solution":null,"hints":[]},{"id":5418,"type":2,"question":"The breadth of a rectangle is $$\\dfrac{10}{1}$$ of the length of the rectangle. The ratio of the perimeter of the rectangle to the perimeter of a 14cm square is 10 : 7. The difference between the length and the breadth of the rectangle is ","answers":["10",null,null,null],"correct_index":10,"solution":null,"hints":[]},{"id":5419,"type":2,"question":"The ratio of the price of a bag to the price of a book was 9:4. During a sale, the prices of the bag and the book were reduced by 7 and 2 respectively. The ratio of the price of the bag to the price of the book became 2:1.The bag cost $ at first.","answers":["27",null,null,null],"correct_index":237,"solution":null,"hints":[]},{"id":5420,"type":2,"question":"Edwin has some apples and Dillian has some oranges. Then Edwin gives half of his apples to Dillian and Dillian gives $$\\dfrac{1}{1}$$ of his oranges to Edwin. The ratio of number of apples to the number of oranges that Dillian has becomes 1 :6. The ratio of the number of apples to the number of that Edwin has is : ","answers":["1","2",null,null],"correct_index":1,"solution":null,"hints":[]},{"id":5421,"type":2,"question":"Edwin has some apples and Dillian has some oranges. Then Edwin gives half of his apples to Dillian and Dillian gives $$\\dfrac{40}{1}$$ of his oranges to Edwin. The ratio of number of apples to the number of oranges that Dillian has becomes 1 :6. After getting the oranges from Dillian, Edwin now has 12 fruits altogether. How many fruits do both of them have altogether at first? ","answers":["40",null,null,null],"correct_index":40,"solution":null,"hints":[]},{"id":5422,"type":2,"question":"Three boys, Ali, Raju and Kai had 84 marbles altogether. After Ali gave 4 marbles to Kai and Raju lost 12 marbles, the three boys ended up with the same number of marbles. Find the ratio of the number of marbles that Ali had at first to the number of marbles that Kai had at first to the number of marbles that Raju had at first. : : ","answers":["7","5","9",null],"correct_index":7,"solution":null,"hints":[]},{"id":5424,"type":2,"question":"Mr Goh bought 10 kg of sugar last week. He used 1.2 kg of it. What percentage of the sugar had not been used? %","answers":["88",null,null,null],"correct_index":88,"solution":null,"hints":[]},{"id":5426,"type":2,"question":"Gayle bought a bag with a price tag of \\(\\$60\\). She had to pay 7% tax for the bag. How much was the tax? Answer : $ ","answers":["4.2",null,null,null],"correct_index":4,"solution":null,"hints":[]},{"id":5436,"type":2,"question":"On a tour in another country, Mabel paid a total of \\(\\$14.70\\) for a meal. Without tax, the meal would have cost only \\(\\$14\\). How much was the tax, in $? ","answers":["0.7",null,null,null],"correct_index":1,"solution":null,"hints":[]},{"id":5437,"type":2,"question":"On a tour in another country, Mabel paid a total of \\(\\$14.70\\) for a meal. Without tax, the meal would have cost only \\(\\$14\\). What percentage of the cost of the meal was the tax? Round your answer to nearest whole number. ","answers":["5",null,null,null],"correct_index":5,"solution":null,"hints":[]},{"id":5439,"type":2,"question":"Tiffany scored 57 marks for her English test. Her score was 76% of the highest score in her class. Find the highest score in her class. ","answers":["75",null,null,null],"correct_index":75,"solution":null,"hints":[]},{"id":5440,"type":2,"question":"At a sale, a man paid \\(\\$306\\) for a camera. The camera was sold at a 10% discount. Find the cost of the camera before the discount. ","answers":["340",null,null,null],"correct_index":340,"solution":null,"hints":[]},{"id":5441,"type":2,"question":"Daddy put some money into his bank account. The account pays an interest of 3% per year. When he received a bank statement at the end of the year, it said that he had earned an interest of \\(\\$97.50\\). How much money did he put in the account? ","answers":["3250",null,null,null],"correct_index":3250,"solution":null,"hints":[]},{"id":5442,"type":2,"question":"A man had a meal at a restaurant and paid \\(\\$2.94\\) for tax. The tax was 7% of the cost of the meal. How much did the meal cost without tax? ","answers":["42",null,null,null],"correct_index":42,"solution":null,"hints":[]},{"id":5443,"type":2,"question":"The highest score for a test was 90. Sam's score was 80% of the highest score. What is the difference between Sam's score and the highest score? ","answers":["18",null,null,null],"correct_index":18,"solution":null,"hints":[]},{"id":5451,"type":2,"question":"At the start of an experiment on the rate of evaporation, some water was left in a cylinder. After two days, the amount of water decreased by 25% to 90ml. After another two days, the amount of water decreased further by 30%. How much water was there in the cylinder after four days in ml? ","answers":["63",null,null,null],"correct_index":63,"solution":null,"hints":[]},{"id":5464,"type":1,"question":"At a football game, adults are $$\\dfrac{17}{20}$$ of the spectators. The rest are children with the ratio of boys to girls being 4 : 1. What percentage of the total spectators are boys?","answers":["12%","15%","20%","25%"],"correct_index":0,"solution":null,"hints":[]},{"id":5467,"type":2,"question":"An apple has a mass of 200g. It contains 85% water. After being left in the sun for a while, the water content decreased by 10%. What is the mass of the apple now? ","answers":["183",null,null,null],"correct_index":83,"solution":null,"hints":[]},{"id":5468,"type":2,"question":"2000g of a liquid was left in a container under the Sun. At first, it contains 97% water and 3% mud. After a few hours, some water evaporated and the water content decreased by 30%. What is the mass (in g) of the liquid now? ","answers":["1418",null,null,null],"correct_index":1418,"solution":null,"hints":[]},{"id":5469,"type":2,"question":"The length of a rectangle is increased by 10% while the breadth of a rectangle is decreased by 10%. Express the area of the new rectangle as a percentage of the area of the original rectangle. ","answers":["99",null,null,null],"correct_index":99,"solution":null,"hints":[]},{"id":5471,"type":2,"question":"In January, a few foreign students were enrolled into the P5 classes. As a result, the number of P5 boys increased by 10% to 121. Find the number of P5 boys before the foreign students' enrollment. ","answers":["110",null,null,null],"correct_index":110,"solution":null,"hints":[]},{"id":5475,"type":2,"question":"Maggie had some special massage lotion. She gave $$\\dfrac{350}{1}$$ of it to her neighbour and used 25% of the remainder. She had 150 $$ml$$ of lotion left. How much massage lotion did she have at first? ","answers":["350",null,null,null],"correct_index":350,"solution":null,"hints":[]},{"id":5476,"type":2,"question":"William wants to buy a bag but he can only afford 55% of the cost of the bag. His father then gave him 7 dollars but he is still short of $$\\dfrac{1}{10}$$ of the money. How much money is he still short of? ","answers":["2",null,null,null],"correct_index":2,"solution":null,"hints":[]},{"id":5477,"type":2,"question":"William wants to buy a bag but he can only afford 55% of the cost of the bag. His father then gave him 7 dollars but he is still short of $$\\dfrac{4}{11}$$ of the money. The cost of the bag is.","answers":["20",null,null,null],"correct_index":20,"solution":null,"hints":[]},{"id":5486,"type":2,"question":"Container A has 75% as much water as Container B. Container B has $$\\dfrac{1}{75}$$ as much water as the total amount of water in Container A and C. If the volume of water in Container B is increased by 50%, the ratio of the amount of water in Container A to the amount of water in Container B to the amount of water in Container C would be: : : ","answers":["1","2","3",null],"correct_index":1,"solution":null,"hints":[]},{"id":5492,"type":2,"question":"Ms Nadiah drops a marble and it falls 3 m in 1 second. The marble's speed is $$m/s$$.","answers":["3",null,null,null],"correct_index":3,"solution":null,"hints":[]},{"id":5496,"type":2,"question":"Lydia runs at an average speed of 7.9 $$m/s$$. In 1 second, Lydia ran an average of $$m$$. ","answers":["7.9",null,null,null],"correct_index":8,"solution":null,"hints":[]},{"id":5498,"type":2,"question":"A train is travelling at a speed of 80 km/h.At this speed, how far does it travel in km in 2 hours? ","answers":["160",null,null,null],"correct_index":160,"solution":null,"hints":[]},{"id":5499,"type":2,"question":"James is cycling at a speed of 35 $$km/h$$.At this speed, he will cycle km in 3 hours.","answers":["105",null,null,null],"correct_index":105,"solution":null,"hints":[]},{"id":5500,"type":2,"question":"A robot is moving at a speed of 50 cm/s.How far can it move in 20 seconds? Give your answer in m. ","answers":["10",null,null,null],"correct_index":10,"solution":null,"hints":[]},{"id":5502,"type":2,"question":"A long distance runner took 2 hours to run 19.2 $$km$$. What is the runner's average speed in $$km/h$$? Give your answer to one decimal place. ","answers":["9.6",null,null,null],"correct_index":10,"solution":null,"hints":[]},{"id":5506,"type":2,"question":"Seng Wee cycles from his house to his school. The distance from the school to the house is 375 $$m$$. He takes 5 minutes to reach the school. Find Seng Wee's cycling speed in $$m/min$$. ","answers":["75",null,null,null],"correct_index":75,"solution":null,"hints":[]},{"id":5507,"type":2,"question":"A soldier ran 2400 $$m$$ in 10 minutes. What was his running speed in $$km$$. $$km/h$$","answers":["14.4",null,null,null],"correct_index":14,"solution":null,"hints":[]},{"id":5508,"type":2,"question":"Mr Koey drove his car at an average speed of 84 $$km/h$$. How far did he drive in 15 minutes? $$km$$","answers":["21",null,null,null],"correct_index":21,"solution":null,"hints":[]},{"id":5509,"type":2,"question":"A leaf drops down from a branch of a tall tree at a speed of 2 $$m/s$$. How long does it take to reach the ground if the branch is at a height of 36 $$m$$ in seconds? $$s$$","answers":["18",null,null,null],"correct_index":18,"solution":null,"hints":[]},{"id":5510,"type":1,"question":"A car enters a tunnel at a speed of 70 km/h. It travels in the tunnel at a constant speed. It exits the tunnel 2 minutes later. How many kilometres long is the tunnel?","answers":["1$$\\frac{2}{3}km$$.","2$$\\frac{1}{3}km$$.","1$$\\frac{1}{3}km$$.","None of the above"],"correct_index":1,"solution":null,"hints":[]},{"id":5511,"type":2,"question":"Oscar cycles from his home to the park at a speed of 8 $$km/h$$. The park is 2 $$\\dfrac{9}{4}$$ $$km$$ away from his home. How many minutes does he take to reach the park? min","answers":["18",null,null,null],"correct_index":18,"solution":null,"hints":[]},{"id":5512,"type":2,"question":"A scientist releases balloon from the ground. It reaches a height of 1 $$km$$ in $$1\\frac{3}{5}$$ minutes. What is the average speed of the rising balloon in $$m/min$$? $$m/min$$","answers":["625",null,null,null],"correct_index":625,"solution":null,"hints":[]},{"id":5513,"type":2,"question":"A fighter plane travels at 300 $$m/s$$. How many kilometres does it travel in 5 minutes? $$km$$","answers":["90",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5514,"type":2,"question":"The time is 11.55. Mr Tan needs to run from his office to the food centre, which is 450 $$m$$ away. What is his minimum running speed if he needs to reach it before 12.01 in $$m/min$$? $$m/min$$","answers":["75",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5515,"type":2,"question":"A lorry driver drove his vehicle at 60 $$km/h$$ for 25 minutes and 80 $$km/h$$ for 15 minutes. Find the total distance that he had travelled. $$km$$","answers":["45",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5516,"type":2,"question":"During Jason's running test, he jogged for 4 minutes at a speed of 210 $$m/min$$ and then he walked for 3 minutes at a speed of 50 $$m/min$$. What was the total distance completed by Jason after 7 minutes? $$m$$","answers":["990",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5517,"type":2,"question":"Mr Lim drove his car at a speed of 90 $$km/h$$ for the first 2 hours. Then, he drove his car for the rest of the journey at a speed of 75 $$km/h$$ and took another 4 hours to reach his destination. Find the car's average speed for the entire journey. $$km/h$$","answers":["80",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5518,"type":2,"question":"Sulaiman left his home at 2240 to drive to Kuala Lumpur, which is 462 km away. He drove at an average speed of 84 km/h. At what time did he arrive at Kuala Lumpur? Express you answer in 24-hour notation (eg 3am is 0300) ","answers":["0410",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5524,"type":1,"question":"In the morning, Mr Wong took $$\\frac{3}{4}$$ h to drive his car from his home to the airport. In the afternoon, he took $$\\frac{1}{2}$$ h to drive his car from the airport back to his home. The airport was 45 km from his home. Find the total time taken for his trips in the morning and afternoon.","answers":["2$$\\frac{1}{3\n}$$","1$$\\frac{1}{4}$$","1$$\\frac{5}{6}$$","2$$\\frac{1}{6}$$"],"correct_index":1,"solution":null,"hints":[]},{"id":5526,"type":2,"question":"Melissa is meeting her friend at the MRT station at 8 a.m. The station is $$\\dfrac{1}{2}$$km away. At what time must she leave her home if she walks at 60 m/min and wants to arrive exactly on time? Express your answer in 24-hour notation (eg 0300 = 3 am) ","answers":["0810",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5527,"type":2,"question":"A train travelled at 100 $$km/h$$ for the first 200 $$km$$ of the journey. For the remaining 180 $$km$$ of the journey, it reduced its speed to 60 $$km/h$$ for safety reasons as there were many bends along the tracks. Find the total time taken for the entire journey. $$h$$","answers":["5",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5530,"type":1,"question":"Ben cycled 8 $$km$$ in 15 minutes. What was his cycling speed in $$km/h$$?","answers":["7","23","32","120"],"correct_index":2,"solution":null,"hints":[]},{"id":5531,"type":1,"question":"Cheryl jogged for $$\\dfrac{2}{3}$$ h at a speed of 6 $$km/h$$. How far did she jog?","answers":["400$$m$$","900$$m$$","4000$$m$$","9000$$m$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5532,"type":1,"question":"Madam Pek drove her car at 90 km/h for 20 minutes. Find the distance that she had travelled.","answers":["4.5 $$km$$","30 $$km$$","110 $$km$$","180 $$km$$"],"correct_index":1,"solution":null,"hints":[]},{"id":5533,"type":1,"question":"Tom cycles at 12 $$km/h$$ for 15 minutes and 10 $$km/h$$ for 12 minutes. Find the total distance that he has travelled. ","answers":["2 $$km$$","3 $$km$$","5 $$km$$","8 $$km$$"],"correct_index":2,"solution":null,"hints":[]},{"id":5534,"type":1,"question":"Mdm Suriati drove 40 $$km$$ at a speed of 80 $$km/h$$ and 45 $$km$$ at a speed of 60 $$km/h$$. What was her average speed for the journey?","answers":["68 $$km/h$$","70 $$km/h$$","85 $$km/h$$","100 $$km/h$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5535,"type":1,"question":"A rock falls down from the top of a cliff at a speed of 9 $$m/s$$.The cliff is 54 $$m$$ from the high. How long does the rock take to reach the ground?","answers":["45 $$s$$","10 $$s$$","9 $$s$$","6 $$s$$"],"correct_index":3,"solution":null,"hints":[]},{"id":5536,"type":1,"question":"A pebble was rolling down a slope at a speed of y$$m/s$$. It took 8 $$s$$ to reach the ground. Express the distance that it had travelled in terms of $$y$$.","answers":["$$(8y) m$$","$$(8 + y) m$$","$$\\frac{8}{y}m$$","$$\\frac{y}{8}m$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5537,"type":1,"question":"Mr Ganesh drove from his home to his school at a speed of 65 $$km/h$$. His school was 26 $$km$$ from his home. If he reached his school at 07 10, at what time did he start driving?","answers":["06 26","06 31","06 44","06 46"],"correct_index":3,"solution":null,"hints":[]},{"id":5538,"type":1,"question":"Fanny ran a distance of 600 $$m$$ at a speed of 3 $$m/s$$. Then, she walked a further 400 $$m$$ before resting. Her average speed for the entire activity was 1 $$m/s$$. Find her speed when she was walking. ","answers":["0.5 $$m/s$$","1 $$m/s$$","2 $$m/s$$","4 $$m/s$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5540,"type":1,"question":"Jon drove his car for 2 hours at a speed of $$x$$ $$km/h$$. The he drove for another 3 hours at 50 $$km/h$$. Express the total distance that he had travelled in terms of $$x$$.","answers":["$$2x + 150$$","$$3x + 450$$","$$2x + 300$$","$$2x + 450$$"],"correct_index":0,"solution":null,"hints":[]},{"id":5542,"type":2,"question":"Lynn left her home at 11 25 and walked to her school. She reached her school at 12 05.If her average walking speed was 65 $$m/min$$, how far was her school from her home? $$m$$","answers":["2600",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5543,"type":2,"question":"Ms Aini went on a cycling expedition around Singapore. She travelled a total of 180 $$km$$. She started cycling at 04 30 and reached the finishing point at 09 00.What was her average speed? $$km/h$$","answers":["40",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5544,"type":2,"question":"A tour bus left Singapore at 13 40 to drive to a resort in a neighbouring country.If it travelled at a speed of 82 $$km/h$$ and reached the resort at 23.10, how far did the tour bus travel? $$km$$","answers":["779",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5545,"type":2,"question":"Jack's running test started at 0755. He ran a distance of 2400 m at 200 m/min. At what time did he reach the finish line? Express your answer in 24-hour notation (eg 4am is 0400) ","answers":["0807",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5547,"type":2,"question":"From his home, Gene walked for 40 minutes to reach the library. The library was 2.4 $$km$$ from his home. On his return journey, he ran at a speed of 75 $$m/min$$. What was his average speed when he was walking to the library? $$m/min$$","answers":["60",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5548,"type":2,"question":"From his home, Gene walked for 40 minutes to reach the library. The library was 2.4 km from his home. On his return journey, he ran at a speed of 75 m/min. Find the average speed, rounded to 2 decimal places, for the entire jouney (going and returning) in m/min. ","answers":["66.67",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5549,"type":2,"question":"Mr Khairul was driving at a speed of 75 $$km/h$$. Then he drove on the Expressway and increased his speed by 20%. He drove at the new speed for 20 minutes.Find the distance that he had travelled during the 20 minutes on the Expressway. $$km$$","answers":["30",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5550,"type":2,"question":"A bus was travelling at a speed of 60 $$km/h$$. Then it entered a trafic jam and had to reduce its speed by 80%. The bus was stuck in the traffic jarn for 25 minutes.Find the distance that the bus travelled while it was in the traffic jam. $$km$$","answers":["5",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5551,"type":2,"question":"Mrs Ho had to be at the airport in 20 minutes. The airport was 30 km away. She drove at a speed of 80 $$km/h$$.Did she reach the airport in time? If not, at what minimum speed should she have driven her car? $$km/h$$","answers":["90",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5552,"type":2,"question":"Sam had to be in school in 25 minutes. His school was 1.2 $$km$$ away. He walked at a speed of 40 $$m/min$$.Was he late for school? If he was, what speed should he have walked? $$m/min$$","answers":["48",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5557,"type":2,"question":"Germaine and Rachael walk to school from their houses every day. Both of their houses are the same distance away from the school. On a certain day Rachael walked at a speed of 45 $$m/min$$ and took 15 min to reach school gate. On that day, Germaine walked at a speed of 75 $$m/min$$ and reach the school gate at the same time as Rachael. What was the distance between Rachael's\"home and her school? $$m$$","answers":["675",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5558,"type":2,"question":"Germaine and Rachael walk to school from their houses every day. Both of their houses are the same distance away from the school. On a certain day Rachael walked at a speed of 45 $$m/min$$ and took 15 min to reach school gate. On that day, Germaine walked at a speed of 75 $$m/min$$ and reach the school gate at the same time as Rachael.How long did Germaine take to walk to her school? $$min$$","answers":["9",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5560,"type":2,"question":"Andy left his home at 6.30 a.m. He walked leisurely to his school at a speed of 40 $$m/min$$. His father discovered that Andy had forgotten to bring his thermometer and rushed out of the house at 6.36 a.m. He finally caught up with Andy at 6.46 a.m. How far was Andy from his home when his father caught up with him? $$m$$","answers":["640",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5565,"type":2,"question":"Mr Wang was travelling from Town A to Town B. After driving for $$\\dfrac{60}{1}$$ of the journey at a speed of 100 $$km/h$$, he reduced his speed to 75 $$km/h$$ for the rest of the journey. Town A was 150 $$km$$ from Town B.For what distance did he travel at a speed of 100 $$km/h$$? $$km$$","answers":["60",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5567,"type":2,"question":"Mr Wang was travelling from Town A to Town B. After driving for $$\\dfrac{83}{1}$$ of the journey at a speed of 100 $$km/h$$, he reduced his speed to 75 $$km/h$$ for the rest of the journey. Town A was 150 $$km$$ from Town B. What was his average speed for the whole journey? Round your answer to the nearest whole number. $$km/h$$","answers":["83",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5568,"type":2,"question":"Kylie ran at speed of 8 $$km/h$$ for the first quarter of a race. For the remaining part of the race, he increased his speed by 25%. What was his new speed after it was increased by 25%? $$km/h$$","answers":["10",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5584,"type":2,"question":"Taking π = $$\\dfrac{88}{1}$$, find the circumference of a circle with diameter = 28 $$cm$$. Circumference = $$cm$$","answers":["88",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5586,"type":2,"question":"Taking π = 3.14, find the circumference of a circle with diameter = 9$$cm$$. Circumference = $$cm$$","answers":["28.26",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5591,"type":2,"question":"Find the area of a circle of diameter 6cm in terms of π. Area = π $$cm^2$$","answers":["9",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5592,"type":2,"question":"Find the area of a circle with diameter 10cm in terms of π. Area = π $$cm^2$$","answers":["25",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5593,"type":2,"question":"Find the area of a circle with a 8cm radius in terms of π. Area = π $$cm^2$$","answers":["64",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5594,"type":2,"question":"Find the area of a circle with a 15cm radius in terms of π. Area = π $$cm^2$$","answers":["225",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":5697,"type":1,"question":"1 less than 5 is ?","answers":["6","4","3","5"],"correct_index":1,"solution":null,"hints":[]},{"id":5698,"type":1,"question":"Which letter appears 3 times in the word \"puppy\"? ","answers":["u","y","p","None of the above"],"correct_index":2,"solution":null,"hints":[]},{"id":6211,"type":2,"question":"A class has 50 boys and 40 girls. How many more boys are there than girls? Answer : ","answers":["10",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":6228,"type":2,"question":"In a city, there are 5000 cars. If 30% of the cars are electric vehicles, how many electric vehicles are there in the city?","answers":["1500",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":6230,"type":2,"question":"A store has 12000 products. If 15% of the products are on sale, how many products are on sale?","answers":["1800",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":6234,"type":2,"question":"A bakery produces 3000 pastries per day. If 5% of the pastries are cream-filled, how many cream-filled pastries are produced in a day? Answer : ","answers":["150",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":6239,"type":2,"question":"In a grocery store, there are 700 fruits. If 20% of the fruits are apples, 30 % are oranges and the rest are pineapples, how many pineapples are there in the grocery store? Answer : ","answers":["350",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":6305,"type":1,"question":"How many apples are there?","answers":["five","three","seven","two"],"correct_index":1,"solution":null,"hints":[]},{"id":6306,"type":1,"question":"Count the number of butterflies.","answers":["four","six","two","eight"],"correct_index":0,"solution":null,"hints":[]},{"id":6307,"type":1,"question":"How many teddy bears can you see?","answers":["three","one","five","two"],"correct_index":2,"solution":null,"hints":[]},{"id":6308,"type":1,"question":"Determine the total number of balloons. How many balloons are there in total?","answers":["A) five","B) eight","C) four","D) ten"],"correct_index":2,"solution":null,"hints":[]},{"id":6309,"type":1,"question":"Count and identify the number of balloons present. How many balloons can you see?","answers":["A) three","B) seven","C) four","D) nine"],"correct_index":2,"solution":null,"hints":[]},{"id":6310,"type":1,"question":"Calculate the total balloons. What is the total count of balloons?","answers":["A) six","B) ten","C) four","D) eight"],"correct_index":2,"solution":null,"hints":[]},{"id":6311,"type":1,"question":"How many cats can you see?","answers":["A) three","B) five","C) two","D) four"],"correct_index":1,"solution":null,"hints":[]},{"id":6312,"type":1,"question":"In the picture, how many apples are there?","answers":["A) six","B) three","C) five","D) two"],"correct_index":2,"solution":null,"hints":[]},{"id":6313,"type":1,"question":"Count the number of trees in the park.","answers":["A) eight","B) three","C) five","D) two"],"correct_index":2,"solution":null,"hints":[]},{"id":6316,"type":1,"question":"How many letters are in the word 'baby'?","answers":["3","4","5","6"],"correct_index":1,"solution":null,"hints":[]},{"id":6317,"type":1,"question":"Count the number of characters in the term 'baby'.","answers":["3","4","5","6"],"correct_index":1,"solution":null,"hints":[]},{"id":6318,"type":1,"question":"Determine the total letters in 'baby'.","answers":["3","4","5","6"],"correct_index":1,"solution":null,"hints":[]},{"id":6319,"type":1,"question":"How many characters make up the word 'baby'?","answers":["3","4","5","6"],"correct_index":1,"solution":null,"hints":[]},{"id":6320,"type":1,"question":"Calculate the number of letters in the term 'baby'.","answers":["3","4","5","6"],"correct_index":1,"solution":null,"hints":[]},{"id":6321,"type":2,"question":"The word 'apple' has how many letters? Answer: ","answers":["5","","",""],"correct_index":5,"solution":null,"hints":[]},{"id":6323,"type":2,"question":"Calculate the number of letters in the term 'sunshine'. Answer: ","answers":["8","","",""],"correct_index":8,"solution":null,"hints":[]},{"id":6325,"type":2,"question":"Convert 3.5 kg to grams. \nAnswer: g","answers":[null,null,"3500",null],"correct_index":2,"solution":null,"hints":[]},{"id":6326,"type":1,"question":"If a container holds 2.5 liters of water, how many milliliters of water does it contain?","answers":["2500 ml","250 ml","25 ml","0.25 ml"],"correct_index":0,"solution":null,"hints":[]},{"id":6327,"type":1,"question":"Convert 1.2 meters to centimeters.","answers":["120 cm","1.2 cm","12 cm","0.12 cm"],"correct_index":0,"solution":null,"hints":[]},{"id":6329,"type":2,"question":"A tank contains 4.5 liters of fuel. How many milliliters of fuel does the tank hold? \nAnswer: ml","answers":["4500",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":6331,"type":2,"question":"If a box measures 240 cm in length, what is the length of the box in meters? \nAnswer: m","answers":["2.4",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":6332,"type":2,"question":"Convert 2.8 kilograms to grams. Amswer: g","answers":["2800",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":6339,"type":1,"question":"How many apples are there?","answers":["Three","Five","Two","Four"],"correct_index":0,"solution":null,"hints":[]},{"id":6340,"type":1,"question":"Count the number of butterflies.","answers":["Six","Two","Eight","Five"],"correct_index":3,"solution":null,"hints":[]},{"id":6341,"type":1,"question":"How many pencils are in the box?","answers":["Ten","Eight","Six","Three"],"correct_index":2,"solution":null,"hints":[]},{"id":6342,"type":1,"question":"What is the count of the flowers?","answers":["Two","Three","Five","Six"],"correct_index":1,"solution":null,"hints":[]},{"id":6343,"type":1,"question":"How many birds can you see?","answers":["Four","Seven","Nine","Two"],"correct_index":0,"solution":null,"hints":[]},{"id":6344,"type":2,"question":"Fill in the blanks: There are pencils.","answers":["5","","",""],"correct_index":0,"solution":null,"hints":[]},{"id":6345,"type":2,"question":"How many cats do you see? ","answers":["3","","",""],"correct_index":0,"solution":null,"hints":[]},{"id":6346,"type":2,"question":"Count the number of stars: ","answers":["7","","",""],"correct_index":0,"solution":null,"hints":[]},{"id":6347,"type":2,"question":"How many balloons are there? ","answers":["4","","",""],"correct_index":0,"solution":null,"hints":[]},{"id":6348,"type":2,"question":"The number of books is .","answers":["6","","",""],"correct_index":0,"solution":null,"hints":[]},{"id":6390,"type":2,"question":"There are ducks in the pond. If 2 ducks swim away, there will be 4 ducks left. How many ducks are swimming in the pond?","answers":["6","6","7","8"],"correct_index":null,"solution":null,"hints":[]},{"id":6399,"type":1,"question":"If you have 4 pencils in one box and 2 pencils in another, how many pencils do you have in total?","answers":["5","6","4","None of the above"],"correct_index":1,"solution":null,"hints":[]},{"id":6425,"type":1,"question":"Which number is the greatest?","answers":["21","20","22","23"],"correct_index":3,"solution":null,"hints":[]},{"id":6426,"type":1,"question":"Which number is the smallest?","answers":["39","38","40","41"],"correct_index":1,"solution":null,"hints":[]},{"id":6427,"type":1,"question":"Which number is the greatest?","answers":["36","37","35","34"],"correct_index":1,"solution":null,"hints":[]},{"id":6428,"type":1,"question":"Which number comes next in the sequence: 17, 20, 23, ...?","answers":["25","26","27","28"],"correct_index":1,"solution":null,"hints":[]},{"id":6429,"type":2,"question":"What is 16 + 9?","answers":["25","","",""],"correct_index":25,"solution":null,"hints":[]},{"id":6430,"type":2,"question":"Calculate: 42 - 19 = ?","answers":["23","","",""],"correct_index":23,"solution":null,"hints":[]},{"id":6431,"type":2,"question":"What is the result of: 56 - 38 = ?","answers":["18","","",""],"correct_index":18,"solution":null,"hints":[]},{"id":6432,"type":2,"question":"Solve: 75 - 43 = ?","answers":["32","","",""],"correct_index":32,"solution":null,"hints":[]},{"id":6493,"type":1,"question":"How many letters are there in the word \"HIPPOPOTAMUS\" ?","answers":["11","10","12","9"],"correct_index":2,"solution":null,"hints":[]},{"id":6519,"type":1,"question":"How many letters are in the word 'TELEVISION'?","answers":["8","7","10","9"],"correct_index":2,"solution":null,"hints":[]},{"id":6521,"type":1,"question":"How many letters are in the word 'OCTOPUS'?","answers":["6","7","5","8"],"correct_index":1,"solution":null,"hints":[]},{"id":6523,"type":1,"question":"How many letters are there in the word 'BUTTERFLY'?","answers":["10","9","8","11"],"correct_index":1,"solution":null,"hints":[]},{"id":6524,"type":1,"question":"How many letters are in the word 'CLASSROOM'?","answers":["8","7","6","9"],"correct_index":3,"solution":null,"hints":[]},{"id":6526,"type":1,"question":"How many letters can you find in the word 'GORILLA'?","answers":["7","11","10","9"],"correct_index":0,"solution":null,"hints":[]},{"id":6527,"type":1,"question":"How many letters can we count in the word 'WHALE'?","answers":["8","7","6","5"],"correct_index":3,"solution":null,"hints":[]},{"id":6528,"type":1,"question":"How many letters are in the word 'MOTH'?","answers":["3","4","5","7"],"correct_index":1,"solution":null,"hints":[]},{"id":6529,"type":1,"question":"How many letters are in the word 'TOILET'?","answers":["8","7","6","9"],"correct_index":2,"solution":null,"hints":[]},{"id":6530,"type":1,"question":"How many letters are in the word 'CHEETAH'?","answers":["8","7","6","9"],"correct_index":1,"solution":null,"hints":[]},{"id":6531,"type":1,"question":"How many letters are in the word 'COCONUT'?","answers":["10","9","8","7"],"correct_index":3,"solution":null,"hints":[]},{"id":6532,"type":1,"question":"How many letters are in the word 'SPARROW'?","answers":["9","11","8","7"],"correct_index":3,"solution":null,"hints":[]},{"id":6535,"type":1,"question":"How do you write the number 19 in words?","answers":["sixteen","nineteen","twenty","None of the above"],"correct_index":1,"solution":null,"hints":[]},{"id":6540,"type":1,"question":"How do you write the number 13 in words?","answers":["thirteen","thirteenth","twelfth","tirteen"],"correct_index":0,"solution":null,"hints":[]},{"id":6560,"type":1,"question":"Which word has more letters? CAT OR MOUSE?","answers":["CAT","MOUSE","Don't know","Same"],"correct_index":1,"solution":null,"hints":[]},{"id":6566,"type":1,"question":"Which word has less letters? RAIN or STORM?","answers":["STORM","RAIN","Don't know","Both have the same"],"correct_index":1,"solution":null,"hints":[]},{"id":6570,"type":1,"question":"MOTHER, FATHER, DAUGHTER. Which 2 words have the same number of letters?","answers":["MOTHER and DAUGHTER","MOTHER and FATHER","FATHER and DAUGHTER","I do not know"],"correct_index":1,"solution":null,"hints":[]},{"id":6572,"type":1,"question":"APPLE, BANANA, GRAPE. Which 2 words have the same number of letters?","answers":["APPLE and BANANA","APPLE and GRAPE","BANANA and GRAPE","NO ANSWER"],"correct_index":1,"solution":null,"hints":[]},{"id":6586,"type":1,"question":"What are the 2 numbers that come next in the sequence: 6, 8, 10, ___, ___?","answers":["11, 12","12, 13","12, 14","11, 13"],"correct_index":2,"solution":null,"hints":[]},{"id":6628,"type":1,"question":"When 5 litres of water is poured into an empty rectangular tank of height 20 cm, 800 cm3 of water overflows. What is the base area of the tank?","answers":["120 $cm^2$","210 $cm^2$","150 $cm^2$","200 $cm^2$"],"correct_index":1,"solution":null,"hints":[]},{"id":6636,"type":1,"question":"A box measures 100 cm by 40 cm and is filled with sand to 60% of its height. After removing 30 liters of sand, it is now $$\\dfrac{1}{5}$$ full. What is the height of the box?","answers":["20.5 cm","30 cm","18.75 cm","40 cm"],"correct_index":2,"solution":null,"hints":[]},{"id":6641,"type":1,"question":"A rectangular tank was filled with oil to a height of 8 cm. Its rectangular base measured 30 cm by 25 cm. When 9 litres of oil were poured into the tank, the oil level rose to $$\\dfrac{4}{5}$$ of the height of the tank. Find the height of the tank.","answers":["15 cm","20 cm","30 cm","25 cm"],"correct_index":3,"solution":null,"hints":[]},{"id":6647,"type":1,"question":"A rectangular tank, 36 cm long, 25 cm wide and 24 cm high was $$\\dfrac{3}{8}$$ filled with some water. Sam added fifteen 750 ml bottles full of water into the tank. What was the water level from the brim of the tank?","answers":["5.5 cm","5 cm","3.5 cm","2.5 cm"],"correct_index":3,"solution":null,"hints":[]},{"id":6649,"type":1,"question":"A rectangular tank, 30 cm long and 24 cm wide, contains water to a depth of 6 cm. When the water is transferred to a tank of height 12 com, it becomes $$\\dfrac{1}{4}$$ full. Find the base area of the new tank.","answers":["1240 $cm^2$","1540 $cm^2$","1440 $cm^2$","1220 $cm^2$"],"correct_index":2,"solution":null,"hints":[]},{"id":6657,"type":1,"question":"An empty rectangular tank measures 40 cm long, 36 cm wide and 30 cm high. 25.272 litres of water were poured into the tank. What was the height of the water in the tank?","answers":["16.55 cm","20 cm","18.65 cm","17.55 cm"],"correct_index":3,"solution":null,"hints":[]},{"id":6674,"type":1,"question":"A cube with side 15 cm is melted down and recast into smaller cubes, each with side 5 cm. How many smaller cubes can be formed?","answers":["12","27","24","45"],"correct_index":1,"solution":null,"hints":[]},{"id":6675,"type":1,"question":"A large cube has a volume of 512 cm³. It is melted and recast into 8 identical smaller cubes. Find the side length of each smaller cube.","answers":["2","8","4","16"],"correct_index":2,"solution":null,"hints":[]},{"id":6676,"type":1,"question":"A cube-shaped tank of side 18 cm is filled with water. The water is then poured into another cube-shaped tank of side 9 cm. How many of the smaller tanks can be filled?","answers":["4","16","8","32"],"correct_index":2,"solution":null,"hints":[]},{"id":6678,"type":1,"question":"A cube of side 18 cm is recast into cubes of side 3 cm. How many small cubes are formed?","answers":["56","216","96","188"],"correct_index":1,"solution":null,"hints":[]},{"id":6680,"type":1,"question":"A cuboid (40 x 20 x 10) cm is poured equally into 8 identical cubes. Find the side of each cube.","answers":["10 cm","20 cm","6 cm","8 cm"],"correct_index":0,"solution":null,"hints":[]},{"id":6681,"type":1,"question":"A cuboid (25 x 14 x 10) cm of water is poured into another cuboid with base (35 x 10) cm. Find the water height.","answers":["12 cm","14 cm","10 cm","20 cm"],"correct_index":2,"solution":null,"hints":[]},{"id":6682,"type":1,"question":"How many cubes of side 4 cm fit exactly in a cuboid (24 x 16 x 8) cm?","answers":["24","48","58","12"],"correct_index":1,"solution":null,"hints":[]},{"id":6683,"type":1,"question":"A cuboid (27 x 9 x 3) cm is recast into a single cube. Find the cube’s side.","answers":["9 cm","13 cm","14 cm","11 cm"],"correct_index":0,"solution":null,"hints":[]},{"id":6684,"type":1,"question":"A cube of side 20 cm is filled only to a height of 12 cm. The water is poured into a cuboid with base (16 x 10) cm. Find the new height.","answers":["20 cm","22 cm","28 cm","30 cm"],"correct_index":3,"solution":null,"hints":[]},{"id":6685,"type":1,"question":"Water from a completely filled cuboid (40 x 25 x 9) cm is poured equally into 50 identical small cuboids, each with base (10 x 6) cm. Find the height of water in each small cuboid.","answers":["3 cm","4 cm","6 cm","2 cm"],"correct_index":0,"solution":null,"hints":[]},{"id":6690,"type":1,"question":"What is $\\sqrt{144}$ ?","answers":["11","12","13","14"],"correct_index":1,"solution":null,"hints":[]},{"id":6701,"type":1,"question":"Find $\\sqrt{2025}$","answers":["35","55","45","40"],"correct_index":2,"solution":null,"hints":[]},{"id":6711,"type":1,"question":"What is $\\sqrt[3]{1331}$","answers":["10","11","21","31"],"correct_index":3,"solution":null,"hints":[]},{"id":6726,"type":1,"question":"A tank with base (12 × 9) c𝑚 receives all the water from a cube of side 12 𝑐𝑚, then all the water from a cube of side \r\n6 cm. The tank was empty at first. Find the final water height.","answers":["16 cm","18 cm","20 cm","22 cm"],"correct_index":1,"solution":null,"hints":[]},{"id":6727,"type":1,"question":"A cuboid has length 21cm, height 8cm, and volume 2016 $cm^3$. Find its width.","answers":["12 cm","10 cm","11 cm","13 cm"],"correct_index":0,"solution":null,"hints":[]},{"id":6728,"type":1,"question":"Water from a completely filled cuboid 30 x 14 x 12 cm is poured equally into 9 identical cuboids. Each small cuboid has base (10 × 8) cm. Find the common height.","answers":["6 cm","7 cm","8 cm","9 cm"],"correct_index":1,"solution":null,"hints":[]},{"id":6729,"type":1,"question":"A cuboid has length 12cm, width 8cm, height 36cm. Its volume is kept the same, but the length is doubled and the width is tripled. Find the new height.","answers":["6 cm","7 cm","5 cm","8 cm"],"correct_index":0,"solution":null,"hints":[]},{"id":6730,"type":1,"question":"How many cubes of side 8cm are needed to fill a tank with base (32×16) cm to a height of 8 cm?","answers":["10","9","7","8"],"correct_index":3,"solution":null,"hints":[]},{"id":6731,"type":1,"question":"A solid cuboid measures 30×20×12cm. A rectangular void of 10×5×12cm is removed from the interior. Find the remaining volume.","answers":["7200 $cm^3$","7000 $cm^3$","6600 $cm^3$","6800 $cm^3$"],"correct_index":2,"solution":null,"hints":[]},{"id":6732,"type":1,"question":"A tank 24×10×9cm and a tank 18×12×5cm are both full. All water is poured into a single empty tank with base \r\n((12×9) cm. Find the final height.","answers":["30 cm","28 cm","40 cm","32 cm"],"correct_index":0,"solution":null,"hints":[]},{"id":6733,"type":1,"question":"All the water from a cuboid with base area 196 $cm^2$ and height 14 is poured into a cube, filling it to the brim. Find the cube’s side.","answers":["12 cm","10 cm","11 cm","14 cm"],"correct_index":3,"solution":null,"hints":[]},{"id":6734,"type":1,"question":"A cuboid has L=20cm, W=15cm, H=12cm. The height is increased by 25% and the length is decreased by 20%, width unchanged. Find the new volume.","answers":["1800 $cm^3$","3200 $cm^3$","3600 $cm^3$","3800 $cm^3$"],"correct_index":2,"solution":null,"hints":[]},{"id":6735,"type":1,"question":"A cuboid 24×10×9 cm and a cuboid 18×12×5 cm are each filled to the brim. All their water is poured into a single empty tank that will be filled to a height of 12cm. The target tank has length 30 cm and unknown width w cm. Find \r\n𝑤.","answers":["8 cm","9 cm","10 cm","11 cm"],"correct_index":1,"solution":null,"hints":[]},{"id":6736,"type":1,"question":"A cuboid with dimensions 24×w×15 cm is filled to the brim. All the water is poured into a cube of side 30 cm, filling it to the brim. Find w.","answers":["30 cm","60 cm","75 cm","80 cm"],"correct_index":2,"solution":null,"hints":[]},{"id":6737,"type":1,"question":"A cube of side s cm is filled to the brim. All the water is poured equally into five identical cuboids, each with base 20 × 8cm, reaching a common height of 10 cm. Find 𝑠.","answers":["16 cm","22 cm","18 cm","20 cm"],"correct_index":3,"solution":null,"hints":[]},{"id":6738,"type":1,"question":"A cuboid has dimensions 12×8×36 cm. A new cuboid has the same volume, but its length is doubled and its width is tripled. Find the new height.","answers":["6 cm","4 cm","8 cm","10 cm"],"correct_index":0,"solution":null,"hints":[]},{"id":6739,"type":1,"question":"A cuboid 24×15×6 cm and a cuboid 18×12×5 cm are both filled to the brim. All their water is poured into a single empty tank with base 24×w cm and the water rises to a height of 9 cm. Find w.","answers":["12 cm","10 cm","15 cm","25 cm"],"correct_index":2,"solution":null,"hints":[]},{"id":6740,"type":1,"question":"A cube of side 18 cm is filled to the brim. All the water is poured equally into three cuboids, each filling to a common height of 9 cm. Two bases are 12×18 cm and 24×9 cm. The third base is 27×w cm. Find w.","answers":["10 cm","8 cm","12 cm","6 cm"],"correct_index":1,"solution":null,"hints":[]},{"id":6741,"type":1,"question":"A cuboid with dimensions 28×w×14 cm is filled to the brim. All the water is poured into a cube of side 28 cm, filling the cube to the brim. Find w.","answers":["36 cm","54 cm","52 cm","56 cm"],"correct_index":3,"solution":null,"hints":[]},{"id":6742,"type":1,"question":"A cube of side s cm is poured equally into 4 identical cuboids. Then the water from two of these cuboids is combined into a tank with base 24×9 cm, producing a height of 4 cm. Find s.","answers":["8 cm","10 cm","12 cm","22 cm"],"correct_index":2,"solution":null,"hints":[]},{"id":6743,"type":1,"question":"A cube of side s cm is poured equally into 6 identical cuboids, each with base 15×12 cm. Then the water from four of these cuboids is poured into a single tank with base 24×6 cm, producing a height of 8 cm. Find s.","answers":["12 cm","11 cm","10 cm","8 cm"],"correct_index":0,"solution":null,"hints":[]},{"id":6744,"type":1,"question":"A car travels 180 km in 3 h. Find its speed.","answers":["540 kmh","60 km/h","60 kmh","50 km/h"],"correct_index":1,"solution":null,"hints":[]},{"id":6756,"type":1,"question":"A 200 m train crosses a 300 m bridge at 20 m/s. Time to get completely over?","answers":["20 s","100 s","25 s","250 s"],"correct_index":2,"solution":null,"hints":[]},{"id":6759,"type":1,"question":"Two cyclists ride same direction at 18 km/h and 24 km/h. When will they be 30 km apart?","answers":["1 h","4 h","5 h","10 h"],"correct_index":2,"solution":null,"hints":[]},{"id":6760,"type":1,"question":"Still-air speed of plane = 500 km/h. Tailwind/headwind = 50 km/h. The plane took 2 h to make a return trip (point A to B and back to A). What is the distance between A and B?","answers":["500 km","495 km","400 km","395 km"],"correct_index":1,"solution":null,"hints":[]},{"id":6764,"type":1,"question":"A boat’s still-water speed is 12 km/h. The current is 2 km/h. It travels from a pier to a town downstream and returns to the pier. The total time is 6 h. Find the one-way distance D from the pier to the town.","answers":["25 km","35 km","30 km","40 km"],"correct_index":1,"solution":null,"hints":[]},{"id":6765,"type":1,"question":"A train passes a pole in 12 s and a 180 m platform in 24 s, both at constant speed. Find the train’s length.","answers":["120 m","150 m","180 m","200 m"],"correct_index":2,"solution":null,"hints":[]},{"id":6767,"type":1,"question":"A cyclist rides at 15 km/h for 4 hours. How far does the cyclist travel?","answers":["40 km","50 km","60 km","80 km"],"correct_index":2,"solution":null,"hints":[]},{"id":6771,"type":1,"question":"A runner maintains 4 m/s for 12 min. How many meters does the runner cover?","answers":["3000 m","2640 m","2880 m","3200 m"],"correct_index":2,"solution":null,"hints":[]},{"id":6778,"type":1,"question":"A jogger plans to complete 10 km at a steady 8 km/h. How many minutes will the run take?","answers":["60 min","70 min","75 min","90 min"],"correct_index":2,"solution":null,"hints":[]},{"id":6795,"type":1,"question":"A runner alternates 20 min at 12 km/h and 20 min at 18 km/h (two equal-time speeds) for a total of 120 min of running. There is one 60-min rest inserted anywhere. What is the overall average speed including the rest?","answers":["9 km/h","10 km/h","12 km/h","15 km/h"],"correct_index":1,"solution":null,"hints":[]},{"id":6797,"type":1,"question":"A car travels 60 km in 2 hours. What is its speed?","answers":["120 km/h","30 kmh","30 km/h","35 km/h"],"correct_index":2,"solution":null,"hints":[]},{"id":6798,"type":1,"question":"A cyclist goes 15 km in 30 minutes. What is his speed in km/h?","answers":["15 km/h","450 m/s","30 km/h","45 km/h"],"correct_index":2,"solution":null,"hints":[]},{"id":6799,"type":1,"question":"A runner covers 400 meters in 50 seconds. Find his speed in meters per second.","answers":["2000 m/s","10 m/s","8 m/s","12 m/s"],"correct_index":2,"solution":null,"hints":[]},{"id":6800,"type":1,"question":"A person walks 9 km at 3 km/h and then 6 km at 6 km/h. What is the average speed?","answers":["4.25 km/h","3.5 km/h","3.9 km/h","3.75 km/h"],"correct_index":3,"solution":null,"hints":[]},{"id":6801,"type":1,"question":"A car covers 120 km at 60 km/h and returns 120 km at 40 km/h. Find its average speed for the whole trip.","answers":["45 km/h","48 km/h","50 km/h","52 km/h"],"correct_index":1,"solution":null,"hints":[]},{"id":6803,"type":1,"question":"A cyclist rides the first 30 km in 30 minutes and the next 30 km in 2 hours and 15 mins. What is his average speed?","answers":["20.7 km/h","21.50 km/h","21.82 km/h","21.95 km/h"],"correct_index":2,"solution":null,"hints":[]},{"id":6809,"type":1,"question":"Mr Sulaiman left his home at 22.30 to drive to Kuala Lumpur, which is 462 km away.\r\nHe drove at an average speed of 84 km/h. What time did he reach Kuala Lumpur?","answers":["05.00 hours the following day","04.00 hours the following day","04.30 hours the following day","05.30 hours the following day"],"correct_index":1,"solution":null,"hints":[]},{"id":6814,"type":1,"question":"On a bus: 40 people average 25 years old. 10 passengers leave, 5 new passengers with average 30 years old board. New overall average is 26. What was the average age of the 10 who left?","answers":["20","22","24","26"],"correct_index":2,"solution":null,"hints":[]},{"id":6815,"type":1,"question":"Eight numbers average 15. Removing the largest makes the average of the other seven = 12. What is the largest number?","answers":["32","34","36","38"],"correct_index":2,"solution":null,"hints":[]},{"id":6816,"type":1,"question":"Five consecutive odd numbers average 35. What’s the largest number?","answers":["37","39","41","43"],"correct_index":1,"solution":null,"hints":[]},{"id":6817,"type":1,"question":"12 players average 65 kg. Adding one player raises average to 66. What’s the new player’s weight?","answers":["74 kg","72 kg","76 kg","78 kg"],"correct_index":3,"solution":null,"hints":[]},{"id":6818,"type":1,"question":"Four tests average 80. Student wants a 5-test average of 85. What must they score in the fifth?","answers":["95","100","105","110"],"correct_index":2,"solution":null,"hints":[]},{"id":6819,"type":1,"question":"Groups average 70, 80, 90, with ratio 2:3:5. Find the combined average.","answers":["83","81","79","78"],"correct_index":0,"solution":null,"hints":[]},{"id":6820,"type":1,"question":"20 employees average 4,500 dollars in pay. A new manager earning 15,000 dollars joins. What’s the new average pay in dollars?","answers":["4500","5000","5500","5800"],"correct_index":1,"solution":null,"hints":[]},{"id":6821,"type":1,"question":"Ten numbers average 12. Replacing three numbers, 5,15,20, by a single number x makes the new average 13. Find \r\n𝑥.","answers":["22","24","26","28"],"correct_index":1,"solution":null,"hints":[]},{"id":6822,"type":1,"question":"A set of 50 values has average 40. Removing two values changes the average to 39. The difference between those two removed values is 32. Find both values.","answers":["46 and 78","48 and 80","40 and 78","50 and 76"],"correct_index":1,"solution":null,"hints":[]},{"id":6823,"type":1,"question":"Workshop A’s average is 70, Workshop B’s average is 85. Together the combined average is 79. B has 20 more people than A. How many in A and B?","answers":["20 and 40","50 and 70","35 and 55","40 and 60"],"correct_index":3,"solution":null,"hints":[]},{"id":6824,"type":1,"question":"A runner covers three equal distances. Speeds on legs 1 and 2 are 10 and 15 km/h. What speed on leg 3 achieves an overall average of 15 km/h?","answers":["20 km/h","30 km/h","35 km/h","40 km/h"],"correct_index":1,"solution":null,"hints":[]},{"id":6825,"type":1,"question":"One hundred numbers average 50. The first 40 average 45, the next 30 average 55. What is the average of the final 30? Answer to 2 decimal places.","answers":["50.67","51.67","53.67","54.67"],"correct_index":1,"solution":null,"hints":[]},{"id":6826,"type":1,"question":"A dataset’s true average is 50. Due to one mis-recorded value, the reported average is 49.6. The wrong entry recorded 63 instead of 83. How many items are in the dataset?","answers":["30","40","50","55"],"correct_index":2,"solution":null,"hints":[]},{"id":6827,"type":1,"question":"Class A has n students averaging 60. Class B has m students averaging 90. 5 students, whose own average is \r\n92 are transferred from B to A. After the move, A’s average is 65 and B’s average is 88. Find original n and m.","answers":["25 and 12","27 and 10","26 and 8","26 and 10"],"correct_index":1,"solution":null,"hints":[]},{"id":6828,"type":1,"question":"A student has 10 exam scores averaging 76. They retake some exams and raise each of those retaken scores by 8 points on average. After retakes, the overall average is 78.4. How many exams were retaken?","answers":["3","4","5","2"],"correct_index":0,"solution":null,"hints":[]},{"id":6829,"type":1,"question":"A 60-item dataset averages 30. Group 1 (25 items) averages 24. Group 2 (15 items) averages 36. What must Group 3’s average be?","answers":["30","32","33","34"],"correct_index":2,"solution":null,"hints":[]},{"id":6830,"type":1,"question":"A dataset has unknown size n and average 52. When one value x is replaced by ( x + 4), the average rises to 53.7. Find \r\n𝑛.","answers":["16","18","20","22"],"correct_index":2,"solution":null,"hints":[]},{"id":6831,"type":1,"question":"The average of n numbers is 40. Removing one number 28 increases the average to 41. Then adding a number y brings the average to 42 with the original count n. Find n and y.","answers":["12 and 50","14 and 56","13 and 56","13 and 54"],"correct_index":3,"solution":null,"hints":[]},{"id":6834,"type":1,"question":"A library has 8 shelves. Each shelf has an average of 15 books. How many books are there in total?","answers":["100","110","120","80"],"correct_index":2,"solution":null,"hints":[]},{"id":6836,"type":1,"question":"A basket has 10 mangoes. The average weight of each mango is 2 kg. What is the total weight?","answers":["20","12","24","22"],"correct_index":0,"solution":null,"hints":[]},{"id":6837,"type":1,"question":"The average score of 5 students is 80. What is the total of their scores?","answers":["300","450","400","500"],"correct_index":2,"solution":null,"hints":[]},{"id":6838,"type":1,"question":"Sarah has \\(\\$60\\) to spend equally over 5 days. How much does she spend on average per day?","answers":["10","12","14","13"],"correct_index":1,"solution":null,"hints":[]},{"id":6839,"type":1,"question":"A student scored 240 marks in 6 subjects. What is the average mark per subject?","answers":["35","55","45","40"],"correct_index":3,"solution":null,"hints":[]},{"id":6840,"type":1,"question":"A factory produced 1,200 cars in 12 months. What was the average production per month?","answers":["110 cars","100 cars","120 cars","90 cars"],"correct_index":1,"solution":null,"hints":[]},{"id":6850,"type":1,"question":"A student scored 72 marks in an exam, which is 60% of the total marks. What are the total marks of the exam?","answers":["100","90","110","120"],"correct_index":3,"solution":null,"hints":[]},{"id":6851,"type":1,"question":"After a 25% discount, a jacket costs \\(\\$90\\). What was the original price of the jacket?","answers":["100","110","120","130"],"correct_index":2,"solution":null,"hints":[]},{"id":6852,"type":1,"question":"In a town, 8,400 people are children. If children make up 35% of the population, what is the total population?","answers":["22000","24000","25000","26000"],"correct_index":1,"solution":null,"hints":[]},{"id":6853,"type":1,"question":"Tom earned \\(\\$1,260\\) in interest, which was 7% of his savings. How much money does he have in savings?","answers":["16000","20000","19000","18000"],"correct_index":3,"solution":null,"hints":[]},{"id":6854,"type":2,"question":"After receiving a 20% raise, Maria’s new salary is \\(\\$4,800\\). What was her original salary? Answer : $ ","answers":[null,null,null,"4000"],"correct_index":3,"solution":null,"hints":[]},{"id":6855,"type":1,"question":"Jason lost 30% of his marks on a test because he left questions blank. If he ended up with 56 marks, what was the full mark of the test?","answers":["80","90","100","110"],"correct_index":0,"solution":null,"hints":[]},{"id":6856,"type":1,"question":"A shopkeeper sold a phone for \\(\\$680\\) after giving a 15% discount. What was the marked price of the phone?","answers":["700","750","800","850"],"correct_index":2,"solution":null,"hints":[]},{"id":6867,"type":1,"question":"A fruit basket has a ratio of apples to oranges = 4:3.\r\nWhat fraction of the fruits are oranges?","answers":["4 / 7","3 / 7","3 / 4","4 / 10"],"correct_index":1,"solution":null,"hints":[]},{"id":6868,"type":1,"question":"In a bag of 36 sweets, 1/4 are chocolate.\r\nFind the ratio of chocolate to non-chocolate sweets.","answers":["1 : 3","1 : 4","1 : 7","3 : 4"],"correct_index":0,"solution":null,"hints":[]},{"id":6869,"type":1,"question":"The ratio of cats to dogs is 2:7.\r\nWhat fraction of the animals are cats?","answers":["7 / 9","2 / 9","2 / 7","2 / 3"],"correct_index":1,"solution":null,"hints":[]},{"id":6870,"type":1,"question":"In a survey, 3/10 of people liked tea.\r\nExpress the ratio of tea-lovers to non-tea-lovers.","answers":["3 : 10","3 : 7","7 : 10","10 : 13"],"correct_index":1,"solution":null,"hints":[]},{"id":6872,"type":1,"question":"Out of 50 books, 2/5 are novels.\r\nExpress the ratio of novels to other books.","answers":["2 : 3","2 : 5","5 : 7","3 : 5"],"correct_index":0,"solution":null,"hints":[]},{"id":6873,"type":1,"question":"In a crowd, the ratio of adults to children is 9:11.\r\nWhat fraction of the crowd are adults?","answers":["9 / 11","11 / 20","2 / 11","9 / 20"],"correct_index":3,"solution":null,"hints":[]},{"id":6887,"type":1,"question":"The speed of car X to car Y is in the ratio 5:3. The time taken by car X versus car Y to finish a journey is in the ratio 3:5. How many times longer is the distance covered by car X compared to car Y?","answers":["1.5 times","2 times","3 times","Both covered the same distance"],"correct_index":3,"solution":null,"hints":[]},{"id":6891,"type":1,"question":"In a library, the ratio of books to magazines is 5:4. If each book costs 2 times as much as each magazine, how many times is the total cost of all books as large as the total cost of all magazines?","answers":["2","2.5","2.8","1.8"],"correct_index":1,"solution":null,"hints":[]},{"id":6908,"type":1,"question":"A rectangular tank is 2 m×1.5 m×1.2 m. You pour in 36 buckets, each of 10 litres. By how many centimeters does the water level rise?","answers":["10","12","13","14"],"correct_index":1,"solution":null,"hints":[]},{"id":6912,"type":1,"question":"A cube has surface area 486 $cm^2$. A rectangular hole of 5 cm x 3 cm is drilled straight through the center, all the way across one face to the opposite face. Find the remaining volume.","answers":["494","594","694","495"],"correct_index":1,"solution":null,"hints":[]},{"id":6913,"type":1,"question":"Tank A is 1.5 m×1.0 m×0.8 m with water to a depth of 0.60 m. All its water is poured into Tank B whose base is 1.2 m×0.75 m. Tank B initially has 0.10 m of water. What will be the final water depth in Tank B (assume it is tall enough)?","answers":["1.0 m","1.1 m","1.2 m","1.3 m"],"correct_index":1,"solution":null,"hints":[]},{"id":6920,"type":1,"question":"A rectangular tank with base area 3.6 $m^2$ is 40% full. After adding 0.72 $m^3$ of water it is 70% full. Find height of tank (m).","answers":["$$\\frac{2}{3}$$","$$\\frac{3}{4}$$","$$\\frac{4}{3}$$","$$\\frac{3}{2}$$"],"correct_index":0,"solution":null,"hints":[]},{"id":6924,"type":1,"question":"A closed wooden box has outer dimensions 80 cm×50 cm×40 cm and uniform wall thickness 2 cm. What volume of water (in $cm^3$) can it hold?","answers":["125,886","125,866","126,856","125,856"],"correct_index":3,"solution":null,"hints":[]},{"id":6927,"type":1,"question":"A cuboid’s length, width, height are changed by +20%, −10%, and r% respectively. The volume decreases by 4%. Find \r\n𝑟 (to 2 decimal places).","answers":["- 11.21%","- 12.21%","- 11.31%","- 11.11%"],"correct_index":3,"solution":null,"hints":[]},{"id":6931,"type":1,"question":"A cubical tank of internal side 1.2 m is 90% full. A leak drains water at 0.5 liters per second. How long until it reaches \r\n50% full? Round your answer to nearest second.","answers":["1392","1362","1382","1482"],"correct_index":2,"solution":null,"hints":[]},{"id":6935,"type":1,"question":"A rectangular tank 120 cm×80 cm×50 cm receives a uniform external foam layer of thickness t=3 cm on all faces (top included). How much foam in (cubic centimetres) is used?","answers":["126,826","126,816","126,836","128,816"],"correct_index":1,"solution":null,"hints":[]},{"id":6939,"type":1,"question":"A cuboid has dimensions 20 cm×16 cm×12 cm. A cube of the largest possible size is carved out from one corner of the cuboid. Find the volume of the remaining solid in cubic centimetres.","answers":["2114","2112","2118","2222"],"correct_index":1,"solution":null,"hints":[]},{"id":6944,"type":1,"question":"A cube of side 12 cm is cut into smaller identical cubes of side 3 cm.\r\nFind the ratio of the total surface area of all the smaller cubes to the original cube’s surface area.","answers":["4 : 1.5","5 : 1","4 : 1","5 : 2"],"correct_index":2,"solution":null,"hints":[]},{"id":6948,"type":1,"question":"A cube of side 12 cm is painted on all sides, then cut into smaller cubes of side 3 cm. How many small cubes have exactly two painted faces and their total volume?","answers":["22 and 648$cm^3$","24 and 648$cm^3$","26 and 648$cm^3$","24 and 668$cm^3$"],"correct_index":1,"solution":null,"hints":[]},{"id":6952,"type":1,"question":"Five identical metal cubes, each side 10 cm, are melted and recast into a cuboid of breadth 20 cm and height \r\n15cm. Find its length in cm (to 2 decimal places).","answers":["16.67","18.67","17.67","19.67"],"correct_index":0,"solution":null,"hints":[]},{"id":6973,"type":1,"question":"The length of a rectangular garden is 5 m more than twice its width.\r\nThe perimeter is 58 m.\r\nFind the width.","answers":["8 m","10 m","12 m","6 m"],"correct_index":0,"solution":null,"hints":[]},{"id":6974,"type":1,"question":"The sum of three consecutive even numbers is 108.\r\nFind the numbers.","answers":["36, 38, 40","30, 32, 34","38, 40, 42","34, 36, 38"],"correct_index":3,"solution":null,"hints":[]},{"id":6976,"type":1,"question":"Amir invests 2,000 dollars more in Company A than in Company B.\nHe invests 10,000 dollars in total.\nCompany A pays 8% interest, Company B pays 10%.\nIf the total interest after one year is 880 dollars, how much did he invest in A?","answers":["7000","5000","6500","6000"],"correct_index":3,"solution":null,"hints":[]},{"id":6977,"type":1,"question":"A jeweller mixes two alloys: Alloy A costs 600 dollars per kg, Alloy B costs 800 dollars per kg.\r\nHe wants 15 kg of a mixture worth 720 dollars per kg.\r\nHow many kilograms of each alloy are needed?","answers":["A =6 kg, B = 8 kg","A =4 kg, B = 9 kg","A =6 kg, B = 9 kg","A =6 kg, B = 10 kg"],"correct_index":2,"solution":null,"hints":[]},{"id":6983,"type":1,"question":"A bag costs 40 dollars more than a pair of shoes. Buying 2 bags and 3 pairs of shoes totals 460 dollars. Find the price of a bag.","answers":["$116","$118","$120","$114"],"correct_index":0,"solution":null,"hints":[]},{"id":6984,"type":1,"question":"A bag costs 40 dollars more than a pair of shoes. Buying 2 bags and 3 pairs of shoes totals 460 dollars. Find the cost of a pair of shoes (in $).","answers":["74","72","80","76"],"correct_index":3,"solution":null,"hints":[]},{"id":6985,"type":1,"question":"The sum of three consecutive odd numbers is 15 more than twice the smallest. Find the smallest number.","answers":["7","9","13","15"],"correct_index":1,"solution":null,"hints":[]},{"id":6986,"type":1,"question":"Aisha paid 10 dollars less than twice Ben, Clara paid 20 dollars more than Ben. Together they paid 190 dollars. How much did Aisha pay?","answers":["60","70","80","90"],"correct_index":2,"solution":null,"hints":[]},{"id":6987,"type":1,"question":"This year’s profit is 5,000 dollars more than twice last year’s. The two-year total is 45,000. Find this year’s profit.","answers":["31,666.67","32,666.67","33,666.67","21,666.67"],"correct_index":0,"solution":null,"hints":[]},{"id":6988,"type":1,"question":"Length is 5 cm more than twice the width. Perimeter = 70 cm. Find length.","answers":["24","23","25","26"],"correct_index":2,"solution":null,"hints":[]},{"id":6989,"type":1,"question":"A company produced 47,826 bottles of juice in January and 52,493 bottles in February.\r\nEstimate the total number of bottles produced by rounding each number to the nearest thousand before adding.","answers":["99,000","100,000","101,000","102,000"],"correct_index":1,"solution":null,"hints":[]},{"id":6990,"type":1,"question":"The population of Town A is 328,499, and Town B is 672,501.\r\nEstimate the total population by rounding each town’s population to the nearest thousand.","answers":["1,001,000","999,000","1,000,000","1,010,000"],"correct_index":0,"solution":null,"hints":[]},{"id":6991,"type":1,"question":"Round 677,501 to nearest thousand.","answers":["677,000","677,500","680,000","678,000"],"correct_index":3,"solution":null,"hints":[]},{"id":7005,"type":1,"question":"A shop sold 2,387 computers in January, 5,634 in February, and 4,829 in March.\r\nEstimate the total number of computers sold in the three months.","answers":["12,000","13,000","14,000","11,000"],"correct_index":1,"solution":null,"hints":[]},{"id":7011,"type":1,"question":"A factory produced the following number of items in three months: \r\nJanuary: 12,640 items, February: 8,470 items and March: 9,810 items.\r\nEstimate the total number of items produced, rounding each month’s number to the nearest thousand.","answers":["30,000","32,000","29,000","31,000"],"correct_index":3,"solution":null,"hints":[]},{"id":7012,"type":1,"question":"Round 123,456 to nearest thousand.","answers":["123,000","124,000","123,400","123,500"],"correct_index":0,"solution":null,"hints":[]},{"id":7019,"type":1,"question":"Round 65,500 to nearest thousand.","answers":["65,500","66,000","65,000","55,500"],"correct_index":1,"solution":null,"hints":[]},{"id":7029,"type":1,"question":"Round off 6,489 to the nearest thousand. Then estimate the value of 6,489 x 5 .","answers":["32,000","35,000","32,500","30,000"],"correct_index":3,"solution":null,"hints":[]},{"id":7039,"type":1,"question":"Express $\\frac{9}{16}$ as a decimal","answers":["0.5625","0.5600","0.6250","0.6200"],"correct_index":0,"solution":null,"hints":[]},{"id":7045,"type":1,"question":"Express $\\frac{2}{9}$ as a division sentence","answers":["$\\dfrac{2}{9}$ = $2 \\div 9$","$\\dfrac{2}{9}$ = $9 \\div 2$","$\\frac{2}{9}$ = 29","$\\frac{2}{9}$ = 2 and 9"],"correct_index":0,"solution":null,"hints":[]},{"id":7060,"type":1,"question":"Convert the decimal into a fraction or mixed number. Simplify it if possible.\r\n1.4 = ______","answers":["$\\frac{4}{10}$","$\\frac{2}{5}$","1$\\frac{2}{5}$","1$\\frac{4}{10}$"],"correct_index":2,"solution":null,"hints":[]},{"id":7088,"type":1,"question":"What is 3$$\\dfrac{1}{4}$$ + 1$$\\dfrac{1}{2}$$? Give your answer as a mixed number.","answers":["4 $$\\frac{3}{4}$$","4 $$\\frac{1}{4}$$","5 $$\\frac{3}{4}$$","None of the above"],"correct_index":0,"solution":null,"hints":[]},{"id":7089,"type":1,"question":"Calculate 2$$\\dfrac{2}{5}$$ + 1$$\\dfrac{3}{10}$$ and express your answer as a mixed number.","answers":["4 $$\\frac{1}{10}$$","4 $$\\frac{3}{10}$$","3 $$\\frac{1}{10}$$","3$\\frac{7}{10}$"],"correct_index":3,"solution":null,"hints":[]},{"id":7091,"type":1,"question":"Express 4$\\frac{1}{3}$ - 2$\\frac{1}{2}$ as a mixed number in its lowest form","answers":["2$\\frac{5}{6}$","1$\\frac{5}{6}$","2$\\frac{1}{3}$","1$\\frac{1}{3}$"],"correct_index":1,"solution":null,"hints":[]},{"id":7103,"type":1,"question":"What do you get when you multiply $\\frac{4}{3}$ with $\\frac{7}{2}$? Put your answer in the lowest form.","answers":["$\\frac{14}{3}$","$\\frac{28}{6}$","$\\frac{8}{21}$","$\\frac{4}{3}$"],"correct_index":0,"solution":null,"hints":[]},{"id":7122,"type":1,"question":"Find the product of 3$\\frac{3}{7}$ and 6. Express your answer in mixed number.","answers":["18$\\frac{3}{7}$","20$\\frac{18}{7}$","20$\\frac{4}{7}$","18$\\frac{4}{7}$"],"correct_index":2,"solution":null,"hints":[]},{"id":7141,"type":1,"question":"Round off 1.2345 to 2 decimal places","answers":["1.2345","1.23","1.24","1.2"],"correct_index":1,"solution":null,"hints":[]},{"id":7151,"type":1,"question":"What is 34.6945 rounded to 3 decimal places?","answers":["34.690","34.695","34.694","34.6945"],"correct_index":1,"solution":null,"hints":[]},{"id":7164,"type":1,"question":"What is 4 as a percentage of 20?","answers":["25","20","80","5"],"correct_index":1,"solution":null,"hints":[]},{"id":7174,"type":1,"question":"What is 125 as a percentage of 625?","answers":["25","30","20","28"],"correct_index":2,"solution":null,"hints":[]},{"id":7180,"type":1,"question":"A laptop costs 2800 dollars before discount. \nThe store offers a 15% discount and then adds 8% GST to the discounted price.\nWhat is the final price the customer pays?","answers":["2580.40","2670.40","2570.40","2550.40"],"correct_index":2,"solution":null,"hints":[]},{"id":7181,"type":1,"question":"A store announces two successive discounts on a television:\r\nFirst, 20% off, then an additional 10% off the discounted price.\r\nIf the marked price is 1,500 dollars, what is the final selling price?","answers":["1,050","1,080","1,100","1,090"],"correct_index":1,"solution":null,"hints":[]},{"id":7200,"type":1,"question":"Which of the following are not equivalent ratio to 2:3?","answers":["4:6","6:9","8:12","12:20"],"correct_index":3,"solution":null,"hints":[]},{"id":7201,"type":1,"question":"Which is not an equivalent ratio to 3:7:5?","answers":["6:14:10","15:42:25","18:42:30","12:28:20"],"correct_index":1,"solution":null,"hints":[]},{"id":7204,"type":1,"question":"Which of these is not an equivalent ratio to 1:2:3?","answers":["2:4:6","3:6:9","4:8:12","5:10:25"],"correct_index":3,"solution":null,"hints":[]},{"id":7210,"type":1,"question":"Which of these ratios is not the same as 1:2?","answers":["2:4","3:6","4:8","15:28"],"correct_index":3,"solution":null,"hints":[]},{"id":7212,"type":1,"question":"Which is the simplest form of 120:24:72 ?","answers":["60:12:36","40:8:24","5:1:3","20:4:12"],"correct_index":2,"solution":null,"hints":[]},{"id":7213,"type":1,"question":"Which is the simplest form of 24:80?","answers":["24:80","3:10","1:3","12:40"],"correct_index":1,"solution":null,"hints":[]},{"id":7224,"type":1,"question":"There are 15 girls and 25 boys in class 2E. Which correctly represents the ratio of number of boys : number of girls : total number of students in class 2E?","answers":["3:5:8","5:4:8","5:3:9","5:3:8"],"correct_index":3,"solution":null,"hints":[]},{"id":7225,"type":1,"question":"A fruit basket has a ratio of apples to bananas as 3 : 5. If there are 12 apples, how many bananas are there?","answers":["18","20","22","24"],"correct_index":1,"solution":null,"hints":[]},{"id":7226,"type":1,"question":"The ratio of blue paint to red paint is 2 : 3. If you have 10 litres of blue paint, how much red paint should you mix to keep the same ratio?","answers":["12","15","18","20"],"correct_index":1,"solution":null,"hints":[]},{"id":7227,"type":1,"question":"The ratio of sugar to flour in a recipe is 1 : 4. If 0.5 kg of sugar is used, how much flour is needed?","answers":["1.5 kg","2.5 kg","2.0 kg","2.2 kg"],"correct_index":2,"solution":null,"hints":[]},{"id":7228,"type":1,"question":"The ratio of men to women in a company is 3 : 5.\nIf there are 120 women, how many men are there?","answers":["70","102","72","180"],"correct_index":2,"solution":null,"hints":[]},{"id":7229,"type":1,"question":"The ratio of apples : oranges : pears is 4 : 5 : 6.\r\nIf there are 60 more pears than apples, find how many oranges there are.","answers":["120","130","140","150"],"correct_index":3,"solution":null,"hints":[]},{"id":7235,"type":1,"question":"5:_ = 20:16. Find the missing term.","answers":["3","4","5","2"],"correct_index":1,"solution":null,"hints":[]},{"id":7237,"type":1,"question":"7:14 = 3.5:_","answers":["5.5","6.5","7","9"],"correct_index":2,"solution":null,"hints":[]},{"id":7239,"type":1,"question":"_:20 = 9:12. Which is the missing term?","answers":["13","14","15","18"],"correct_index":2,"solution":null,"hints":[]},{"id":7240,"type":1,"question":"_:45 = 14:15. What is the missing term?","answers":["40","42","44","46"],"correct_index":1,"solution":null,"hints":[]},{"id":7244,"type":1,"question":"12:_ = 30:25. Find the missing term.","answers":["5","6","4","10"],"correct_index":3,"solution":null,"hints":[]},{"id":7246,"type":1,"question":"7:_ = 21:14. Find the missing term.","answers":["4","3","2","5"],"correct_index":2,"solution":null,"hints":[]},{"id":7262,"type":1,"question":"Find the ratio of 25 cm to 1 m.","answers":["1:2","1:5","1:4","2:5"],"correct_index":2,"solution":null,"hints":[]},{"id":7263,"type":1,"question":"Find the ratio of 2 hours to 30 minutes in the lowest term.","answers":["2:30","1:15","4:1","3:1"],"correct_index":2,"solution":null,"hints":[]},{"id":7264,"type":1,"question":"Find the ratio of 45 g to 1.5 kg. Answer in the lowest term.","answers":["45:1.5","3:100","3:110","4:100"],"correct_index":1,"solution":null,"hints":[]},{"id":7265,"type":1,"question":"Find the ratio of 4 : 8 : 12 in simplest form.","answers":["1:2:3","1:3:5","2:3:5","1:3:6"],"correct_index":0,"solution":null,"hints":[]},{"id":7266,"type":1,"question":"Find the ratio of 20 min, 45 min, and 1 hour in simplest form.","answers":["3:8:12","3:7:12","2:4:5","4:9:12"],"correct_index":3,"solution":null,"hints":[]},{"id":7267,"type":1,"question":"Find the ratio of 2 m, 150 cm, and 50 cm in simplest form.","answers":["2:75:25","5:3:1","5:3:2","4:3:1"],"correct_index":3,"solution":null,"hints":[]},{"id":7273,"type":1,"question":"The weights of three bags are 2 kg, 2.5 kg, and 4 kg. Find their ratio in simplest form.","answers":["2:5:8","3:5:8","4:5:8","4:5:7"],"correct_index":2,"solution":null,"hints":[]},{"id":7274,"type":1,"question":"The speeds of three cars are 60 km/h, 90 km/h, and 120 km/h. Find the ratio of their speeds.","answers":["1:3:5","2:3:4","2:4:5","1:2:5"],"correct_index":1,"solution":null,"hints":[]},{"id":7275,"type":1,"question":"Convert 3 litres to ml.","answers":["300","3000","30","30000"],"correct_index":1,"solution":null,"hints":[]},{"id":7276,"type":1,"question":"Convert 750 ml to l","answers":["75l","750l","0.75l","7.5l"],"correct_index":2,"solution":null,"hints":[]},{"id":7277,"type":1,"question":"Convert 2500 ml to l.","answers":["2.5l","25l","0.25l","25l"],"correct_index":0,"solution":null,"hints":[]},{"id":7278,"type":1,"question":"Convert 4.5 l to ml.","answers":["45 ml","450 ml","4500 ml","45000 ml"],"correct_index":2,"solution":null,"hints":[]},{"id":7279,"type":1,"question":"Convert 1.2l to cm³.","answers":["12","120","1200","12000"],"correct_index":2,"solution":null,"hints":[]},{"id":7280,"type":1,"question":"Convert 3200 cm³ to l.","answers":["32l","3.2l","320l","0.32l"],"correct_index":1,"solution":null,"hints":[]},{"id":7281,"type":1,"question":"A jug holds 2500 $cm^3$ of juice. How many litres is that?","answers":["25","2.5","0.25","0.025"],"correct_index":1,"solution":null,"hints":[]},{"id":7283,"type":1,"question":"Find the volume of a container with dimensions 15 cm × 8 cm × 5 cm in $cm^3$.","answers":["600","6000","60","6000"],"correct_index":0,"solution":null,"hints":[]},{"id":7284,"type":1,"question":"A tank has dimensions 4 m × 2.5 m × 1.5 m. Find its volume in $m^3$.","answers":["1.5","150","15","0.15"],"correct_index":2,"solution":null,"hints":[]},{"id":7285,"type":1,"question":"A water tank has a capacity of 2.4 m³. How many litres of water can it hold?","answers":["24","240","2400","24000"],"correct_index":2,"solution":null,"hints":[]},{"id":7286,"type":1,"question":"Convert 250,000 $cm^3$ to $m^3$.","answers":["0.25","2.5","250","0.025"],"correct_index":0,"solution":null,"hints":[]},{"id":7287,"type":1,"question":"A rectangular tank has a length of 120 cm, a width of 80 cm, and a height of 60 cm.\r\nFind its volume in $m^3$.","answers":["5.76","57.6","576","0.576"],"correct_index":3,"solution":null,"hints":[]},{"id":7299,"type":1,"question":"A rectangular tank measures 52 cm by 14 cm by 10 cm. Find the capacity of the tank in litres and millilitres.","answers":["7 litres and 180 millilitres","7 litres and 800 millilitres","7 litres and 8 millilitres","7 litres and 280 millilitres"],"correct_index":3,"solution":null,"hints":[]},{"id":7305,"type":1,"question":"A box measures 40 cm × 25 cm × 20 cm.\r\nIt is to be completely filled with identical cubes of side 5 cm.\r\nHow many cubes can fit in the box?","answers":["100","160","200","150"],"correct_index":1,"solution":null,"hints":[]},{"id":7306,"type":1,"question":"A cube and a cuboid have the same volume.\r\nThe cube has a side of 8 cm, while the cuboid’s base measures 16 cm × 4 cm.\r\nFind the height of the cuboid.","answers":["10 cm","12 cm","8 cm","11 cm"],"correct_index":2,"solution":null,"hints":[]},{"id":7308,"type":1,"question":"Which of the following is not an isosceles triangle?","answers":["Equilateral triangle","Triangle with 2 equal sides","Triangle with 2 equal angles","Triangle with angles 30, 40 and 110 degrees"],"correct_index":3,"solution":null,"hints":[]},{"id":7310,"type":1,"question":"Which of the following is not true about equilateral triangles?","answers":["All 3 sides are of equal length","All 3 angles are the same","Each angle is 60 degrees","1 angle is 90 degrees"],"correct_index":3,"solution":null,"hints":[]},{"id":7311,"type":1,"question":"Which is true about Isosceles triangle ?","answers":["All 3 sides must be of equal length","All 3 angles must be the same","2 angles must be equal","All 3 angles must be different"],"correct_index":2,"solution":null,"hints":[]},{"id":7312,"type":1,"question":"Which of the following is true about Isosceles triangle?","answers":["All 3 angles must be the same","2 sides are of the same length","All sides are of different length","Must have a right angle"],"correct_index":1,"solution":null,"hints":[]},{"id":7313,"type":1,"question":"Which is true about right-angled triangle?","answers":["All sides must have same length","All sides must have different length","1 and only 1 angle is 90 degrees","All 3 angles must be different"],"correct_index":2,"solution":null,"hints":[]},{"id":7314,"type":1,"question":"Which is true about equilateral triangles?","answers":["All angles must be equal","Only 2 sides must be of equal length","All angles can be different","1 angle must be 90 degree"],"correct_index":0,"solution":null,"hints":[]},{"id":7315,"type":1,"question":"Which is true about equilateral triangles?","answers":["The sum of angles in an equilateral triangle is 360 degree","Only 2 angles need to be equal","Only 2 sides need to be of the same length","All angles must be equal to 60 degrees"],"correct_index":3,"solution":null,"hints":[]},{"id":7316,"type":1,"question":"Which is true about equilateral triangles?","answers":["1 angle must be 90 degrees","All angles can be different","All sides must be of the same length","Only 2 sides need to be of equal length"],"correct_index":2,"solution":null,"hints":[]},{"id":7320,"type":1,"question":"Find $$ \\angle WYZ $$","answers":["60","72","52","54"],"correct_index":3,"solution":null,"hints":[]},{"id":7325,"type":1,"question":"Find $$\\angle y$$","answers":["100","110","120","105"],"correct_index":1,"solution":null,"hints":[]},{"id":7328,"type":1,"question":"Find $$\\angle TQR$$.","answers":["60","53","54","50"],"correct_index":2,"solution":null,"hints":[]},{"id":7369,"type":2,"question":"Fill in the blanks: , , 90012, 89512, 89012","answers":["91012","90512","",""],"correct_index":0,"solution":null,"hints":[]},{"id":7371,"type":2,"question":"Fill in the gaps: 64000, , 63500, , 63000","answers":["63750","63250","",""],"correct_index":0,"solution":null,"hints":[]},{"id":7385,"type":2,"question":"List the 3 largest factors of this number. Start with the largest. 42: ","answers":["42","21","14",""],"correct_index":0,"solution":null,"hints":[]},{"id":7389,"type":1,"question":"Which of the following numbers is not a factor of 36?","answers":["5","6","2","36"],"correct_index":0,"solution":null,"hints":[]},{"id":7411,"type":1,"question":"Which of these has a remainder of 1 when divided?","answers":["5678 ÷ 8","432 ÷ 5","3456 ÷ 3","7891 ÷ 7"],"correct_index":3,"solution":null,"hints":[]},{"id":7413,"type":1,"question":"Find the division that results in a remainder of 1.","answers":["8765 ÷ 5","654 ÷ 2","3210 ÷ 4","4321 ÷ 3"],"correct_index":3,"solution":null,"hints":[]},{"id":7417,"type":1,"question":"What division problem results in 427?","answers":["1715 ÷ 4","1287 ÷ 3","3410 ÷ 8","2989 ÷ 7"],"correct_index":3,"solution":null,"hints":[]},{"id":7421,"type":1,"question":"Find the division that results in a remainder of 1.","answers":["1234 ÷ 2","5678 ÷ 5","4321 ÷ 3","9876 ÷ 9"],"correct_index":2,"solution":null,"hints":[]},{"id":7423,"type":1,"question":"Which division gives a remainder of 1?","answers":["4565 ÷ 6","2345 ÷ 5","6789 ÷ 4","8901 ÷ 3"],"correct_index":2,"solution":null,"hints":[]},{"id":7445,"type":1,"question":"What is the decimal quotient for 2 ÷ 5 ?","answers":["0.5","0.4","0.3","0.2"],"correct_index":1,"solution":null,"hints":[]},{"id":7446,"type":1,"question":"What is 4 ÷ 20 = ?","answers":["0.1","0.2","0.25","0.3"],"correct_index":1,"solution":null,"hints":[]},{"id":7447,"type":1,"question":"Find the decimal quotient for 30 ÷ 120.","answers":["0.2","0.25","0.3","0.35"],"correct_index":1,"solution":null,"hints":[]},{"id":7448,"type":1,"question":"What is 28 ÷ 1000 ?","answers":["0.28","0.028","0.0028","2.8"],"correct_index":1,"solution":null,"hints":[]},{"id":7449,"type":1,"question":"What is 25 ÷ 2 ?","answers":["12.0","12.2","12.5","13.5"],"correct_index":2,"solution":null,"hints":[]},{"id":7458,"type":1,"question":"What is 45 ÷ 1000 ?","answers":["4.5","0.45","0.045","0.0045"],"correct_index":2,"solution":null,"hints":[]},{"id":7460,"type":1,"question":"What is 1 ÷ 8 ?","answers":["0.250","0.125","0.128","0.256"],"correct_index":1,"solution":null,"hints":[]},{"id":7461,"type":1,"question":"What is 128 ÷ 5 ?","answers":["26.5","26.6","25.6","25.8"],"correct_index":2,"solution":null,"hints":[]},{"id":7467,"type":1,"question":"Find 1080 ÷ 50.","answers":["20.6","22.6","21.6","21.5"],"correct_index":2,"solution":null,"hints":[]},{"id":7468,"type":1,"question":"What is 1210 ÷ 80 ?","answers":["15.150","15.125","15.124","16.125"],"correct_index":1,"solution":null,"hints":[]},{"id":7469,"type":1,"question":"What is 45 ÷ 125 ?","answers":["0.56","0.46","0.26","0.36"],"correct_index":3,"solution":null,"hints":[]},{"id":7470,"type":1,"question":"Round 12.2378 to 3 decimal places.","answers":["12.237","12.230","12.238","12.2370"],"correct_index":2,"solution":null,"hints":[]},{"id":7471,"type":1,"question":"Round 124.456 to 2 decimal places.","answers":["124.460","124.46","124.00","124.45"],"correct_index":1,"solution":null,"hints":[]},{"id":7472,"type":2,"question":"Express 12.1499 to 1 decimal place. Answer : ","answers":["12.1",null,null,null],"correct_index":1,"solution":null,"hints":[]},{"id":7492,"type":1,"question":"Round 12.950 to 1 decimal place.","answers":["12.91","13.0","12.95","12.9"],"correct_index":1,"solution":null,"hints":[]},{"id":7495,"type":1,"question":"Round 12.1999 to 3 decimal places.","answers":["12.199","12.190","12.200","12.290"],"correct_index":2,"solution":null,"hints":[]},{"id":7498,"type":1,"question":"Express using the 24-hour clock, 8.45 pm is?","answers":["0845","1845","2045","2145"],"correct_index":2,"solution":null,"hints":[]},{"id":7499,"type":1,"question":"Express using the 24-hour clock, 7.05 am is?","answers":["1705","705","0705","1905"],"correct_index":2,"solution":null,"hints":[]},{"id":7505,"type":1,"question":"What is 9.05am in the 24-hour clock?","answers":["1905","0905","0305","905"],"correct_index":1,"solution":null,"hints":[]},{"id":7511,"type":1,"question":"Change 2215 (24-hour notation) to 12-hour clock notation.","answers":["2.15 am","12.15 pm","10.15 pm","12.15 am"],"correct_index":2,"solution":null,"hints":[]},{"id":7512,"type":1,"question":"Change 0000 (24-hour notation) to 12-hour clock notation.","answers":["12.00 pm","12.00 am","10.00 am","10.00 pm"],"correct_index":1,"solution":null,"hints":[]},{"id":7513,"type":1,"question":"Change 1200 (24-hour notation) to 12-hour clock notation.","answers":["12.00 am","12.00 pm","2.00 am","2.00 pm"],"correct_index":1,"solution":null,"hints":[]},{"id":7514,"type":1,"question":"Change 0600 (24-hour notation) to 12-hour clock notation.","answers":["6.00 am","6.00 pm","4.00 am","4.00 pm"],"correct_index":0,"solution":null,"hints":[]},{"id":7545,"type":1,"question":"The perimeter of a square is 36 cm. Find the length of a side and its area.","answers":["6 cm and 36 $$cm^2$$","9 cm and 81 $$cm^2$$","8 cm and 64 $$cm^2$$","6 cm and 32 $$cm^2$$"],"correct_index":1,"solution":null,"hints":[]},{"id":7546,"type":1,"question":"A square field has an area of 81 m². What is the length of a side and its perimeter ?","answers":["9 m and 36 m","8 m and 32 m","9 m and 32 m","9m and 30 m"],"correct_index":0,"solution":null,"hints":[]},{"id":7547,"type":1,"question":"A square has sides that are 2.5 m long. Find its area and perimeter.","answers":["6.25 $$m^2$$ and 10 m","6.25 $$m^2$$ and 12 m","5.25 $$m^2$$ and 10 m","6.15 $$m^2$$ and 10 m"],"correct_index":0,"solution":null,"hints":[]},{"id":7548,"type":1,"question":"The length of a rectangle is 2 times its width.\r\nIf the perimeter is 42 cm, find its length and area.","answers":["16 cm and 98 $$cm^2$$","14 cm and 96 $$cm^2$$","14 cm and 108 $$cm^2$$","14 cm and 98 $$cm^2$$"],"correct_index":3,"solution":null,"hints":[]},{"id":7549,"type":1,"question":"A rectangle has a length of 12 cm and width of 8 cm. Find its area and its perimeter","answers":["94 $$cm^2$$ and 40 cm","92 $$cm^2$$ and 40 cm","96 $$cm^2$$ and 40 cm","96 $$cm^2$$ and 48 cm"],"correct_index":2,"solution":null,"hints":[]},{"id":7550,"type":1,"question":"A rectangular garden has an area of 96 m² and a width of 8 m. Find: its length and its perimeter.","answers":["12 m and 78 m","10 m and 80 m","12 m and 82 m","12 m and 80 m"],"correct_index":3,"solution":null,"hints":[]},{"id":7551,"type":1,"question":"A rectangular garden is 5 m longer than it is wide.\r\nIf the perimeter is 50 m, find: the length and the area of the garden.","answers":["14 cm and 150 $$cm^2$$","16 cm and 150 $$cm^2$$","15 cm and 150 $$cm^2$$","16 cm and 160 $$cm^2$$"],"correct_index":2,"solution":null,"hints":[]},{"id":7569,"type":2,"question":"In numerals, three thousand, five hundred and sixty-nine is ","answers":["3569",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":7570,"type":2,"question":"In numerals, four thousand, four hundred and sixty-six is .","answers":["4466",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":7578,"type":2,"question":"Calculate: 6 ÷ $$\\frac{3}{7}$$ = ","answers":["14","","",""],"correct_index":0,"solution":null,"hints":[]},{"id":7579,"type":2,"question":"What is 60 ÷ $$\\frac{3}{11}$$ ? Answer = ","answers":["220","","",""],"correct_index":0,"solution":null,"hints":[]},{"id":7581,"type":2,"question":"Solve \\(\\dfrac{3}{4}\\) ÷ \\(\\dfrac{1}{2}\\). Express your answer in the form \\(\\dfrac{a}{b}\\) where a = and b = .","answers":["3","2",null,null],"correct_index":null,"solution":null,"hints":[]},{"id":7583,"type":1,"question":"The ratio of Ali’s savings to Ben’s savings is 5 : 2.\r\nHow many times larger are Ali’s savings compared to Ben’s?","answers":["A) 2 times","2.5 times","3 times","2.2 times"],"correct_index":1,"solution":null,"hints":[]},{"id":7584,"type":1,"question":"The ratio of the length of a garden to its width is 7 : 3.\r\nHow many times is the garden longer than it is wide?","answers":["2.1 times","2.5 times","2.33 times","2.7 times"],"correct_index":2,"solution":null,"hints":[]},{"id":7585,"type":1,"question":"A car travels 180 km while a motorcycle travels 60 km in the same time.\r\nFind how many times farther the car travels.","answers":["4","2.5","3","2"],"correct_index":2,"solution":null,"hints":[]},{"id":7586,"type":1,"question":"The ratio of the number of apples to oranges in a basket is 9 : 4.\r\nHow many times as many apples as oranges are there?","answers":["2","2.25","3","2.5"],"correct_index":1,"solution":null,"hints":[]},{"id":7587,"type":1,"question":"A bottle contains 600 ml of juice and another contains 200 ml.\r\nHow many times is the larger amount compared to the smaller?","answers":["2","3","2,5","4"],"correct_index":1,"solution":null,"hints":[]},{"id":7588,"type":1,"question":"The ratio of two quantities is 3 : 5.\r\nIf the smaller quantity is 24, find the larger quantity and how many times larger it is.","answers":["Larger is 40 and it is $$\\frac{5}{3}$$ times the smaller.","Larger is 30 and it is $$\\frac{5}{3}$$ times the smaller.","Larger is 38 and it is $$\\frac{5}{3}$$ times the smaller.","Larger is 40 and it is $$\\frac{8}{3}$$ times the smaller."],"correct_index":0,"solution":null,"hints":[]},{"id":7589,"type":1,"question":"The ratio of A’s mass to B’s mass is 7 : 2.\r\nIf B’s mass is 40 kg, find A’s mass and how many times heavier A is than B.","answers":["130 kg; 3.5 times","140 kg; 3.5 times","140 kg; 3 times","138 kg; 3.5 times"],"correct_index":1,"solution":null,"hints":[]},{"id":7592,"type":1,"question":"The ratio of Sara’s books to Tom’s books is 15 : 10. How many times larger are Sara’s books compared to Tom’s?","answers":["A) 1.5 times","2 times","3 times","2.5 times"],"correct_index":0,"solution":null,"hints":[]},{"id":7601,"type":1,"question":"The ratio of the speed of Train P to Train Q is 5 : 8.\r\nFind how many times faster Train Q is than Train P.","answers":["1.4","1.6","1.7","1.8"],"correct_index":1,"solution":null,"hints":[]},{"id":7602,"type":1,"question":"Express 8 as a fraction of 20.","answers":["$$\\frac{3}{8}$$","$$\\frac{5}{8}$$","$$\\frac{3}{5}$$","$$\\frac{2}{5}$$"],"correct_index":3,"solution":null,"hints":[]},{"id":7603,"type":1,"question":"Express 15 cm as a fraction of 60 cm.","answers":["$$\\frac{3}{12}$$","$$\\frac{1}{4}$$","$$\\frac{3}{10}$$","$$\\frac{5}{18}$$"],"correct_index":1,"solution":null,"hints":[]},{"id":7604,"type":1,"question":"Express 9$cm^2$ as a fraction of 27$cm^2$.","answers":["$$\\frac{1}{3}$$","$$\\frac{2}{5}$$","$$\\frac{3}{5}$$","$$\\frac{2}{3}$$"],"correct_index":0,"solution":null,"hints":[]},{"id":7605,"type":1,"question":"Express 12 minutes as a fraction of 1 hour.","answers":["$$\\frac{2}{5}$$","$$\\frac{1}{5}$$","$$\\frac{1}{12}$$","$$\\frac{1}{6}$$"],"correct_index":1,"solution":null,"hints":[]},{"id":7606,"type":1,"question":"Express 6 cm as a fraction of 2 m.","answers":["$$\\frac{6}{100}$$","$$\\frac{3}{100}$$","$$\\frac{2}{100}$$","$$\\frac{3}{50}$$"],"correct_index":1,"solution":null,"hints":[]},{"id":7607,"type":1,"question":"Express 750 mL as a fraction of 2 L.","answers":["$$\\frac{5}{12}$$","$$\\frac{3}{10}$$","$$\\frac{5}{8}$$","$$\\frac{3}{8}$$"],"correct_index":3,"solution":null,"hints":[]},{"id":7638,"type":1,"question":"A bus travels a route of unknown length. It drives the first half at 50 km/h, the next quarter at 40 km/h, and the final quarter at 80 km/h. Total time is 3 h. Find the total distance in km..","answers":["154.84","155.78","150.78","151.00"],"correct_index":0,"solution":null,"hints":[]},{"id":7643,"type":1,"question":"Alice runs 300 m in 60 s. Bella runs 360 m in 60 s. If they start together on a 1 km track and run at the speed mentioned earlier, how long will it take for Bella to lead by exactly 100 m?","answers":["2 min","1$$\\frac{2}{3}$$ min","1$$\\frac{4}{5}$$ min","2$$\\frac{1}{8}$$ min"],"correct_index":1,"solution":null,"hints":[]},{"id":7644,"type":1,"question":"Car A leaves Town X for Town Y at 80 km/h. At the same time, Car B leaves Town Y for Town X at 60 km/h. They meet after 2 hours. How far apart are the towns?","answers":["260 km","250 km","280 km","290 km"],"correct_index":2,"solution":null,"hints":[]},{"id":7682,"type":1,"question":"The circumference of a circle is 88cm. Find its area (in cm2).","answers":["528.3","608.4","616.3","626.3"],"correct_index":2,"solution":null,"hints":[]},{"id":7686,"type":1,"question":"Find the circumference of a circle with area of 154 $cm^2$.","answers":["40cm","42cm","44cm","46cm"],"correct_index":2,"solution":null,"hints":[]},{"id":7687,"type":1,"question":"A circle has area of 81π $cm^2$. What is its circumference in cm?","answers":["15π","18π","20π","22π"],"correct_index":1,"solution":null,"hints":[]},{"id":7688,"type":1,"question":"A circle has area of 144π $cm^2$. What is its circumference in cm?","answers":["16π","24π","20π","18π"],"correct_index":1,"solution":null,"hints":[]},{"id":7689,"type":1,"question":"A circle has area of 36π $cm^2$. What is its circumference in cm?","answers":["15π","12π","10π","18π"],"correct_index":1,"solution":null,"hints":[]},{"id":7690,"type":1,"question":"A circle has area of 121π $cm^2$. What is its circumference in cm?","answers":["21π","23π","24π","22π"],"correct_index":3,"solution":null,"hints":[]},{"id":7710,"type":2,"question":"Fill in the blank: + 7 = 15.","answers":["8",null,null,null],"correct_index":1,"solution":null,"hints":[]},{"id":7711,"type":2,"question":"Fill in the blank: + 4 = 11.","answers":["7",null,null,null],"correct_index":2,"solution":null,"hints":[]},{"id":7712,"type":2,"question":"Fill in the blank: 6 + = 15","answers":["9",null,null,null],"correct_index":3,"solution":null,"hints":[]},{"id":7713,"type":2,"question":"Fill in the blank: 7 + = 15.","answers":["8",null,null,null],"correct_index":2,"solution":null,"hints":[]},{"id":7715,"type":2,"question":"Fill in the blank: - 4 = 6.","answers":["10",null,null,null],"correct_index":2,"solution":null,"hints":[]},{"id":7734,"type":1,"question":"What is 8 + 8 + 9 ?","answers":["24","25","26","27"],"correct_index":1,"solution":null,"hints":[]},{"id":7787,"type":1,"question":"7200 = _______ hundreds","answers":["70","72","720","7200"],"correct_index":1,"solution":null,"hints":[]},{"id":7808,"type":1,"question":"How many hundreds are there in 3600 ?","answers":["36","360","3.6","3600"],"correct_index":0,"solution":null,"hints":[]},{"id":7817,"type":1,"question":"In words, 940 is ?","answers":["Nine hundred and fourteen","Ninety-four","Nine hundred and forty","Nine forty"],"correct_index":2,"solution":null,"hints":[]},{"id":7823,"type":1,"question":"In words, 344 is ?","answers":["Three hundred and forty","Three hundred and four","Three hundred and fourty","Three hundred and forty-four"],"correct_index":3,"solution":null,"hints":[]},{"id":7829,"type":1,"question":"What is seven hundred and forty-nine in numerals ?","answers":["745","704","749","740"],"correct_index":2,"solution":null,"hints":[]},{"id":7851,"type":1,"question":"Find the missing numbers in the sequence. _____, 402, 412, 422, 432, _____","answers":["392, 452","401, 441","392, 442","None of the above"],"correct_index":2,"solution":null,"hints":[]},{"id":7891,"type":1,"question":"Which of these fractions is the biggest?","answers":["$$\\frac{1}{3}$$","$$\\frac{1}{6}$$","$$\\frac{1}{4}$$","$$\\frac{1}{5}$$"],"correct_index":0,"solution":null,"hints":[]},{"id":7907,"type":1,"question":"Which fraction is the greatest among these?","answers":["$$\\frac{3}{5}$$","$$\\frac{1}{5}$$","$$\\frac{2}{5}$$","$$\\frac{4}{5}$$"],"correct_index":3,"solution":null,"hints":[]},{"id":7908,"type":1,"question":"Which fraction is the largest?","answers":["$$\\frac{1}{5}$$","$$\\frac{1}{8}$$","$$\\frac{1}{9}$$","$$\\frac{1}{3}$$"],"correct_index":3,"solution":null,"hints":[]},{"id":7909,"type":1,"question":"Identify the greatest fraction from the list.","answers":["$$\\frac{3}{4}$$","$$\\frac{1}{5}$$","$$\\frac{2}{3}$$","$$\\frac{1}{6}$$"],"correct_index":0,"solution":null,"hints":[]},{"id":7910,"type":1,"question":"Which of these fractions is the largest?","answers":["$$\\frac{1}{2}$$","$$\\frac{1}{3}$$","$$\\frac{1}{4}$$","$$\\frac{1}{5}$$"],"correct_index":0,"solution":null,"hints":[]},{"id":7911,"type":1,"question":"Select the largest fraction from the options.","answers":["$$\\frac{1}{7}$$","$$\\frac{1}{5}$$","$$\\frac{1}{2}$$","$$\\frac{1}{11}$$"],"correct_index":2,"solution":null,"hints":[]},{"id":7912,"type":1,"question":"Find the largest fraction among these choices.","answers":["$$\\frac{1}{10}$$","$$\\frac{1}{7}$$","$$\\frac{1}{9}$$","\\(\\dfrac{1}{6}\\)"],"correct_index":3,"solution":null,"hints":[]},{"id":7953,"type":1,"question":"Which amount of money is the largest?","answers":["$3","$6.25","750¢","$5"],"correct_index":2,"solution":null,"hints":[]},{"id":7968,"type":1,"question":"480 cents is the same as ?","answers":["$48","$4.8","$0.48","$480"],"correct_index":1,"solution":null,"hints":[]},{"id":7969,"type":1,"question":"560 cents is the same as ?","answers":["$56","$5.6","$0.56","$560"],"correct_index":1,"solution":null,"hints":[]},{"id":7971,"type":1,"question":"\\(\\$3.08\\) is the same as which of the following?","answers":["30 cents","3 cents","308 cents","3080 cents"],"correct_index":2,"solution":null,"hints":[]},{"id":8019,"type":1,"question":"A cat's mass is 5 ____.","answers":["kg","g","",""],"correct_index":0,"solution":null,"hints":[]},{"id":8027,"type":1,"question":"The height of the classroom door is 2.1 ___ .","answers":["m","cm",null,null],"correct_index":0,"solution":null,"hints":[]},{"id":8078,"type":1,"question":"Which is the same as 6405?","answers":["6000 + 40 + 5","5405 + 1000","6040 + 5","4000 + 600 + 5"],"correct_index":1,"solution":null,"hints":[]},{"id":8082,"type":1,"question":"What is another way to express 9104?","answers":["9000 + 100 + 40","8000 + 1100 + 4","9000 + 200 + 4","7000 + 2000 + 4"],"correct_index":0,"solution":null,"hints":[]},{"id":8084,"type":1,"question":"Which of the following is equal to 8569 ?","answers":["6000 + 2000 + 60 + 9","7400 + 100 + 60 + 9","7000 + 1500 + 60 + 9","8500 + 9"],"correct_index":2,"solution":null,"hints":[]},{"id":8086,"type":1,"question":"Which of the following represents the number 5832?","answers":["4000 + 1800 + 30 + 2","6000 + 700 + 30 + 2","5800 + 32","5000 + 800 + 20 + 3"],"correct_index":0,"solution":null,"hints":[]},{"id":8088,"type":1,"question":"Which option shows the number 6721 correctly?","answers":["6000 + 700 + 20 + 1","6000 + 600 + 120 + 1","6700 + 21","All of the above"],"correct_index":3,"solution":null,"hints":[]},{"id":8109,"type":1,"question":"In words, what is seven thousand, six hundred and thirty-three?","answers":["7630","7633","6733","7363"],"correct_index":1,"solution":null,"hints":[]},{"id":8168,"type":2,"question":"Fill in the missing numbers: 5110, , , 5140, 5150.","answers":["5120","5130","",""],"correct_index":0,"solution":null,"hints":[]},{"id":8169,"type":2,"question":"Complete the sequence: 7800, 7810, , , 7840.","answers":["7820","7830","",""],"correct_index":0,"solution":null,"hints":[]},{"id":8170,"type":2,"question":"Find the missing numbers: 3500, 3520, , 3560, .","answers":["3540","3580","",""],"correct_index":0,"solution":null,"hints":[]},{"id":8171,"type":2,"question":"Complete the pattern: 4200, 4250, , 4350, .","answers":["4300","4400","",""],"correct_index":0,"solution":null,"hints":[]},{"id":8172,"type":2,"question":"Fill in the blanks: 6000, 6005, , 6015, .","answers":["6010","6020","",""],"correct_index":0,"solution":null,"hints":[]},{"id":8175,"type":2,"question":"Fill in the blanks: 3000, 3100, 3200, , 3400, .","answers":["3300","3500","",""],"correct_index":0,"solution":null,"hints":[]},{"id":8182,"type":2,"question":"Fill in the missing numbers: 4001, 4301, 4601, , , .","answers":["4901","5201","5501",""],"correct_index":0,"solution":null,"hints":[]},{"id":8185,"type":2,"question":"Find the missing numbers in this pattern: 605, 1005, 1405, , , .","answers":["1805","2205","2605",""],"correct_index":0,"solution":null,"hints":[]},{"id":8186,"type":2,"question":"Complete this number sequence: 1705, 2205, 2705, , , .","answers":["3205","3705","4205",""],"correct_index":0,"solution":null,"hints":[]},{"id":8188,"type":2,"question":"Fill in the missing numbers: 2020, , , 2320, 2420, ","answers":["2120","2220","2520",null],"correct_index":0,"solution":null,"hints":[]},{"id":8189,"type":2,"question":"Complete the number series: 4780, , 4980, 5080, ","answers":["4880","5180",null,null],"correct_index":0,"solution":null,"hints":[]},{"id":8190,"type":2,"question":"Fill in the gaps: 6200, 6600, , 7400, ","answers":["7000","7800",null,null],"correct_index":0,"solution":null,"hints":[]},{"id":8191,"type":2,"question":"Complete this pattern: 8100, 8200, , 8400, 8500, ","answers":["8300","8600",null,null],"correct_index":0,"solution":null,"hints":[]},{"id":8192,"type":2,"question":"Complete the sequence: 9100, 9200, , 9400, 9500, ","answers":["9300","9600",null,null],"correct_index":0,"solution":null,"hints":[]},{"id":8193,"type":2,"question":"Fill in the missing numbers: 2250, , , 2850, 3050, ","answers":["2450","2650","3250",""],"correct_index":0,"solution":null,"hints":[]},{"id":8194,"type":2,"question":"Complete the pattern: 4520, 4420, , , 4120, 4020","answers":["4320","4240","",""],"correct_index":0,"solution":null,"hints":[]},{"id":8195,"type":2,"question":"Fill in the blanks: 5500, 5400, , 5200, , 5000","answers":["5300","5100","",""],"correct_index":0,"solution":null,"hints":[]},{"id":8196,"type":2,"question":"Complete this number series: 7180, 7080, , 6880, ","answers":["6980","6780","",""],"correct_index":0,"solution":null,"hints":[]},{"id":8198,"type":2,"question":"Fill in the missing numbers: 2780, , 1780, , 780, 280","answers":["2280","1280","",""],"correct_index":0,"solution":null,"hints":[]},{"id":8199,"type":2,"question":"Complete the sequence: 5500, , 5100, , 4700, 4500","answers":["5300","4900","",""],"correct_index":0,"solution":null,"hints":[]},{"id":8200,"type":2,"question":"Find the missing numbers: 820, , 780, , 740, 720.","answers":["800","760","",""],"correct_index":0,"solution":null,"hints":[]},{"id":8201,"type":2,"question":"Complete this number pattern: 3000, , 2200, , 1400, 1000","answers":["2600","1800","",""],"correct_index":0,"solution":null,"hints":[]},{"id":8202,"type":2,"question":"Fill in the blanks: 6600, , 5600, , 4600, 4100.","answers":["6100","5100","",""],"correct_index":0,"solution":null,"hints":[]},{"id":8203,"type":2,"question":"Fill in the missing numbers: 6105, 5105, 4105, , , .","answers":["3105","2105","1105",""],"correct_index":0,"solution":null,"hints":[]},{"id":8204,"type":2,"question":"Complete the number sequence: 3605, 3305, 3005, , , .","answers":["2705","2405","2105",""],"correct_index":0,"solution":null,"hints":[]},{"id":8206,"type":2,"question":"Complete this pattern: 2805, 2605, 2405, , , .","answers":["2205","2005","1805",""],"correct_index":0,"solution":null,"hints":[]},{"id":8207,"type":2,"question":"Fill in the sequence: 3900, 3500, 3100, , , .","answers":["2700","2300","1900",""],"correct_index":0,"solution":null,"hints":[]},{"id":8208,"type":2,"question":"Complete the number series: 2208, 2108, 2008, , , .","answers":["1908","1808","1708",""],"correct_index":0,"solution":null,"hints":[]},{"id":8209,"type":2,"question":"Fill in the missing numbers: 4425, 3925, 3425, , , .","answers":["2925","2425","1925",""],"correct_index":0,"solution":null,"hints":[]},{"id":8210,"type":2,"question":"Complete this sequence: 5500, 5000, 4500, , , .","answers":["4000","3500","3000",""],"correct_index":0,"solution":null,"hints":[]},{"id":8227,"type":2,"question":"Fill in the blanks: 8, 16, , 32, 40, ","answers":["24","48",null,null],"correct_index":0,"solution":null,"hints":[]},{"id":8237,"type":2,"question":"Find the quotient and the remainder when 27 is divided by 5. Quotient : Remainder : ","answers":["5","2",null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8238,"type":1,"question":"When 35 is divided by 8, what is the quotient and remainder ?","answers":["quotient = 4, remainder = 4","quotient = 3, remainder = 4","quotient = 4, remainder = 3","quotient = 4, remainder = 5"],"correct_index":2,"solution":null,"hints":[]},{"id":8253,"type":1,"question":"Quotient is 6 and remainder is 2 when a number is divided by 7. What is that number ?","answers":["40","43","44","45"],"correct_index":2,"solution":null,"hints":[]},{"id":8382,"type":2,"question":"Tank A contains 4 times as much water as Tank B. Tank C contains 150 litres less than Tank A. The total amount of water in all three tanks is 1350 litres. How much water is in Tank B? \r\nAnswer: litres","answers":["170","0","0","0"],"correct_index":3,"solution":null,"hints":[]},{"id":8386,"type":1,"question":"3 h 20 min + 1 h 45 min = ___ h ___ min \r\nHours: \r\nMinutes: ","answers":["5","5","0","0"],"correct_index":0,"solution":null,"hints":[]},{"id":8541,"type":2,"question":"In 45782, the digit is in the thousands place.","answers":["5",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8542,"type":2,"question":"In 63491, the digit is in the thousands place.","answers":["3",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8543,"type":2,"question":"In 91256, the digit is in the thousands place.","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8544,"type":2,"question":"In 52874, the digit is in the ten thousands place.","answers":["5",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8545,"type":2,"question":"In 78109, the digit is in the thousands place.","answers":["8",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8546,"type":2,"question":"In 45892, the digit 4 stands for 4 × ","answers":["10000",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8547,"type":2,"question":"In 62473, the digit 6 stands for 6 × ","answers":["10000",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8548,"type":2,"question":"In 91526, the digit 1 stands for 1 × ","answers":["1000",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8549,"type":2,"question":"In 38764, the digit 3 stands for 3 × ","answers":["10000",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8550,"type":2,"question":"In 57218, the digit 2 stands for 2 × .","answers":["100",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8551,"type":2,"question":"In 47385, the digit 4 stands for .","answers":["40000",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8552,"type":2,"question":"In 63912, the digit 6 stands for ","answers":["60000",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8553,"type":2,"question":"In 81547, the digit 8 stands for ","answers":["80000",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8554,"type":2,"question":"In 29604, the digit 9 stands for ","answers":["9000",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8555,"type":2,"question":"In 35728, the digit 5 stands for ","answers":["5000",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8556,"type":2,"question":"23647 = 20000 + + 7","answers":["3640",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8557,"type":2,"question":"45892 = 40000 + + 2","answers":["5890",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8558,"type":2,"question":"67213 = 60000 + + 3","answers":["7210",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8559,"type":2,"question":"81756 = 80000 + + 6","answers":["1750",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8560,"type":2,"question":"30000 + 6000 + 400 + 50 + 8 = ","answers":["36458",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8561,"type":2,"question":"50000 + 2000 + 700 + 30 + 5 = ","answers":["52735",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8562,"type":2,"question":"70000 + 4000 + 100 + 60 + 9 = ","answers":["74169",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8563,"type":2,"question":"80000 + 1000 + 500 + 20 + 4 = ","answers":["81524",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8564,"type":2,"question":"90000 + 3000 + 800 + 70 + 2 = ","answers":["93872",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8565,"type":2,"question":"60000 + 8000 + 900 + 70 + 8 = ","answers":["68978",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8566,"type":1,"question":"Write the number in words. 45821","answers":["Four hundred and fifty-eight thousand and twenty-one","Forty-five hundred and twenty-one","Four hundred and fifty thousand and twenty-one","Forty-five thousand, eight hundred and twenty-one"],"correct_index":3,"solution":null,"hints":[]},{"id":8568,"type":1,"question":"Write the number in words : 83159.","answers":["Eight hundred and thirty-one thousand and fifty-nine","Eighty-three hundred and fifty-nine","Eight hundred and thirty thousand and fifty-nine","Eighty-three thousand, one hundred and fifty-nine"],"correct_index":3,"solution":null,"hints":[]},{"id":8570,"type":1,"question":"Write the number in words : 61728 ","answers":["Six hundred and seventeen thousand and twenty-eight","Sixty-one hundred and twenty-eight","Six hundred and ten thousand and twenty-eight","Sixty-one thousand, seven hundred and twenty-eight"],"correct_index":3,"solution":null,"hints":[]},{"id":8576,"type":1,"question":"Write the number in words : 54218 ","answers":["Five hundred and forty-two thousand and eighteen","Fifty-four thousand, two hundred and eighteen","Five hundred and four thousand and eighteen","Fifty-four hundred and eighteen"],"correct_index":1,"solution":null,"hints":[]},{"id":8581,"type":2,"question":"Sixty-three thousand, four hundred and twenty-seven is in numerals.","answers":["63427",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8582,"type":2,"question":"Forty-eight thousand, nine hundred and sixteen is in numerals.","answers":["48916",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8583,"type":2,"question":"Seventy-two thousand, five hundred and thirty-four is in numerals.","answers":["72534",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8584,"type":2,"question":"Eighty-nine thousand, two hundred and sixty-five is in numerals.","answers":["89265",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8585,"type":2,"question":"Thirty-six thousand, seven hundred and ninety-eight is in numerals.","answers":["36798",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8586,"type":2,"question":"Thirty thousand, six hundred and ninety-eight is in numerals.","answers":["30698",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8587,"type":2,"question":"Forty-three thousand, six hundred and twelve = in numerals.","answers":["43612",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8588,"type":2,"question":"Sixty-seven thousand, two hundred and ninety-five = in numerals.","answers":["67295",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8589,"type":2,"question":"Eighty-two thousand, four hundred and seven = in numerals. ","answers":["82407",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8590,"type":2,"question":"Thirty-nine thousand, five hundred and sixty-three = in numerals.","answers":["39563",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8591,"type":2,"question":"Seventy-four thousand, one hundred and twenty-eight = in numerals.","answers":["74128",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8592,"type":2,"question":"Forty-three thousand, six hundred and seventy-two is in numerals. ","answers":["43672",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8593,"type":2,"question":"Sixty-seven thousand, two hundred and ninety-five is in numerals.","answers":["67295",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8594,"type":2,"question":"Eighty-two thousand, four hundred and thirteen is in numerals. ","answers":["82413",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8595,"type":2,"question":"Thirty-nine thousand, five hundred and sixty-eight is in numerals.","answers":["39568",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8596,"type":2,"question":"Seventy-four thousand, one hundred and twenty-nine is in numerals.","answers":["74129",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8597,"type":2,"question":"Forty-three thousand, six hundred and twenty-seven is in numerals.","answers":["43627",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8598,"type":2,"question":"Sixty-eight thousand, four hundred and nineteen is in numerals.","answers":["68419",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8599,"type":2,"question":"Seventy-two thousand, three hundred and fifty-four is in numerals.","answers":["72354",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8600,"type":2,"question":"Eighty-nine thousand, two hundred and six is in numerals.","answers":["89206",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8601,"type":2,"question":"Ninety-four thousand, five hundred and eighty-three is in numerals.","answers":["94583",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8622,"type":2,"question":"Sixty-three thousand, four hundred and seven is in numerals.","answers":["63407",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8623,"type":2,"question":"Forty-two thousand, nine hundred and fifteen is in numerals.","answers":["42915",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8624,"type":2,"question":"Seventy-eight thousand, two hundred and thirty-six is in numerals.","answers":["78236",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8625,"type":2,"question":"Eighty-one thousand, five hundred and sixty-four is in numerals.","answers":["81564",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8626,"type":2,"question":"Ninety-four thousand, three hundred and twenty-nine is in numerals.","answers":["94329",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8627,"type":2,"question":"Ninety-five thousand, three hundred and twelve is in numerals.","answers":["95312",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8628,"type":2,"question":"Forty-three thousand, six hundred and twenty-seven is in numerals.","answers":["43627",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8629,"type":2,"question":"Sixty-eight thousand, two hundred and ninety-five is in numerals.","answers":["68295",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8630,"type":2,"question":"Seventy-two thousand, four hundred and thirteen is in numerals.","answers":["72413",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8632,"type":2,"question":"Ninety-four thousand, three hundred and eight is in numerals.","answers":["94308",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8638,"type":2,"question":"Forty-three thousand, six hundred and twelve is in numerals. \r\n____________","answers":["43612",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8639,"type":2,"question":"Sixty-seven thousand, two hundred and ninety-five is in numerals.","answers":["67295",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8640,"type":2,"question":"Eighty-two thousand, four hundred and thirty-seven is in numerals. \r\n \r\n____________","answers":["82437",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8641,"type":2,"question":"Thirty-nine thousand, seven hundred and fifty-four is in numerals.\n____________","answers":["39754",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8642,"type":2,"question":"Seventy-one thousand, five hundred and eight is in numerals.","answers":["71508",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8643,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \n52318, 52813, 51328, 52138 \nAnswer: , , , ","answers":["51328","52138","52318","52813"],"correct_index":null,"solution":null,"hints":[]},{"id":8644,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n63742, 67342, 63427, 67234 \r\nAnswer: , , , ","answers":["63427","63742","67234","67342"],"correct_index":0,"solution":null,"hints":[]},{"id":8645,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n74024, 70275, 70428, 74210 \r\nAnswer: , , , ","answers":["70275","70428","74024","74210"],"correct_index":0,"solution":null,"hints":[]},{"id":8646,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \n85619, 85196, 81596, 81965 \nAnswer: , , , ","answers":["81596","81965","85196","85619"],"correct_index":0,"solution":null,"hints":[]},{"id":8647,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \n94523, 94235, 92453, 92345 \nAnswer: , , , ","answers":["92345","92453","94235","94523"],"correct_index":0,"solution":null,"hints":[]},{"id":8648,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n94523, 94235, 92453, 92345 \r\nAnswer: , , , ","answers":["92345","92453","94235","94523"],"correct_index":0,"solution":null,"hints":[]},{"id":8649,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n58394, 58943, 53849, 53948 \r\nAnswer: , , , \r\n ","answers":["53849","53948","58394","58943"],"correct_index":0,"solution":null,"hints":[]},{"id":8650,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n46721, 47621, 46127, 47216 \r\nAnswer: , , , ","answers":["46127","46721","47216","47621"],"correct_index":0,"solution":null,"hints":[]},{"id":8651,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n82516, 82165, 81526, 81652 \r\nAnswer: , , , ","answers":["81526","81652","82165","82516"],"correct_index":0,"solution":null,"hints":[]},{"id":8652,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n93847, 93478, 97348, 97834 \r\nAnswer: , , , ","answers":["93478","93847","97348","97834"],"correct_index":0,"solution":null,"hints":[]},{"id":8653,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n65239, 62593, 62359, 65923 \r\nAnswer: , , , ","answers":["62359","62593","65239","65923"],"correct_index":0,"solution":null,"hints":[]},{"id":8654,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n52318, 52813, 51328, 52138 \r\nAnswer: , , , ","answers":["51328","52138","52318","52813"],"correct_index":0,"solution":null,"hints":[]},{"id":8655,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n63742, 67342, 63427, 67234 \r\nAnswer: , , , ","answers":["63427","63742","67234","67342"],"correct_index":0,"solution":null,"hints":[]},{"id":8656,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n74024, 70275, 70428, 74210 \r\nAnswer: , , , ","answers":["70275","70428","74024","74210"],"correct_index":0,"solution":null,"hints":[]},{"id":8657,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n85619, 85196, 81596, 81965 \r\nAnswer: , , , ","answers":["81596","81965","85196","85619"],"correct_index":0,"solution":null,"hints":[]},{"id":8658,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n94523, 94235, 92453, 92345 \r\nAnswer: , , , ","answers":["92345","92453","94235","94523"],"correct_index":0,"solution":null,"hints":[]},{"id":8662,"type":2,"question":"Arrange the numbers in order. Begin with the greatest. \r\n73546, 75346, 73465, 75634 \r\nAnswer: , , , ","answers":["75634","75346","73546","73465"],"correct_index":0,"solution":null,"hints":[]},{"id":8663,"type":2,"question":"Arrange the numbers in order. Begin with the greatest. \r\n84217, 82471, 84721, 82147 \r\nAnswer: , , , ","answers":["84721","84217","82471","82147"],"correct_index":0,"solution":null,"hints":[]},{"id":8664,"type":2,"question":"Arrange the numbers in order. Begin with the greatest. \r\n45827, 45782, 48527, 48257 \r\nAnswer: , , , ","answers":["48527","48257","45827","45782"],"correct_index":0,"solution":null,"hints":[]},{"id":8665,"type":2,"question":"Arrange the numbers in order. Begin with the greatest. \r\n63419, 63914, 69314, 69143 \r\nAnswer: , , , ","answers":["69314","69143","63914","63419"],"correct_index":0,"solution":null,"hints":[]},{"id":8666,"type":2,"question":"Arrange the numbers in order. Begin with the greatest. \r\n32018, 30081, 32180, 30218 \r\nAnswer: , , , ","answers":["32180","32018","30218","30081"],"correct_index":0,"solution":null,"hints":[]},{"id":8667,"type":2,"question":"Arrange the numbers in order. Begin with the greatest. \r\n78536, 78365, 75836, 75638 \r\nAnswer: , , , ","answers":["78536","78365","75836","75638"],"correct_index":0,"solution":null,"hints":[]},{"id":8668,"type":2,"question":"Arrange the numbers in order. Begin with the greatest. \r\n91254, 91542, 95124, 95214 \r\nAnswer: , , , ","answers":["95214","95124","91542","91254"],"correct_index":0,"solution":null,"hints":[]},{"id":8669,"type":2,"question":"Arrange the numbers in order. Begin with the greatest. \r\n42516, 42165, 41526, 41256 \r\nAnswer: , , , ","answers":["42516","42165","41526","41256"],"correct_index":0,"solution":null,"hints":[]},{"id":8670,"type":2,"question":"Arrange the numbers in order. Begin with the greatest. \r\n58734, 58473, 57834, 57348 \r\nAnswer: , , , ","answers":["58734","58473","57834","57348"],"correct_index":0,"solution":null,"hints":[]},{"id":8671,"type":2,"question":"Arrange the numbers in order. Begin with the greatest. \r\n32018, 30081, 32180, 30218 \r\nAnswer: , , , ","answers":["32180","32018","30218","30081"],"correct_index":0,"solution":null,"hints":[]},{"id":8672,"type":2,"question":"Arrange the numbers in order. Begin with the greatest. \r\n67429, 67294, 64729, 64279 \r\nAnswer: , , , ","answers":["67429","67294","64729","64279"],"correct_index":0,"solution":null,"hints":[]},{"id":8673,"type":2,"question":"Arrange the numbers in order. Begin with the greatest. \r\n89153, 89513, 85913, 85139 \r\nAnswer: , , , ","answers":["89513","89153","85913","85139"],"correct_index":0,"solution":null,"hints":[]},{"id":8674,"type":2,"question":"Arrange the numbers in order. Begin with the greatest. \r\n42537, 42735, 47253, 47325 \r\nAnswer: , , , ","answers":["47325","47253","42735","42537"],"correct_index":0,"solution":null,"hints":[]},{"id":8675,"type":2,"question":"Arrange the numbers in order. Begin with the greatest. \r\n56194, 59146, 51694, 51946 \r\nAnswer: , , , ","answers":["59146","56194","51946","51694"],"correct_index":0,"solution":null,"hints":[]},{"id":8677,"type":2,"question":"Arrange the numbers in order. Begin with the greatest. \r\n67482, 64782, 67824, 64827 \r\nAnswer: , , , ","answers":["67824","67482","64827","64782"],"correct_index":0,"solution":null,"hints":[]},{"id":8678,"type":2,"question":"Arrange the numbers in order. Begin with the greatest. \r\n83615, 86315, 83651, 86351 \r\nAnswer: , , , ","answers":["86351","86315","83651","83615"],"correct_index":0,"solution":null,"hints":[]},{"id":8679,"type":2,"question":"Arrange the numbers in order. Begin with the greatest. \r\n45217, 45712, 47521, 47215 \r\nAnswer: , , , ","answers":["47521","47215","45712","45217"],"correct_index":0,"solution":null,"hints":[]},{"id":8680,"type":2,"question":"Arrange the numbers in order. Begin with the greatest. \r\n58394, 58943, 53894, 53489 \r\nAnswer: , , , ","answers":["58943","58394","53894","53489"],"correct_index":0,"solution":null,"hints":[]},{"id":8682,"type":2,"question":"Arrange the numbers in order. Begin with the greatest. \r\n67452, 67245, 64752, 64527 \r\nAnswer: , , , ","answers":["67452","67245","64752","64527"],"correct_index":0,"solution":null,"hints":[]},{"id":8683,"type":2,"question":"Arrange the numbers in order. Begin with the greatest. \r\n79163, 79631, 71963, 71639 \r\nAnswer: , , , ","answers":["79631","79163","71963","71639"],"correct_index":0,"solution":null,"hints":[]},{"id":8684,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n58413, 58143, 54813, 54318 \r\nAnswer: , , , ","answers":["54318","54813","58143","58413"],"correct_index":0,"solution":null,"hints":[]},{"id":8685,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n62947, 69247, 62794, 69274 \r\nAnswer: , , , ","answers":["62794","62947","69247","69274"],"correct_index":0,"solution":null,"hints":[]},{"id":8686,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n73562, 73256, 75362, 75326 \r\nAnswer: , , , ","answers":["73256","73562","75326","75362"],"correct_index":0,"solution":null,"hints":[]},{"id":8687,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n81659, 81596, 86159, 86195 \r\nAnswer: , , , ","answers":["81596","81659","86159","86195"],"correct_index":0,"solution":null,"hints":[]},{"id":8688,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n94728, 94287, 97428, 97248 \r\nAnswer: , , , ","answers":["94287","94728","97248","97428"],"correct_index":0,"solution":null,"hints":[]},{"id":8689,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n52318, 52813, 51328, 52138 \r\nAnswer: , , , ","answers":["51328","52138","52318","52813"],"correct_index":0,"solution":null,"hints":[]},{"id":8690,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n63742, 67342, 63427, 67234 \r\nAnswer: , , , ","answers":["63427","63742","67234","67342"],"correct_index":1,"solution":null,"hints":[]},{"id":8691,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n74024, 70275, 70428, 74210 \r\nAnswer: , , , ","answers":["70275","70428","74024","74210"],"correct_index":0,"solution":null,"hints":[]},{"id":8692,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n85619, 85196, 81596, 81965 \r\nAnswer: , , , ","answers":["81596","81965","85196","85619"],"correct_index":1,"solution":null,"hints":[]},{"id":8693,"type":2,"question":"Arrange the numbers in order. Begin with the smallest. \r\n94523, 94235, 92453, 92345 \r\nAnswer: , , , ","answers":["92345","92453","94235","94523"],"correct_index":0,"solution":null,"hints":[]},{"id":8695,"type":2,"question":"Complete the number pattern. \r\n45000, 46000, 47000, , ","answers":["48000","49000",null,null],"correct_index":0,"solution":null,"hints":[]},{"id":8696,"type":2,"question":"Complete the pattern : 98000, 96000, 94000, , ","answers":["92000","90000",null,null],"correct_index":0,"solution":null,"hints":[]},{"id":8697,"type":2,"question":"Complete the number pattern. \r\n72500, 73000, 73500, , ","answers":["74000","74500",null,null],"correct_index":0,"solution":null,"hints":[]},{"id":8698,"type":2,"question":"Complete the number pattern. \r\n89000, 87000, 85000, , ","answers":["83000","81000",null,null],"correct_index":0,"solution":null,"hints":[]},{"id":8699,"type":2,"question":"Complete the number pattern. \r\n62450, 64950, 67450, , ","answers":["69950","72450",null,null],"correct_index":0,"solution":null,"hints":[]},{"id":8789,"type":2,"question":"Find the sum of all factors of 5? Answer : ","answers":["6",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8794,"type":2,"question":"Find the sum of all factors of 17? Answer : ","answers":["18",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8800,"type":2,"question":"What is the product of all factors of 2? Answer : ","answers":["2",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8801,"type":2,"question":"What is the product of all factors of 3? Answer : ","answers":["3",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8804,"type":2,"question":"What is the product of all factors of 5? Answer : ","answers":["5",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8806,"type":2,"question":"What is the product of all factors of 7? Answer : ","answers":["7",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8808,"type":2,"question":"What is the product of all factors of 11? Answer : ","answers":["11",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8809,"type":2,"question":"What is the product of all factors of 11? Answer : ","answers":["11",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8810,"type":2,"question":"What is the product of all factors of 13? Answer : ","answers":["13",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8813,"type":2,"question":"What is the product of all factors of 17? Answer : ","answers":["17",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8814,"type":2,"question":"What is the product of all factors of 19? Answer : ","answers":["19",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8817,"type":2,"question":"What is the sum of all factors of 23? Answer : ","answers":["24",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8823,"type":2,"question":"What is the sum of all factors of 29? Answer : ","answers":["30",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8827,"type":2,"question":"List 2 common factors of 16 and 18. List in increasing order starting with the smallest. Answer : , ","answers":["1","2","0","0"],"correct_index":0,"solution":null,"hints":[]},{"id":8829,"type":2,"question":"List 2 common factors of 12 and 14. List in increasing order starting with the smallest. Answer : , ","answers":["1","2","0","0"],"correct_index":0,"solution":null,"hints":[]},{"id":8830,"type":2,"question":"List 2 common factors of 12 and 22. List in increasing order starting with the smallest. Answer : , ","answers":["1","2","0","0"],"correct_index":0,"solution":null,"hints":[]},{"id":8832,"type":2,"question":"List 3 common factors of 12 and 32. List in increasing order starting with the smallest. Answer : Given: List 4 common factors of 12 and 30. List in increasing order starting with the smallest. Answer : , , ","answers":["1","2","4","0"],"correct_index":0,"solution":null,"hints":[]},{"id":8916,"type":2,"question":"The sixth multiple of 2 is .","answers":["12",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8924,"type":2,"question":"The eighth multiple of 2 is .","answers":["16",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8925,"type":2,"question":"The eighth multiple of 3 is .","answers":["24",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8926,"type":2,"question":"The eighth multiple of 4 is .","answers":["32",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8927,"type":2,"question":"The eighth multiple of 5 is .","answers":["40",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8928,"type":2,"question":"The eighth multiple of 6 is .","answers":["48",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8929,"type":2,"question":"The eighth multiple of 7 is .","answers":["56",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8930,"type":2,"question":"The eighth multiple of 8 is .","answers":["64",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8931,"type":2,"question":"The eighth multiple of 9 is .","answers":["72",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8932,"type":2,"question":"The third multiple of 9 is .","answers":["27",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8933,"type":2,"question":"The third multiple of 8 is .","answers":["24",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8934,"type":2,"question":"The third multiple of 7 is .","answers":["21",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8935,"type":2,"question":"The third multiple of 6 is .","answers":["18",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8936,"type":2,"question":"The third multiple of 5 is .","answers":["15",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8937,"type":2,"question":"The third multiple of 4 is .","answers":["12",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8938,"type":2,"question":"The third multiple of 3 is .","answers":["9",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8939,"type":2,"question":"The third multiple of 2 is .","answers":["6",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":8994,"type":2,"question":"What is 4622 ÷ 5? The quotient is . The remainder is .","answers":["924","2","",""],"correct_index":0,"solution":null,"hints":[]},{"id":8995,"type":2,"question":"Calculate 7843 ÷ 3. The quotient is . The remainder is .","answers":["2614","1","",""],"correct_index":0,"solution":null,"hints":[]},{"id":8996,"type":2,"question":"What is 9124 ÷ 6? The quotient is . The remainder is .","answers":["1520","4","",""],"correct_index":0,"solution":null,"hints":[]},{"id":8997,"type":2,"question":"Find the result of 6549 ÷ 2. The quotient is . The remainder is .","answers":["3274","1","",""],"correct_index":0,"solution":null,"hints":[]},{"id":8998,"type":2,"question":"What is 8245 ÷ 7? The quotient is . The remainder is .","answers":["1177","6","",""],"correct_index":0,"solution":null,"hints":[]},{"id":8999,"type":2,"question":"Calculate 7385 ÷ 8. The quotient is . The remainder is .","answers":["923","1","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9000,"type":2,"question":"What is 4983 ÷ 5? The quotient is . The remainder is .","answers":["996","3","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9001,"type":2,"question":"What is 6727 ÷ 4? The quotient is . The remainder is .","answers":["1681","3","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9002,"type":2,"question":"What is 9460 ÷ 8? The quotient is . The remainder is .","answers":["1182","4","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9003,"type":2,"question":"What is 5321 ÷ 3? The quotient is . The remainder is .","answers":["1773","2","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9004,"type":2,"question":"What is 8642 ÷ 5? The quotient is . The remainder is .","answers":["1728","2","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9005,"type":2,"question":"What is 7397 ÷ 6? The quotient is . The remainder is .","answers":["1232","5","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9006,"type":2,"question":"What is 4812 ÷ 9? The quotient is . The remainder is .","answers":["534","6","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9007,"type":2,"question":"What is 7561 ÷ 2? The quotient is . The remainder is .","answers":["3780","1","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9008,"type":2,"question":"What is 8234 ÷ 4? The quotient is . The remainder is .","answers":["2058","2","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9009,"type":2,"question":"What is 6724 ÷ 8? The quotient is . The remainder is .","answers":["840","4","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9010,"type":2,"question":"What is 5234 ÷ 7? The quotient is . The remainder is .","answers":["747","5","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9011,"type":2,"question":"What is 3945 ÷ 5? The quotient is .","answers":["789","0","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9012,"type":2,"question":"What is 8129 ÷ 6? The quotient is . The remainder is .","answers":["1354","5","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9013,"type":2,"question":"What is 4567 ÷ 4? The quotient is . The remainder is .","answers":["1141","3","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9014,"type":2,"question":"What is 7394 ÷ 3? The quotient is . The remainder is .","answers":["2464","2","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9015,"type":2,"question":"What is 8844 ÷ 5? The quotient is . The remainder is .","answers":["1768","4","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9016,"type":2,"question":"What is 9354 ÷ 9? The quotient is . The remainder is .","answers":["1039","3","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9017,"type":2,"question":"A number when divided by 7 gives a quotient of 5. The largest possible number is .","answers":["39","","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9018,"type":2,"question":"A number when divided by 6 gives a quotient of 3. The largest possible number is .","answers":["20","","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9019,"type":2,"question":"A number when divided by 5 gives a quotient of 6. The largest possible number is .","answers":["35","","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9020,"type":2,"question":"A number when divided by 9 gives a quotient of 2. The largest possible number is .","answers":["19","","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9022,"type":2,"question":"A number divided by 7 gives a quotient of 856. The largest possible number is .","answers":["5998","","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9023,"type":2,"question":"A number when divided by 5 gives a quotient of 432. The largest possible number is .","answers":["2164","","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9024,"type":2,"question":"A number when divided by 9 gives a quotient of 654. The largest possible number is .","answers":["5894",null,"",""],"correct_index":0,"solution":null,"hints":[]},{"id":9038,"type":2,"question":"What is 7324 ÷ 5? The quotient is . The remainder is .","answers":["1464","4","",""],"correct_index":0,"solution":null,"hints":[]},{"id":9077,"type":1,"question":"Convert \\(\\dfrac{23}{5}\\) to a mixed number.","answers":["$$5\\frac{1}{5}$$","$$5\\frac{2}{5}$$","$$4\\frac{2}{5}$$","$$4\\frac{3}{5}$$"],"correct_index":3,"solution":null,"hints":[]},{"id":9078,"type":1,"question":"Convert \\(\\dfrac{19}{4}\\) to a mixed number.","answers":["$$4\\frac{3}{4}$$","$$4\\frac{1}{2}$$","$$4\\frac{1}{4}$$","$$5\\frac{1}{4}$$"],"correct_index":0,"solution":null,"hints":[]},{"id":9079,"type":1,"question":"Convert 5\\(\\dfrac{1}{5}\\) to a improper fraction.","answers":["$$\\frac{24}{5}$$","$$\\frac{26}{5}$$","$$\\frac{27}{5}$$","$$\\frac{11}{5}$$"],"correct_index":1,"solution":null,"hints":[]},{"id":9081,"type":2,"question":"In 56.384, what digit is in the hundredths place? Answer : ","answers":["8","0","0","0"],"correct_index":0,"solution":null,"hints":[]},{"id":9083,"type":1,"question":"In 89.245, what is the digit in the tenths place?","answers":["4","2","5","8"],"correct_index":1,"solution":null,"hints":[]},{"id":9084,"type":1,"question":"In 45.672, which digit represents the thousandths place?","answers":["7","6","2","4"],"correct_index":2,"solution":null,"hints":[]},{"id":9086,"type":1,"question":"In 78.156, what is the digit in tenths place?","answers":["5","1","6","8"],"correct_index":1,"solution":null,"hints":[]},{"id":9087,"type":1,"question":"In 67.903, which digit is in the thousandths place?","answers":["0","9","3","6"],"correct_index":2,"solution":null,"hints":[]},{"id":9089,"type":1,"question":"In 11.234, which digit is in the thousandths place?","answers":["3","2","4","1"],"correct_index":2,"solution":null,"hints":[]},{"id":9091,"type":2,"question":"In 61.029:\n (a) The digit in the hundredths place is .\n (b) The digit in the thousandths place is .\n (c) The value of the digit 9 is .","answers":["2","9","0.009",null],"correct_index":0,"solution":null,"hints":[]},{"id":9095,"type":2,"question":"In 34.527: (a) The digit in the tenths place is . (b) The value of the digit 2 is . (c) The digit in the thousandths place is .","answers":["5","0.02","7",null],"correct_index":0,"solution":null,"hints":[]},{"id":9096,"type":2,"question":"In 72.958: (a) The value of the digit 9 is . (b) The digit in the hundredths place is . (c) The value of the digit 8 is .","answers":["0.9","5","0.008",null],"correct_index":0,"solution":null,"hints":[]},{"id":9097,"type":2,"question":"In 19.473: (a) The digit in the hundredths place is . (b) The value of the digit 4 is . (c) The digit in the thousandths place is .","answers":["7","0.4","3","0"],"correct_index":0,"solution":null,"hints":[]},{"id":9098,"type":2,"question":"In 86.215: (a) The value of the digit 1 is . (b) The digit in the tenths place is . (c) The value of the digit 5 is .","answers":["0.01","2","0.005","0"],"correct_index":0,"solution":null,"hints":[]},{"id":9099,"type":2,"question":"In 53.847: (a) The digit in the thousandths place is . (b) The value of the digit 8 is . (c) The digit in the hundredths place is .","answers":["7","0.8","4","0"],"correct_index":0,"solution":null,"hints":[]},{"id":9100,"type":2,"question":"In 61.329: (a) The value of the digit 3 is . (b) The digit in the thousandths place is . (c) The value of the digit 2 is .","answers":["0.3","9","0.02","0"],"correct_index":0,"solution":null,"hints":[]},{"id":9101,"type":2,"question":"In 45.678: (a) The digit in the tenths place is . (b) The value of the digit 7 is . (c) The digit in the thousandths place is .","answers":["6","0.07","8","0"],"correct_index":0,"solution":null,"hints":[]},{"id":9102,"type":2,"question":"In 28.391: (a) The value of the digit 9 is . (b) The digit in the tenths place is. (c) The value of the digit 1 is .","answers":["0.09","3","0.001",null],"correct_index":0,"solution":null,"hints":[]},{"id":9103,"type":2,"question":"In 97.654: (a) The digit in the hundredths place is . (b) The value of the digit 6 is . (c) The digit in the thousandths place is .","answers":["5","0.6","4",null],"correct_index":0,"solution":null,"hints":[]},{"id":9104,"type":2,"question":"In 13.789: (a) The value of the digit 8 is . (b) The digit in the tenths place is . (c) The value of the digit 9 is .","answers":["0.08","7","0.009",null],"correct_index":0,"solution":null,"hints":[]},{"id":9105,"type":2,"question":"In 82.164: (a) The digit in the tenths place is . (b) The value of the digit 6 is . (c) The digit in the thousandths place is .","answers":["1","0.06","4",null],"correct_index":0,"solution":null,"hints":[]},{"id":9106,"type":2,"question":"In 56.923: (a) The value of the digit 2 is . (b) The digit in the tenths place is . (c) The value of the digit 3 is.","answers":["0.02","9","0.003",null],"correct_index":0,"solution":null,"hints":[]},{"id":9107,"type":2,"question":"In 29.576: (a) The value of the digit 7 is . (b) The digit in the tenths place is . (c) The value of the digit 6 is.","answers":["0.07","5","0.006",null],"correct_index":0,"solution":null,"hints":[]},{"id":9108,"type":2,"question":"In 68.412: (a) The digit in the thousandths place is . (b) The value of the digit 4 is. (c) The digit in the hundredths place is .","answers":["2","0.4","1",null],"correct_index":0,"solution":null,"hints":[]},{"id":9109,"type":2,"question":"In 31.754: (a) The value of the digit 5 is . (b) The digit in the tenths place is . (c) The value of the digit 4 is .","answers":["0.05","7","0.004",null],"correct_index":2,"solution":null,"hints":[]},{"id":9110,"type":2,"question":"In 49.628: (a) The digit in the hundredths place is . (b) The value of the digit 6 is . (c) The digit in the thousandths place is .","answers":["2","0.6","8",null],"correct_index":0,"solution":null,"hints":[]},{"id":9111,"type":2,"question":"In 57.319: (a) The value of the digit 1 is . (b) The digit in the thousandths place is . (c) The value of the digit 3 is .","answers":["0.01","9","0.3",null],"correct_index":0,"solution":null,"hints":[]},{"id":9112,"type":2,"question":"In 83.462: (a) The digit in the tenths place is . (b) The value of the digit 6 is . (c) The digit in the hundredths place is.","answers":["4","0.06","6",null],"correct_index":0,"solution":null,"hints":[]},{"id":9113,"type":2,"question":"In 26.987: (a) The value of the digit 9 is . (b) The digit in the hundredths place is . (c) The value of the digit 7 is .","answers":["0.9","8","0.007",null],"correct_index":0,"solution":null,"hints":[]},{"id":9114,"type":2,"question":"In 41.236: (a) The value of the digit 2 is . (b) The digit in the thousandths place is . (c) The value of the digit 3 is .","answers":["0.2","6","0.03",null],"correct_index":0,"solution":null,"hints":[]},{"id":9126,"type":2,"question":"In 24.183: (a) The value of the digit 8 is . (b) The digit in the tenths place is . (c) The value of the digit 3 is .","answers":["0.08","1","0.003",null],"correct_index":0,"solution":null,"hints":[]},{"id":9127,"type":2,"question":"In 91.547: (a) The digit in the hundredths place is . (b) The value of the digit 5 is . (c) The digit in the thousandths place is .","answers":["4","0.5","7",null],"correct_index":0,"solution":null,"hints":[]},{"id":9128,"type":2,"question":"In 38.619: (a) The value of the digit 1 is . (b) The digit in the thousandths place is . (c) The value of the digit 6 is .","answers":["0.01","9","0.6",null],"correct_index":0,"solution":null,"hints":[]},{"id":9129,"type":2,"question":"In 65.782: (a) The digit in the tenths place is . (b) The value of the digit 8 is . (c) The digit in the hundredths place is .","answers":["7","0.08","8",null],"correct_index":0,"solution":null,"hints":[]},{"id":9130,"type":2,"question":"In 47.253: (a) The value of the digit 5 is . (b) The digit in the tenths place is . (c) The value of the digit 3 is .","answers":["0.05","2","0.003",null],"correct_index":0,"solution":null,"hints":[]},{"id":9131,"type":2,"question":"In 81.694: (a) The digit in the thousandths place is . (b) The value of the digit 9 is . (c) The digit in the tenths place is .","answers":["4","0.09","6",null],"correct_index":0,"solution":null,"hints":[]},{"id":9132,"type":2,"question":"In 59.371: (a) The value of the digit 7 is . (b) The digit in the hundredths place is . (c) The value of the digit 1 is .","answers":["0.07","7","0.001",null],"correct_index":0,"solution":null,"hints":[]},{"id":9133,"type":2,"question":"In 23.846: (a) The digit in the hundredths place is . (b) The value of the digit 8 is . (c) The digit in the thousandths place is .","answers":["4","0.8","6",null],"correct_index":0,"solution":null,"hints":[]},{"id":9137,"type":2,"question":"Complete the number pattern: 2.1, , 2.7, 3.0, , 3.6","answers":["2.4","3.3",null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9138,"type":2,"question":"Complete the number pattern: 9.6, 9.2, , 8.4, , 7.6","answers":["8.8","8.0",null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9139,"type":2,"question":"Complete the number pattern: 12.75, 12.25, , 11.25, , 10.25","answers":["11.75","10.75",null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9140,"type":2,"question":"Complete the number pattern: 0.15, 0.30, , 0.60, , 0.90","answers":["0.45","0.75",null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9141,"type":2,"question":"Complete the number pattern: 15.8, , 14.6, 14.0, , 12.8","answers":["15.2","13.4",null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9145,"type":2,"question":"Complete the number pattern: 20.4, , 19.2, 18.6, , 17.4","answers":["19.8","18.0",null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9178,"type":2,"question":"Calculate 27 ÷ 4. Express your answer as a decimal : ","answers":["6.75",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9179,"type":2,"question":"Calculate 53 ÷ 8. Express your answer as a decimal : ","answers":["6.625",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9180,"type":2,"question":"Calculate 129 ÷ 5. Express your answer as a decimal : ","answers":["25.8",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9181,"type":2,"question":"Calculate 87 ÷ 25. Express your answer as a decimal : ","answers":["3.48",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9182,"type":2,"question":"Calculate 243 ÷ 8. Express your answer as a decimal : ","answers":["30.375",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9183,"type":2,"question":"Calculate 178 ÷ 40. Express your answer as a decimal : ","answers":["4.45",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9184,"type":2,"question":"Calculate 519 ÷ 125. Express your answer as a decimal : ","answers":["4.152",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9185,"type":2,"question":"Calculate 2847 ÷ 400. Express your answer as a decimal..","answers":["7.1175",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9186,"type":2,"question":"What is 7 ÷ 20? Answer : ","answers":["0.35",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9187,"type":2,"question":"What is 9 ÷ 25? Answer : ","answers":["0.36",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9188,"type":2,"question":"What is 3 ÷ 8? Answer : ","answers":["0.375",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9189,"type":2,"question":"What is 13 ÷ 50? Answer : ","answers":["0.26",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9190,"type":2,"question":"What is 21 ÷ 40? Answer : ","answers":["0.525",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9191,"type":2,"question":"What is 21 ÷ 40? Answer : ","answers":["0.525",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9192,"type":2,"question":"What is 17 ÷ 125? Answer : ","answers":["0.136",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9193,"type":2,"question":"What is 33 ÷ 200? Answer : ","answers":["0.165",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9194,"type":2,"question":"What is 49 ÷ 250? Answer : ","answers":["0.196",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9195,"type":2,"question":"What is 63 ÷ 500? Answer : ","answers":["0.126",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9196,"type":2,"question":"What is 87 ÷ 400? Answer : ","answers":["0.2175",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9197,"type":2,"question":"What is 50 ÷ 400? Answer : ","answers":["0.125",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9198,"type":2,"question":"What is 3 ÷ 12? Answer : ","answers":["0.25",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9199,"type":2,"question":"What is 7 ÷ 20? Answer : ","answers":["0.35",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9201,"type":2,"question":"What is 9 ÷ 25? Answer : ","answers":["0.36",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9202,"type":2,"question":"What is 4 ÷ 16? Answer : ","answers":["0.25",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9203,"type":2,"question":"What is 13 ÷ 50? Answer : ","answers":["0.26",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9204,"type":2,"question":"What is 18 ÷ 40? Answer : ","answers":["0.45",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9205,"type":2,"question":"What is 21 ÷ 75? Answer : ","answers":["0.28",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9206,"type":2,"question":"What is 36 ÷ 125? Answer : ","answers":["0.288",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9207,"type":2,"question":"What is 27 ÷ 200? Answer : ","answers":["0.135",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9208,"type":2,"question":"What is 63 ÷ 250? Answer : ","answers":["0.252",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9295,"type":2,"question":"A rope measures L metres long, where L is a decimal with 3 decimal places. When rounded to 2 decimal places, the length becomes 12.05 m. What are the minimum and maximum possible lengths of the rope? Minimum length : m Maximum length : m","answers":["12.045","12.054",null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9317,"type":2,"question":"9.72 - 6.74 = ","answers":["2.98",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9318,"type":2,"question":"7.41 − 3.85 = _","answers":["3.56",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9319,"type":2,"question":"12.36 − 5.78 = _","answers":["6.58",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9320,"type":2,"question":"6.24 − 2.59 = _","answers":["3.65",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9321,"type":2,"question":"15.82 − 9.47 = _","answers":["6.35",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9322,"type":2,"question":"10.05 − 6.38 = _","answers":["3.67",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9323,"type":2,"question":"9.13 − 4.76 = _","answers":["4.37",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9324,"type":2,"question":"14.62 − 8.95 = _","answers":["5.67",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9325,"type":2,"question":"11.27 − 7.49 = _","answers":["3.78",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9326,"type":2,"question":"8.04 − 3.56 = _","answers":["4.48",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9327,"type":2,"question":"5.47 + 3.86 = _","answers":["9.33",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9328,"type":2,"question":"8.29 + 4.75 = _","answers":["13.04",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9329,"type":2,"question":"6.58 + 7.64 = _","answers":["14.22",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9330,"type":2,"question":"9.37 + 2.85 = _","answers":["12.22",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9331,"type":2,"question":"4.76 + 8.49 = _","answers":["13.25",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9332,"type":2,"question":"7.83 + 5.28 = _","answers":["13.11",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9334,"type":2,"question":"3.95 + 6.67 = _","answers":["10.62",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9335,"type":2,"question":"12.46 + 9.78 = _","answers":["22.24",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9336,"type":2,"question":"8.54 + 7.89 = _","answers":["16.43",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9337,"type":2,"question":"15.37 + 6.85 = _","answers":["22.22",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9338,"type":2,"question":"Calculate: 3.45 × 7 = _","answers":["24.15",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9346,"type":2,"question":"0.48 × 7 = ","answers":["3.36",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9347,"type":2,"question":"3.56 ÷ 8 = _","answers":["0.445",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9358,"type":2,"question":"0.875 × 8 = _","answers":["7",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9362,"type":2,"question":"0.625 × 9 = _","answers":["5.625",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9363,"type":2,"question":"A rope measuring 8.568 m is cut into 8 equal pieces. What is the length of each piece? Answer : m","answers":["1.071",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9364,"type":2,"question":" × 7 = 5.985","answers":["0.855",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9365,"type":2,"question":"Jenny saved 3.75 dollars each week for 8 weeks. After spending some money on a book, she had 18.45 left. Answer : How much did the book cost? dollars","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9367,"type":2,"question":"5.472 ÷ 8 = ","answers":["0.684",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9368,"type":2,"question":"0.945 × 6 = ","answers":["5.67",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9370,"type":2,"question":" ÷ 4 = 2.185","answers":["8.74",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9403,"type":2,"question":"The temperature at 6 a.m. was 18.5°C. It rose by 2.35°C every hour until noon. What was the temperature at noon? Answer : °C","answers":["32.6",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9426,"type":2,"question":"A carpet installer charges \\(\\$12.85\\) per square metre. Mrs Wong's living room measures 24 square metres and her bedroom measures 18 square metres. How much does she pay to carpet both rooms? dollars","answers":["539.7",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9435,"type":2,"question":"Round 4.5678 to 3 decimal places. Answer : ","answers":["4.568",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9436,"type":2,"question":"Round 12.34567 to 3 decimal places. Answer : ","answers":["12.346",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9437,"type":2,"question":"Round 0.12345 to 3 decimal places. Answer : ","answers":["0.123",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9443,"type":2,"question":"Round 0.00756 to 3 decimal places. Answer : ","answers":["0.008",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9448,"type":2,"question":"Round 0.0034567 to 3 decimal places. Answer : ","answers":["0.003",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9449,"type":1,"question":"Round 499.9999 to 3 decimal places.","answers":["499.999","499.000","500","500.000"],"correct_index":3,"solution":null,"hints":[]},{"id":9450,"type":2,"question":"Round 36.785499 to 3 decimal places. Answer : ","answers":["36.785",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9459,"type":2,"question":"Round 0.00849 to 3 decimal places. Answer : ","answers":["0.008",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9460,"type":2,"question":"Round 63.45750 to 3 decimal places. Answer : ","answers":["63.458",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9464,"type":2,"question":"Round 504.76849 to 3 decimal places. Answer : ","answers":["504.768",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9470,"type":2,"question":"Round 86.54545 to 3 decimal places. Answer : ","answers":["86.545",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9472,"type":2,"question":"Round 123.45678 to 3 decimal places. Answer : ","answers":["123.457",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9475,"type":2,"question":"Round 50.50505 to 3 decimal places. Answer : ","answers":["50.505",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9481,"type":2,"question":"How many minutes are in 2400 seconds? Answer : min","answers":["40",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9487,"type":2,"question":"How many seconds are in 3.5 hours?. Answer : s","answers":["12600",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9495,"type":2,"question":"Convert 0.75 hours into seconds. Answer : s","answers":["2700",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9497,"type":2,"question":"Convert 2.25 hours into seconds. Answer : s","answers":["8100",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9499,"type":2,"question":"A baker takes 1 hour 45 minutes 30 seconds to bake a cake. Express this in seconds. Answer : s","answers":["6330",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9513,"type":2,"question":"A chef spends 1/3 of an hour preparing ingredients. How many seconds is this? Answer : s","answers":["1200",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9515,"type":2,"question":"A train departs at 23.45 and arrives at its destination at 02.30 the next day. How long is the journey in hours and minutes? Answer : h and min","answers":["2","45",null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9528,"type":2,"question":"A ferry departs at 23.55 and arrives at the island at 04.30 the next day. How long is the ferry ride in hours and minutes? Ferry ride = h + min","answers":["4","35",null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9547,"type":2,"question":"The area of a rectangle is 84 cm². Its length is 12 cm. Find its breadth. Answer : cm","answers":["7",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9548,"type":2,"question":"The area of a rectangle is 135 cm². Its breadth is 9 cm. Find its perimeter. Answer : cm","answers":["48",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9597,"type":2,"question":"A square window has a perimeter of 480 cm. Find the length of one side of the window. Answer : cm.","answers":["120",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9598,"type":2,"question":"A square garden plot covers an area of 196 m². Find the length of one side of the garden plot. Answer : m.","answers":["14",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9599,"type":2,"question":"A square photo frame has a perimeter of 84 cm. Find the length of one side of the photo frame. Answer : cm.","answers":["21",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9600,"type":2,"question":"A square tile has an area of 625 cm². Find the length of one side of the tile. Answer : cm.","answers":["25",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9601,"type":2,"question":"A farmer needs 200 m of fencing to enclose a square pen for his sheep. Find the length of one side of the pen. Answer : m.","answers":["50",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9602,"type":2,"question":"A square computer mousepad has an area of 576 cm². Find the length of one side of the mousepad. Answer : cm.","answers":["24",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9603,"type":2,"question":"A square table cloth has a perimeter of 720 cm. Find the length of one side of the table cloth. Answer : cm.","answers":["180",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9604,"type":2,"question":"A square playground covers an area of 2500 m². Find the length of one side of the playground. Answer : m.","answers":["50",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9605,"type":2,"question":"A ribbon of length 256 cm is used to form a square border around a painting. Find the length of one side of the border. Answer : cm.","answers":["64",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9606,"type":2,"question":"A square chess board has an area of 64 cm². Find the length of one side of the board. Answer : cm.","answers":["8",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9607,"type":2,"question":"A square window has a perimeter of 240 cm. Find the length of one side of the window. Answer : cm.","answers":["60",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9609,"type":2,"question":"A square tile has a perimeter of 48 cm. Find the area of the tile. Answer : cm².","answers":["144",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9610,"type":2,"question":"A square napkin has an area of 625 cm². Find the length of one side of the napkin. Answer : cm.","answers":["25",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9611,"type":2,"question":"A square parking space has a perimeter of 32 m. Find the area of the parking space. Answer : m².","answers":["64",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9613,"type":2,"question":"A square sandbox has a perimeter of 20 m. Find the length of one side of the sandbox. Answer : m.","answers":["5",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9614,"type":2,"question":"A square laptop screen has an area of 225 cm². Find the length of one side of the screen. Answer : cm.","answers":["15",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9680,"type":2,"question":"A windmill blade rotates 540 degrees. How many complete turns and quarter turns is this? Answer : complete turns + quarter turns","answers":["1","2",null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9683,"type":2,"question":"A car wheel rotates 2 complete turns and 2 quarter turns. How many degrees has it rotated? Answer : degrees","answers":["540",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9684,"type":2,"question":"A compass needle turns 450 degrees clockwise. How many complete turns and quarter turns is this? Answer : complete turns + quarter turns","answers":["1","1",null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9687,"type":2,"question":"A merry-go-round completes 1 full turn, then rotates another 225 degrees. What is the total rotation in degrees? Answer : degrees","answers":["585",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9688,"type":2,"question":"How many degrees are in 1 and a half complete turns? Answer : degrees","answers":["540",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9690,"type":2,"question":"A spinning top makes 2 complete turn and 3 quarter turns. How many degrees has it rotated? Answer : degrees","answers":["990",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9695,"type":2,"question":"A helicopter blade makes 2 complete turns. How many degrees is this? Answer : ˚","answers":["720",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9700,"type":2,"question":"A lighthouse beacon rotates 1 complete turn and 1 half turn. How many degrees has it rotated? Answer : degrees","answers":["540",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9705,"type":2,"question":"A ceiling fan blade rotates 540 degrees. How many half turns is this? Answer : ","answers":["6",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9706,"type":2,"question":"A compass needle swings 315 degrees clockwise then 180 degrees anticlockwise. What is the total clockwise rotation in degrees? Answer : ","answers":["135",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9709,"type":2,"question":"A jar lid is twisted 180 degrees. Express this in terms of half turns. Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9712,"type":2,"question":"A skateboard trick involves a rotation of 270 degrees. How many quarter turns is this? Answer : quarter turns","answers":["3",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9717,"type":2,"question":"A screw is turned 2 half turns to tighten it. How many degrees has it rotated? Answer : degrees","answers":["360",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9779,"type":2,"question":"If wastage accounts for 8% of fruits purchased (meaning the stall actually bought more than what was sold), how many kg of Bananas did the owner originally purchase to end up selling 150 kg? ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9792,"type":2,"question":"What is the following in numerals? Four million, two hundred and thirteen thousand, nine hundred and eight : ","answers":["4213908",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9793,"type":2,"question":"What is the following in numerals? Seven million, four hundred and ninety-two thousand, six hundred and fifty-one: ","answers":["7492651",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9794,"type":2,"question":"What is the following in numerals? Three million, four hundred and sixty-two thousand, one hundred and ninety-eight: ","answers":["3462198",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9795,"type":2,"question":"What is the following in numerals? Five million, seven hundred and thirty-four thousand, six hundred and twelve: ","answers":["5734612",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9796,"type":1,"question":"What is the following in numerals? One million, five hundred and twenty-nine thousand, eight hundred and forty-three: ","answers":["1529843",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9797,"type":2,"question":"What is the following in numerals? Four million, six hundred and eighteen thousand, two hundred and seventy-five: ","answers":["4618275",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9798,"type":2,"question":"What is the following in numerals? Six million, three hundred and ninety-one thousand, seven hundred and fifty-four: ","answers":["6391754",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9799,"type":1,"question":"What is the following in numerals? Eight million, one hundred and forty-seven thousand, nine hundred and thirty-two: ","answers":["8147932",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9800,"type":2,"question":"What is the following in numerals? Nine million, two hundred and sixty-three thousand, five hundred and eighty-one: ","answers":["9263581",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9801,"type":2,"question":"What is the following in numerals? Seven million, eight hundred and five thousand, four hundred and sixty-nine: ","answers":["7805469",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9802,"type":2,"question":"What is the following in numerals? Two million, nine hundred and seventy-six thousand, one hundred and thirty-seven: ","answers":["2976137",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9803,"type":2,"question":"What is the following in numerals? Four million, fifty-two thousand, eight hundred and ninety-six: ","answers":["4052896",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9805,"type":2,"question":"What is the following in numerals? Five million, twenty-four thousand and three hundred: ","answers":["5024300",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9806,"type":2,"question":"What is the following in numerals? One million, five hundred and sixty thousand and twelve: ","answers":["1560012",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9808,"type":2,"question":"What is the following in numerals? Six million, four hundred and fifty-two thousand and one: ","answers":["6452001",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9809,"type":2,"question":"What is the following in numerals? Nine million, sixty-three thousand and two hundred: ","answers":["9063200",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9810,"type":2,"question":"What is the following in numerals? Seven million, one hundred and ninety thousand and eight: ","answers":["7190008",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9811,"type":2,"question":"What is the following in numerals? Eight million, six hundred and seven thousand and fifty: ","answers":["8607050",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9812,"type":2,"question":"What is the following in numerals? Four million, thirty-five thousand and six hundred and twenty: ","answers":["4035620",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9813,"type":2,"question":"What is the following in numerals? Ten million, two hundred thousand and four: ","answers":["10200004",null,null,null],"correct_index":0,"solution":null,"hints":[]},{"id":9816,"type":1,"question":"Write 9504672 in words.","answers":["nine million, five hundred and four thousand, six hundred and seventy-two","nine million, five hundred and forty thousand, six hundred and seventy-two","nine million, five hundred and four thousand, six hundred and twenty-seven","nine million, five hundred and forty thousand, six hundred and twenty-seven"],"correct_index":0,"solution":null,"hints":[]},{"id":9817,"type":1,"question":"Write 1738456 in words.","answers":["one million, seven hundred and thirty-eight thousand, four hundred and fifty-six","one million, seven hundred and eighty-three thousand, four hundred and fifty-six","one million, seven hundred and thirty-eight thousand, four hundred and sixty-five","one million, seven hundred and eighty-three thousand, four hundred and sixty-five"],"correct_index":0,"solution":null,"hints":[]},{"id":9819,"type":1,"question":"Write 5,083,297 in words.","answers":["five million, eighty-three thousand, two hundred and seventy-nine","fifty million, eight hundred thirty-two thousand, nine hundred and seventy","five million, eighty-three thousand, two hundred and seventy-nine","five million, eighty-three thousand, two hundred and ninety-seven"],"correct_index":3,"solution":null,"hints":[]},{"id":9820,"type":1,"question":"Write 8,450,136 in words.","answers":["eighty-four million, five hundred and one thousand, three hundred and sixty","eight million, four hundred and fifty thousand, one hundred and thirty-six","eight million, four hundred and five thousand, one hundred and sixty-three","eight million, four hundred and fifty thousand, one hundred and sixty-three"],"correct_index":1,"solution":null,"hints":[]},{"id":9821,"type":1,"question":"Write 2,607,958 in words.","answers":["two million, six hundred and seven thousand, nine hundred and fifty-eight","twenty-six million, seventy-nine thousand, five hundred and eighty","two million, sixty thousand, seven hundred and ninety-five","two million, six hundred and seventy thousand, nine hundred and eighty-five"],"correct_index":0,"solution":null,"hints":[]},{"id":9822,"type":1,"question":"Write 6,192,405 in words.","answers":["six million, one hundred and twenty-nine thousand, four hundred and fifty","sixty-one million, nine hundred and twenty-four thousand, fifty","six million, one hundred and ninety-two thousand, four hundred and five","six million, one hundred and ninety-two thousand, four hundred and fifty"],"correct_index":2,"solution":null,"hints":[]},{"id":9823,"type":1,"question":"Write 3,572,841 in words.","answers":["three million, five hundred and seventy-two thousand, eight hundred and fourteen","three million, five hundred and seventy-two thousand, eight hundred and forty-one","thirty-five million, seventy-two thousand, eight hundred and forty-one","three thousand, five hundred and seventy-two, eight hundred and forty-one"],"correct_index":1,"solution":null,"hints":[]},{"id":9824,"type":1,"question":"Write 9,205,736 in words.","answers":["nine million, two hundred and five thousand, seven hundred and thirty-six","nine million, twenty-five thousand, seven hundred and thirty-six","ninety-two million, five thousand, seven hundred and thirty-six","nine thousand, two hundred and five, seven hundred and thirty-six"],"correct_index":0,"solution":null,"hints":[]},{"id":9825,"type":1,"question":"Write 6,048,527 in words.","answers":["six million, forty-eight thousand, five hundred and twenty-seven","six million, four hundred and eight thousand, five hundred and twenty-seven","sixty million, forty-eight thousand, five hundred and twenty-seven","six thousand, forty-eight, five hundred and twenty-seven"],"correct_index":0,"solution":null,"hints":[]},{"id":9826,"type":1,"question":"Write 3,847,295 in words.","answers":["three million, eight hundred and forty-seven thousand, two hundred and ninety-five","three million, eight hundred and seventy-four thousand, two hundred and ninety-five","three million, eight hundred and forty-seven thousand, two hundred and fifty-nine","thirty-eight million, four hundred and seventy-two thousand, ninety-five"],"correct_index":0,"solution":null,"hints":[]},{"id":9827,"type":1,"question":"Write 5,203,816 in words.","answers":["five million, two hundred and three thousand, eight hundred and sixteen","five million, twenty-three thousand, eight hundred and sixteen","five million, two hundred and thirty thousand, eight hundred and sixteen","fifty-two million, three hundred and eighty-one thousand, six hundred"],"correct_index":0,"solution":null,"hints":[]},{"id":9828,"type":1,"question":"Write 8,650,429 in words.","answers":["eight million, six hundred and fifty thousand, four hundred and twenty-nine","eight million, six hundred and five thousand, four hundred and twenty-nine","eighty-six million, five hundred and four thousand, twenty-nine","eight million, six hundred and fifty thousand, four hundred and ninety-two"],"correct_index":0,"solution":null,"hints":[]},{"id":9829,"type":1,"question":"Write 1,709,583 in words.","answers":["one million, seven hundred and nine thousand, five hundred and eighty-three","one million, seventy-nine thousand, five hundred and eighty-three","seventeen million, nine thousand, five hundred and eighty-three","one million, seven hundred and ninety thousand, five hundred and thirty-eight"],"correct_index":0,"solution":null,"hints":[]},{"id":9830,"type":1,"question":"Write 6,082,347 in words.","answers":["six million, eighty-two thousand, three hundred andforty-seven","six million, eight hundred and two thousand, three hundred and forty-seven","sixty million, eight hundred and twenty-three thousand, four hundred and seventy","six million, eighty-two thousand, three hundred and seventy-four"],"correct_index":0,"solution":null,"hints":[]},{"id":9860,"type":2,"question":"Calculate the average daily water loss for the first half of the month (days 1-13) and second half (days 16-28). Which period had faster evaporation and by how much per day? ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":9876,"type":2,"question":"What was the total price increase from Week 1 to Week 8? Express this as both a dollar amount and a percentage increase. ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10015,"type":1,"question":"A shop offers a 20% discount on a 500 dollars watch. GST of 9% is then added to the discounted price. Another shop sells the same watch at 450 dollars with GST already included. Which is cheaper and by how much?","answers":["Shop B is cheaper by $14","Shop A is cheaper by $50","Shop B is cheaper by $36","Shop A is cheaper by $14"],"correct_index":3,"solution":null,"hints":[]},{"id":10083,"type":2,"question":"The ratio of the distance traveled by Car X to Car Y is 5 : 3. The ratio of the time taken by Car X to Car Y is 2 : 3. What is the ratio of the speed of Car X to the speed of Car Y? ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10090,"type":2,"question":"The ratio of Car A's speed to Car B's speed is 5 : 4. Both cars start from the same point and travel in the same direction. After 3 hours, Car A is 45 km ahead of Car B. What is Car A's speed? ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10110,"type":2,"question":"Convert 2500 g to kg. Answer: kg","answers":["2.5",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10111,"type":2,"question":"Convert 45 cm to m. Answer : m","answers":["0.45",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10112,"type":2,"question":"Convert 750 ml to l. Answer : l","answers":["0.75",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10113,"type":2,"question":"Convert 3200 m to km. Answer : km","answers":["3.2",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10114,"type":2,"question":"Convert 125 g to kg. Answer : kg","answers":["0.125",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10115,"type":2,"question":"Convert 8 cm to m. Answer : m","answers":["0.08",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10119,"type":2,"question":"Convert 50 ml to l. Answer : l","answers":["0.05",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10120,"type":2,"question":"Convert 475 m to km. Answer : km","answers":["0.475",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10121,"type":2,"question":"Convert 6750 g to kg. Answer : kg","answers":["6.75",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10122,"type":2,"question":"Convert 235 cm to m. Answer : m","answers":["2.35",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10123,"type":2,"question":"Convert 1.25 kg to g. Answer : g","answers":["1250",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10124,"type":2,"question":"Convert 0.6 m to cm. Answer : cm","answers":["60",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10125,"type":2,"question":"Convert 2.4 l to ml. Answer : ml","answers":["2400",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10126,"type":2,"question":"Convert 0.85 km to m. Answer : m","answers":["850",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10127,"type":2,"question":"Convert 0.075 kg to g. Answer : g","answers":["75",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10128,"type":2,"question":"Convert 3.08 m to cm. Answer : cm","answers":["308",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10129,"type":2,"question":"Convert 0.125 l to ml. Answer : ml","answers":["125",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10191,"type":2,"question":"In triangle ABD, BDC is a straight line. Find angle ABD. Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10192,"type":2,"question":"Triangle ABC is isosceles with AB = AC. Triangle BCD is isosceles with BD = CD. Find angle BDC. Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10193,"type":2,"question":"Triangle ABC is isosceles with AB = AC. Triangle BCD is isosceles with BD = CD. Find angle BDC. Answer : °","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10194,"type":2,"question":"AD bisects angle BAC. Find angle ACD. Answer : °","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10195,"type":2,"question":"AB is parallel to CD. Find angle EFG. Answer : °","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10196,"type":2,"question":"DE is parallel to BC. Find angle ADE. Answer : °","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10197,"type":2,"question":"AH is perpendicular to BC. Find angle ACH. Answer : °","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10198,"type":2,"question":"Two triangles meet at vertex C. Find angle CDE. Answer : °","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10199,"type":2,"question":"Triangle ABC is isosceles (AB = AC). Triangle BCD is isosceles (BD = CD). Find angle DBC. Answer : °","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10200,"type":2,"question":"ACE is a straight line. Find angle CED. Answer : °","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10201,"type":2,"question":"AM is a median. DE is parallel to BC. Find angle DME. Answer : °","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10246,"type":2,"question":"Emma read books for 8 weeks and read an average of 3 books per week. During the last week, she only read 1 book because she was on vacation. How many books did she read during the first 7 weeks in total? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10247,"type":2,"question":"A class of 15 students scored an average of 78 marks on a test. After some new students joined with an average score of 90 marks, the class average increased to 82 marks. How many new students joined the class? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10248,"type":2,"question":"The average mass of 12 boxes is 18.5 kg. What must be the mass of a 13th box so that the average mass becomes 20 kg? Answer : kg","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10249,"type":2,"question":"A swimmer completed 9 laps with an average time of 45 seconds per lap. How many seconds must she complete the 10th lap in to lower her average to 44 seconds per lap? Answer : s","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10250,"type":2,"question":"The average height of 15 students is 148 cm. After removing the 3 tallest students, the average height became 145 cm. What was the average height of the 3 students who were removed? Answer : cm","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10252,"type":2,"question":"The average weight of 5 bags of rice is 8.4 kg. One bag is removed and the average weight of the remaining bags becomes 8.8 kg. What was the weight of the bag that was removed? Answer : kg","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10253,"type":2,"question":"A group of 8 friends collected stamps with an average of 56 stamps each. After 2 more friends joined, the average became 52 stamps per person. What was the average number of stamps collected by the 2 new friends? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10254,"type":2,"question":"Daniel scored an average of 85 marks in his first 4 tests. After the 5th test, his average dropped to 82 marks. What did he score on the 5th test? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10255,"type":2,"question":"The average age of a family of 4 is 28 years. The baby is 2 years old. What is the average age of the other 3 family members? Answer : years old","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10256,"type":2,"question":"A shop sold an average of 45 shirts per day for 6 days. On the 7th day, there was a sale. If the average for all 7 days was 54 shirts per day, how many shirts were sold on the 7th day? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10257,"type":2,"question":"The average rainfall for January to May was 84 mm per month. The average rainfall for January to June was 90 mm per month. What was the rainfall in June? Answer : mm","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10258,"type":2,"question":"A cricket player's batting average after 20 innings was 35 runs. After the 21st innings, his average increased to 37 runs. How many runs did he score in the 21st innings? Answer : runs","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10259,"type":2,"question":"The average of 6 numbers is 24. If one number is doubled, the average becomes 28. What was the original number that was doubled? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10260,"type":2,"question":"The average marks of 40 students is 72. Later, it was found that one student's marks were recorded as 64 instead of 46. What is the correct average? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10261,"type":2,"question":"A train travels from Town A to Town B at an average speed of 60 km/h and returns at an average speed of 40 km/h. What is the average speed for the entire journey? Answer : km/h","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10263,"type":2,"question":"The average of 5 consecutive even numbers is 34. What is the largest number? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10264,"type":2,"question":"In a class, the average age of 15 boys is 12 years and the average age of 10 girls is 11 years. What is the average age of the whole class? Answer : years old","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10265,"type":2,"question":"The average of 9 numbers is 40. The average of the first 5 numbers is 38 and the average of the last 5 numbers is 44. What is the 5th number? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10322,"type":2,"question":"A shop sold a shirt for \\(\\$63\\) that originally cost \\(\\$45\\). What was the percentage increase in price? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10323,"type":2,"question":"The population of a town decreased from 24000 to 20400. What was the percentage decrease? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10324,"type":2,"question":"After a 20% increase, the price of a book became \\(\\$48\\). It was then reduced by 25%. What was the final price of the book? Answer : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10325,"type":2,"question":"The number of members in a club increased from 80 to 100 in the first year, then decreased to 85 in the second year. What was the overall percentage change from the beginning? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10326,"type":2,"question":"A car's value decreased by 15% in the first year and by 20% in the second year. If the car was worth \\(\\$85000\\) originally, what was its value after 2 years? Answer : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10327,"type":2,"question":"The price of a laptop was increased by 25% and then decreased by 20%. What was the overall percentage change? Answer : %","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10328,"type":2,"question":"A farmer harvested 540 kg of rice this year compared to 450 kg last year. What was the percentage increase in his harvest? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10329,"type":2,"question":"The number of visitors to a museum dropped from 1800 on Saturday to 1350 on Sunday. What was the percentage decrease? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10330,"type":2,"question":"Mr. Lee's salary was \\(\\$4500\\). After a pay cut, his salary became \\(\\$3825\\). What was the percentage decrease in his salary? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10331,"type":2,"question":"A dress was sold at a 30% discount. If the discount was \\(\\$57\\), what was the original sale price of the dress? Answer : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10332,"type":2,"question":"The attendance at a concert increased by 35% compared to last year. If 5400 people attended this year, how many attended last year? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10333,"type":2,"question":"A tank contained 600 litres of water. After some water was used, the amount decreased by 35%. More water was then added, increasing the remaining amount by 40%. How much water was in the tank finally? Answer : litres","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10334,"type":2,"question":"Peter's weight increased from 48 kg to 54 kg. What was the percentage increase in his weight? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10335,"type":2,"question":"A company's profit decreased by 18% in the first quarter and increased by 25% in the second quarter. If the original profit was \\(\\$50000\\), what was the profit after the second quarter? Answer : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10336,"type":2,"question":"After a 15% decrease, the price of a phone became \\(\\$595\\). What was the original price? Answer : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10337,"type":2,"question":"The number of books in a library increased from 12500 to 15000. What was the percentage increase? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10338,"type":2,"question":"A store increased its prices by 20%. During a sale, prices were then reduced by 15%. What was the overall percentage change from the original prices? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10339,"type":2,"question":"A stock's value decreased by 40% on Monday and then increased by 60% on Tuesday. What was the overall percentage change? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10340,"type":2,"question":"Mrs. Tan's electricity bill increased from \\(\\$84\\) to \\(\\$105\\). By what percentage did her bill increase? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10341,"type":2,"question":"A shop owner bought a watch for \\(\\$240\\) and sold it for \\(\\$312\\). What was his percentage profit? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10342,"type":2,"question":"The price of a house increased by 12% in the first year and 15% in the second year. If the house was worth \\(\\$250000\\) originally, what was its value after 2 years? Answer : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10343,"type":2,"question":"A shop reduced its prices by 25%. To restore the original prices, by what percentage must the reduced prices be increased? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10344,"type":2,"question":"Tom's savings increased by 40% to \\(\\$840\\). He then spent some money and his savings decreased by 25%. How much did he have finally? Answer : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10345,"type":2,"question":"The number of students in School X is 15% less than School Y. If School X has 680 students, how many students does School Y have? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10346,"type":2,"question":"A fruit seller bought oranges at \\(\\$2\\) each and sold them at \\(\\$2.70\\) each. What was his percentage profit per orange? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10347,"type":2,"question":"After a 30% discount and an additional 10% member discount on the reduced price, a bag cost \\(\\$378\\). What was the original price of the bag? Answer : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10348,"type":2,"question":"The length of a rectangle was increased by 20% and the width was decreased by 20%. What was the percentage change in the area? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10349,"type":2,"question":"Mr. Goh's monthly salary was \\(\\$3600\\). He received a 15% pay raise. Six months later, due to company losses, his salary was cut by 10%. What was his final salary? Answer : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10350,"type":2,"question":"The price of petrol increased from \\(\\$1.80\\) per litre to \\(\\$2.25\\) per litre. What was the percentage increase? Answer : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10351,"type":2,"question":"A school's enrolment decreased by 8% from last year. If there are 1104 students this year, how many students were there last year? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10352,"type":2,"question":"Ali's score improved from 56 marks to 84 marks. What was the percentage improvement in his score? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10357,"type":2,"question":"The number of cars in a parking lot increased by 60% in the morning. By evening, the number decreased by 40% from the morning peak. If there were 120 cars initially, how many cars were there in the evening? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10359,"type":2,"question":"A merchant bought goods for \\(\\$800\\) and marked them up by 50%. During a clearance sale, he offered a discount and sold them for \\(\\$840\\). What was the percentage discount given? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10375,"type":2,"question":"After receiving a 15% tip, a waiter's total pay for the day was \\(\\$92\\). What was his pay before the tip? Answer : $ ","answers":["","","",""],"correct_index":0,"solution":null,"hints":[]},{"id":10382,"type":2,"question":"Mr. Tan's salary is 20% more than Mr. Lee's salary. Mr. Lee's salary is 15% less than Mr. Wong's salary. Mr. Wong earns \\(\\$4000\\) per month. How much more does Mr. Tan earn than Mr. Lee per month? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10383,"type":2,"question":"Box A contains 30% fewer marbles than Box B. Box B contains 40% more marbles than Box C. Box C contains 25% more marbles than Box D. If Box D contains 200 marbles, how many marbles are in Box A? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10384,"type":2,"question":"The price of Item X is 25% less than Item Y. The price of Item Y is 60% more than Item Z. The price of Item Z is 20% more than Item W. If Item W costs \\(\\$125\\), find the total cost of buying one of each item. Answer : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10385,"type":2,"question":"In January, a few foreign pupils were enrolled into the P5 classes. As a result, the number of P5 boys increased by 10% to 121 and the number of P5 girls increased by 4% to 156. What was the percentage increase in the total number of P5 pupils? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10386,"type":2,"question":"In January, a few foreign pupils were enrolled into the P5 classes. As a result, the number of P5 boys increased by 10% and the number of P5 girls increased by 4%. The ratio of boys to girls after the enrolment was 11:12. If there were 17 new pupils enrolled altogether, find the number of P5 pupils at first.br>Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10387,"type":2,"question":"In January, a few foreign pupils were enrolled into the P5 classes. As a result, the number of P5 boys increased by 10% and the number of P5 girls increased by 25%. Before the enrolment, there were 20 more girls than boys. After the enrolment, there were 26 more girls than boys. Find the number of P5 pupils at first. br>Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10390,"type":2,"question":"A jacket was marked at \\(\\$120\\). During a sale, the store offered a 25% discount. Members received an additional 20% off the discounted price. What was the final price and the overall percentage discount? Final price : $ Overall discount : ____ %","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10391,"type":2,"question":"After receiving a 30% discount followed by an additional 10% member discount on the reduced price, Sarah paid \\(\\$189\\) for a jacket. What was the original price of the jacket? Original price : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10394,"type":2,"question":"After a 25% discount followed by an additional 20% member discount, Emma saved \\(\\$108\\) on a jacket. What was the original price of the jacket? Original price : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10395,"type":2,"question":"Sarah spent 20% of her money on a sandwich and 35% of her money on a juice box. She had \\(\\$9\\) left. How much money did she have at first? Answer : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10396,"type":2,"question":"Kelly spent 30% of her money on a sandwich. She then spent 40% of her remaining money on a juice box. She had \\(\\$12.60\\) left. How much money did she have at first? Answer : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10397,"type":2,"question":"Mel spent 25% of her money on a sandwich, 40% of the remainder on a juice box, and 50% of what was left on a cookie. She had \\(\\$13.50\\) remaining. How much money did she have at first? Answer : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10399,"type":2,"question":"Sue spent 20% of her money on a sandwich and some money on a juice box. The ratio of the cost of the sandwich to the juice box was 2:3. What percentage of her money was left? Answer : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10400,"type":2,"question":"Last week, Sarah spent \\(\\$8\\) on a sandwich and \\(\\$6\\) on a juice box. This week, she spent 25% more on the sandwich and 50% more on the juice box. What was the percentage increase in her total spending? Answer : %","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10401,"type":2,"question":"Min spent 15% of her money on a sandwich and 25% of her money on a juice box. She donated 40% of the remaining money to charity and had \\(\\$36\\) left. How much money did she have at first? Answer : %","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10402,"type":2,"question":"Suzie had some money. She spent 30% of it on a sandwich. She then spent 20% of the original amount on a juice box. Finally, she spent 25% of the remaining money on a cookie. She had \\(\\$42\\) left. How much money did she have at first? Answer : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10403,"type":2,"question":"Sarah spent 24% of her money on a sandwich and 36% of her money on a juice box. The juice box cost \\(\\$4.80\\) more than the sandwich. Find the cost of the sandwich and the juice box. Answer : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10404,"type":2,"question":"In an exam, 80% of the boys and 90% of the girls passed. There were 250 boys and 200 girls who took the exam. How many students passed the exam altogether and what percentage of all students passed? Number of all students passed: Percentage of all students passed: ____ %","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10405,"type":2,"question":"In an exam, 75% of the boys passed and 20% of the girls failed. The number of boys who passed was equal to the number of girls who passed. If 240 students passed altogether, how many boys and how many girls took the exam? Boyrs : Girls : ____","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10406,"type":2,"question":"In the first exam, 70% of students passed. In the second exam, 80% of those who failed the first exam passed. Overall, 54 students failed both exams. How many students took the exams? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10407,"type":2,"question":"In School A, 75% of students passed an exam. In School B, 60% of students passed the same exam. School A had 200 more students than School B. The total number of students who passed from both schools was 630. How many students were in each school? School A : School B : ____","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10408,"type":2,"question":"Last year, 72% of students passed an exam. This year, the pass rate increased by 10 percentage points and 12 more students passed than last year. The same number of students took the exam both years. How many students took the exam? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10409,"type":2,"question":"In an exam, 85% of boys passed and 90% of girls passed. The number of boys who failed was three times the number of girls who failed. If 60 students failed altogether, how many boys and girls took the exam? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10410,"type":2,"question":"Students who failed the first exam had to take a retest. In the first exam, 65% of students passed. In the retest, 80% of those who took it passed. Overall, 93% of all students eventually passed. How many students took the first exam if 28 students failed both exams? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10411,"type":2,"question":"In an exam, some students passed and some failed. If 10 more students had passed, the pass rate would have been 80%. If 10 fewer students had passed, the pass rate would have been 60%. How many students took the exam? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10412,"type":2,"question":"In an exam, the ratio of students who passed to those who failed was 7:3. If 24 more students had passed, the pass rate would have been 85%. How many students took the exam? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10413,"type":2,"question":"A baker bought 15 kg of flour and 8 kg of sugar. He used 40% of the flour and 25% of the sugar. What percentage of the total ingredients had not been used? Answer : %","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10414,"type":2,"question":"Mrs Tan bought 12 kg of rice. On the first day, she used 15% of it. On the second day, she used 20% of the remainder. What percentage of the original amount of rice had not been used?\r\n Answer : %","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10415,"type":2,"question":"A tank was filled with water. On Monday, 30% of the water was used. On Tuesday, 25% of the remaining water was used. On Wednesday, 40% of what was left was used. If 126 litres of water remained, how much water was in the tank at first?\r\n Answer : litres","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10416,"type":2,"question":"A container had some oil. On the first day, 20% of the oil was used. On the second day, 10 litres were added and then 25% of the total was used. The container now has 45 litres of oil. How much oil was in the container at first?\r\n Answer : litres","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10417,"type":2,"question":"A café bought 20 kg of coffee beans, 15 kg of tea leaves, and 25 kg of cocoa powder. By the end of the month, they had used 65% of the coffee beans, 40% of the tea leaves, and 80% of the cocoa powder. What percentage of the total supplies remained?\r\n Answer : %","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10418,"type":2,"question":"A farmer harvested 450 kg of potatoes. He sold some at the market and gave 20% of the remainder to his neighbours. He had 180 kg left. What percentage of the original harvest did he sell at the market?\r\n Answer : %","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10419,"type":2,"question":"A fuel tank had 400 litres of diesel. On Monday, 25% was used. On Tuesday, the tank was topped up with 100 litres and then 20% of the total was used. On Wednesday, 25% of the remaining diesel was used. What percentage of the original 400 litres remained in the tank?\r\n Answer : %","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10420,"type":2,"question":"Mr Wong bought some cooking oil. He used 30% of it in the first week. In the second week, he used 25% of the remainder. In the third week, he used 40% of what was left. He had 6.3 litres remaining. How much cooking oil did Mr Wong buy?\r\n Answer : litres","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10421,"type":2,"question":"Kevin had some money. After spending 20% on a book and 40% of the remainder on a bag, he had \\(\\$72\\) left. How much money did Kevin have at first? Answer : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10422,"type":2,"question":"Mrs Lee had 120 kg of flour. After using some flour for cakes and 35% of the remainder for bread, she had 39 kg left. How much flour did she use for cakes? Answer : kg","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10423,"type":2,"question":"A tank contained 500 litres of water. After some water was drained and 20% of the remainder was used for washing, 288 litres were left. How many litres of water were drained? Answer : litres","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10424,"type":2,"question":"Mr Tan had some savings. He spent \\(\\$450\\) on a phone and 30% of the remainder on a watch. He then spent 25% of what was left on shoes and had \\(\\$630\\) remaining. How much savings did Mr Tan have at first? Answer : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10425,"type":2,"question":"Amy had \\(\\$240\\). She spent some money on a dress and 40% of the remainder on a pair of shoes. She then spent \\(\\$12\\) on lunch and had 60 dollars left. What was the cost of the dress? Answer : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10426,"type":2,"question":"Ben and Chloe each had the same amount of money. Ben spent \\(\\$80\\) on a game and 25% of the remainder on snacks. Chloe spent 40% of her money on a bag and \\(\\$30\\) on a book. They both had the same amount of money left. How much did each of them have at first? Ben : $ Chloe : $ ____","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10427,"type":2,"question":"A farmer had some eggs. He sold 240 eggs at the morning market and 30% of the remainder at the afternoon market. He then gave 15% of what was left to his neighbour and had 476 eggs remaining. How many eggs did the farmer have at first? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10428,"type":2,"question":"A shop had some shirts. On Monday, 40% of the shirts were sold. On Tuesday, 50 more shirts arrived and 20% of the total was sold. The shop had 280 shirts left. How many shirts did the shop have at first? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10429,"type":2,"question":"Ali had some marbles. He gave 20% of them to Ben and 25% of the remainder to Chloe. He then lost 15 marbles and gave 30% of what was left to David. Ali had 84 marbles remaining. How many marbles did Ali have at first? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10430,"type":2,"question":"Mrs Wong had some money. She spent \\(\\$180\\) on groceries and 25% of the remainder on clothes. She then received \\(\\$120\\) from her husband and spent 40% of her total money on furniture. She had 288 dollars left. How much money did Mrs Wong have at first? Answer : $ ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10431,"type":2,"question":"At first, the ratio of boys to girls at a party was 3 : 2. Then 40% of the boys and 25% of the girls left the party. What was the new ratio of boys to girls? Boys : girls = : ____","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10432,"type":2,"question":"At first, the ratio of red beads to blue beads in a box was 5 : 4. Then 20% of the red beads were removed and some blue beads were added. The ratio became 2 : 3. If there were 150 red beads at first, how many blue beads were added? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10433,"type":2,"question":"A farm had chickens and ducks in the ratio 4 : 3. After 25% of the chickens were sold and 50% more ducks were bought, there were 390 birds altogether. How many chickens were there at first? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10434,"type":2,"question":"The ratio of men to women at a concert was 2 : 3. During the interval, 25% of the men left and 20% of the women left. What was the new ratio of men to women? Men : women = ___ : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10435,"type":2,"question":"A shop had fiction and non-fiction books in the ratio 5 : 4. After selling 40% of the fiction books and 25% of the non-fiction books, 60 more fiction books than non-fiction books were sold. How many books did the shop have at first? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10436,"type":2,"question":"A container had orange juice and apple juice in the ratio 5 : 3. After 20% of the orange juice was drunk and 50% of the apple juice was drunk, there were 90 ml more orange juice than apple juice left. How much juice was in the container at first? Answer : ml","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10437,"type":2,"question":"At first, the number of apples, oranges, and pears in a basket were in the ratio 4 : 5 : 3. After 25% of the apples were eaten, 20% of the oranges were eaten, and 10 pears were added, the ratio became 3 : 4 : 4. How many fruits were in the basket at first? Answer : ","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10447,"type":1,"question":"A shop sells shirts and pants in the ratio 4:3. Of the shirts, the ratio of long sleeve to short sleeve is 2:3. Of the pants, the ratio of long to short is 5:1. What fraction of all items sold are long sleeve shirts?","answers":["1/4","8/35","1/5","8/33"],"correct_index":1,"solution":null,"hints":[]},{"id":10448,"type":2,"question":"A fruit basket has mangoes and papayas in the ratio 5:4. Of the mangoes, the ratio of ripe to unripe is 3:2. Of the papayas, the ratio of ripe to unripe is 1:1. If there are 45 fruits altogether, how many ripe fruits are there? Answer : ","answers":["25",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10449,"type":2,"question":"A bookstore has hardcover and paperback books in the ratio 3:7. Of the hardcovers, the ratio of fiction to non-fiction is 2:1. Of the paperbacks, the ratio of fiction to non-fiction is 4:3. What is the ratio of all fiction to all non-fiction books? Answer = : ____","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10450,"type":2,"question":"A factory produces widgets and gadgets in the ratio 6:5. Of the widgets, the ratio of defective to non-defective is 1:11. Of the gadgets, the ratio of defective to non-defective is 1:9. If 1100 items are produced, how many defective items are there? Answer = ","answers":["100",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10451,"type":2,"question":"A restaurant serves lunch and dinner customers in the ratio 3:5. Of the lunch customers, the ratio who order dessert to those who don't is 1:2. Of the dinner customers, this ratio is 3:2. What percentage of all customers order dessert? Answer = ","answers":["50",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10452,"type":2,"question":"A garden has roses and lilies in the ratio 9:7. Of the roses, the ratio of red to white is 5:4. Of the lilies, the ratio of red to white is 3:4. If there are 112 flowers altogether, how many white flowers are there? Answer = ","answers":["56",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10453,"type":2,"question":"A company has permanent and contract staff in the ratio 5:3. Of the permanent staff, the ratio who work from home to those who work in office is 2:3. Of the contract staff, this ratio is 4:1. What percentage of all staff work from home? Answer = ","answers":["55",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10454,"type":2,"question":"A pet shop has fish and hamsters in the ratio 8:3. Of the fish, the ratio of goldfish to guppies is 3:1. Of the hamsters, the ratio of brown to white is 2:1. If there are 88 animals altogether, how many goldfish are there? Answer = ","answers":["48",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10455,"type":2,"question":"A university has undergraduate and postgraduate students in the ratio 7:2. Of the undergraduates, the ratio of local to international is 4:1. Of the postgraduates, this ratio is 1:4. What is the ratio of all local to all international students? Answer = : ____","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10456,"type":2,"question":"A supermarket sells fresh and frozen food in the ratio 5:2. Of the fresh food, the ratio of vegetables to meat is 7:3. Of the frozen food, the ratio of vegetables to meat is 1:3. What is the ratio of vegetables to all food sold? Answer = : ____","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10457,"type":2,"question":"A bus has adults and children in the ratio 4:5. Of the adults, the ratio who have monthly passes to those who pay cash is 3:1. Of the children, this ratio is 2:3. If there are 72 passengers, how many pay cash? Answer = ","answers":["32",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10458,"type":2,"question":"An orchard has apple and orange trees in the ratio 3:4. Of the apple trees, the ratio of bearing fruit to not bearing is 5:1. Of the orange trees, this ratio is 7:1. What percentage of all trees are bearing fruit? Express your answer to 2 decimal places Answer = ","answers":["32",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10459,"type":2,"question":"A toy store sells dolls and cars in the ratio 5:8. Of the dolls, the ratio of plastic to cloth is 3:2. Of the cars, the ratio of plastic to metal is 5:3. If 130 toys were sold, how many plastic toys were sold? Answer = ","answers":["80",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10460,"type":2,"question":"A hotel has single and double rooms in the ratio 2:3. Of the single rooms, the ratio of occupied to vacant is 3:1. Of the double rooms, this ratio is 4:1. If there are 100 rooms, how many rooms are vacant? Answer = ","answers":["22",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10461,"type":2,"question":"A music school has piano and violin students in the ratio 5:3. Of the piano students, the ratio of beginners to advanced is 2:3. Of the violin students, this ratio is 5:1. What percentage of all students are beginners? Express your answer in 2 decimal places. Answer = ","answers":["22",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10462,"type":2,"question":"A café serves hot and cold drinks in the ratio 7:3. Of the hot drinks, the ratio of coffee to tea is 4:3. Of the cold drinks, the ratio of coffee to tea is 1:2. What is the ratio of all coffee to all tea drinks served? Answer = : ____","answers":["1",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10463,"type":2,"question":"A swimming club has junior and senior members in the ratio 4:3. Of the juniors, the ratio who compete to those who don't is 1:3. Of the seniors, this ratio is 2:1. If there are 84 members, how many more members compete than don't compete? Answer = ","answers":["12",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10464,"type":2,"question":"A concert has VIP and regular ticket holders in the ratio 1:9. Of the VIP holders, the ratio of early birds to walk-ins is 7:3. Of the regular holders, this ratio is 2:3. If there are 500 people at the concert, how many walk-ins are there? Answer = ","answers":["285",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10465,"type":2,"question":"A bakery produces croissants and baguettes in the ratio 4:7. Of the croissants, the ratio of chocolate to plain is 3:5. Of the baguettes, the ratio of seeded to plain is 2:5. If 88 items were produced, how many plain items were there in total? Answer = ","answers":["60",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10466,"type":2,"question":"A museum has paintings and sculptures in the ratio 9:4. Of the paintings, the ratio of modern to classical is 2:1. Of the sculptures, the ratio of modern to classical is 1:3. If there are 52 artworks, how many are modern? Answer = ","answers":["28",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10467,"type":2,"question":"A dental clinic has adult and child patients in the ratio 5:2. Of the adults, the ratio with cavities to without is 3:7. Of the children, this ratio is 4:1. If 70 patients visited the clinic, how many had cavities? Answer = ","answers":["31",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10468,"type":2,"question":"A warehouse stores electronics and furniture in the ratio 3:2. Of the electronics, the ratio of imported to local is 5:4. Of the furniture, the ratio of imported to local is 1:3. If there are 180 items, what is the ratio of all imported to all local items? Answer = : ____","answers":["13",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10469,"type":2,"question":"A yoga studio has morning and evening classes in the ratio 3:5. Of the morning attendees, the ratio of members to non-members is 7:2. Of the evening attendees, this ratio is 3:2. If 144 people attended classes, how many were non-members? Answer = ","answers":["48",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10470,"type":2,"question":"A florist sells tulips and daisies in the ratio 5:6. Of the tulips, the ratio of pink to yellow is 2:3. Of the daisies, the ratio of pink to yellow is 5:1. If there are 66 flowers, how many yellow flowers are there? Answer = ","answers":["24",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10471,"type":2,"question":"A tech company has engineers and designers in the ratio 7:3. Of the engineers, the ratio of software to hardware is 5:2. Of the designers, the ratio of UX to graphic is 2:1. If there are 120 employees, how many software engineers are there? Answer = ","answers":["60",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10472,"type":2,"question":"A chess tournament has amateur and professional players in the ratio 5:4. Of the amateurs, the ratio who win their first match to those who lose is 2:3. Of the professionals, this ratio is 3:1. If 90 players participate, how many win their first match? Answer = ","answers":["50",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10473,"type":2,"question":"A charity event has donors and volunteers in the ratio 2:7. Of the donors, the ratio of corporate to individual is 1:3. Of the volunteers, the ratio of corporate to individual is 2:5. If there are 126 participants, what is the ratio of all corporate to all individual participants? Answer = : ____","answers":["5",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10474,"type":2,"question":"A fitness centre has treadmills and bicycles in the ratio 4:5. Of the treadmills, the ratio of occupied to vacant is 5:3. Of the bicycles, this ratio is 7:3. If there are 72 machines, how many are vacant? Answer = ","answers":["24",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10475,"type":2,"question":"A video game store sells consoles and games in the ratio 1:8. Of the consoles, the ratio of new to refurbished is 4:1. Of the games, the ratio of new to pre-owned is 3:5. If 360 items were sold, how many new items were sold? Answer = ","answers":["152",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10476,"type":2,"question":"A language school has Spanish and French learners in the ratio 7:5. Of the Spanish learners, the ratio of beginners to intermediate to advanced is 4:2:1. Of the French learners, the ratio of beginners to intermediate to advanced is 3:1:1. If there are 84 learners, how many are at intermediate level? Answer = ","answers":["24",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10477,"type":2,"question":"A wedding has guests from the bride's side and groom's side in the ratio 6:5. Of the bride's guests, the ratio of family to friends is 2:7. Of the groom's guests, this ratio is 3:2. If there are 99 guests, how many are family members? Answer = ","answers":["39",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10478,"type":2,"question":"A hiking group has experienced and novice hikers in the ratio 2:5. Of the experienced hikers, the ratio who brought their own gear to those who rented is 3:1. Of the novice hikers, this ratio is 2:3. If 70 hikers participated, how many rented gear? Answer = ","answers":["35",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10479,"type":2,"question":"A pottery studio has vases and bowls on display in the ratio 5:7. Of the vases, the ratio of glazed to unglazed is 3:2. Of the bowls, the ratio of glazed to unglazed is 4:3. If there are 84 items on display, how many are glazed? Answer = ","answers":["49",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10480,"type":2,"question":"A driving school has automatic and manual learners in the ratio 9:5. Of the automatic learners, the ratio who pass on first attempt to those who don't is 5:4. Of the manual learners, this ratio is 2:3. What percentage of all learners pass on first attempt? Answer = ","answers":["50",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10481,"type":2,"question":"A juice bar sells smoothies and milkshakes in the ratio 8:5. Of the smoothies, the ratio of fruit-based to vegetable-based is 5:3. Of the milkshakes, the ratio of chocolate to vanilla is 3:2. If 130 drinks were sold, how many fruit-based smoothies were sold? Answer = ","answers":["50",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10482,"type":2,"question":"A craft fair has jewellery and pottery stalls in the ratio 4:3. Of the jewellery stalls, the ratio of handmade to machine-made is 7:1. Of the pottery stalls, this ratio is 5:1. If there are 168 stalls, how many sell handmade items? Answer = ","answers":["144",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10483,"type":2,"question":"A ski resort has adult and child skiers in the ratio 5:4. Of the adults, the ratio who take lessons to those who don't is 1:4. Of the children, this ratio is 3:1. If 180 skiers visited the resort, how many more children than adults took lessons? Answer = ","answers":["40",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10484,"type":2,"question":"A photography club has amateurs and professionals in the ratio 11:4. Of the amateurs, the ratio who use digital to film cameras is 9:2. Of the professionals, this ratio is 3:1. If there are 75 members, how many use film cameras? Answer = ","answers":["15",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10485,"type":2,"question":"A school has boys and girls in the ratio 3:2. Of the boys, the ratio of those who wear glasses to those who don't is 1:5. Of the girls, this ratio is 1:3. If there are 120 students, how many wear glasses? Answer = ","answers":["24",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10486,"type":2,"question":"A library has English and Chinese books in the ratio 7:3. Of the English books, the ratio of fiction to non-fiction is 4:3. Of the Chinese books, this ratio is 2:1. If there are 100 books, how many are fiction? Answer = ","answers":["60",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10487,"type":2,"question":"A car park has cars and motorcycles in the ratio 4:1. Of the cars, the ratio of red to blue is 3:1. Of the motorcycles, the ratio of red to blue is 1:1. If there are 50 vehicles, how many are red? Answer = ","answers":["35",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10488,"type":2,"question":"A shop sells pens and pencils in the ratio 2:3. Of the pens, the ratio of black to blue is 3:2. Of the pencils, the ratio of black to blue is 1:4. If 100 items were sold, how many blue items were sold? Answer = ","answers":["64",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10489,"type":2,"question":"A class has local and foreign students in the ratio 5:1. Of the local students, the ratio who take the bus to those who walk is 3:2. Of the foreign students, this ratio is 1:1. If there are 60 students, how many take the bus? Answer = ","answers":["35",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10490,"type":2,"question":"A fruit shop sells apples and pears in the ratio 3:4. Of the apples, the ratio of sweet to sour is 5:1. Of the pears, this ratio is 3:1. If 140 fruits were sold, how many sweet fruits were sold? Answer = ","answers":["110",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10491,"type":2,"question":"A restaurant serves adults and children in the ratio 7:2. Of the adults, the ratio who order drinks to those who don't is 5:2. Of the children, this ratio is 1:1. If 90 customers were served, how many ordered drinks? Answer = ","answers":["60",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10492,"type":2,"question":"A toy store sells dolls and robots in the ratio 2:5. Of the dolls, the ratio of large to small is 1:3. Of the robots, this ratio is 2:3. If 70 toys were sold, how many small toys were sold? Answer = ","answers":["45",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10493,"type":2,"question":"A garden has roses and sunflowers in the ratio 4:5. Of the roses, the ratio of blooming to wilting is 7:1. Of the sunflowers, this ratio is 4:1. If there are 72 flowers, how many are blooming? Answer = ","answers":["60",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10494,"type":2,"question":"A cinema has adults and seniors in the ratio 8:3. Of the adults, the ratio who bought snacks to those who didn't is 3:1. Of the seniors, this ratio is 1:2. If 110 people attended, how many bought snacks? Answer = ","answers":["70",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10495,"type":2,"question":"A swimming pool has members and non-members in the ratio 5:4. Of the members, the ratio of adults to children is 2:3. Of the non-members, this ratio is 1:3. If 108 people visited, how many were children? Answer = ","answers":["72",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10496,"type":2,"question":"A bakery sells cakes and muffins in the ratio 2:7. Of the cakes, the ratio of chocolate to vanilla is 1:1. Of the muffins, this ratio is 4:3. If 126 items were sold, how many chocolate items were sold? Answer = ","answers":["70",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10497,"type":2,"question":"A hotel has single and double rooms in the ratio 3:7. Of the single rooms, the ratio of occupied to vacant is 2:1. Of the double rooms, this ratio is 5:2. If there are 80 rooms, how many are occupied? Answer = ","answers":["56",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10498,"type":2,"question":"A sports club has tennis and badminton players in the ratio 4:5. Of the tennis players, the ratio of male to female is 3:1. Of the badminton players, this ratio is 2:3. If there are 90 players, how many are female? Answer = ","answers":["40",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10499,"type":2,"question":"A coffee shop sells hot and cold drinks in the ratio 5:3. Of the hot drinks, the ratio of coffee to tea is 4:1. Of the cold drinks, this ratio is 1:2. If 120 drinks were sold, how many were coffee? Answer = ","answers":["75",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10500,"type":2,"question":"A market sells vegetables and fruits in the ratio 3:5. Of the vegetables, the ratio of organic to non-organic is 1:2. Of the fruits, this ratio is 2:3. If 160 items were sold, how many were organic? Answer = ","answers":["60",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10501,"type":2,"question":"A school bus has primary and secondary students in the ratio 7:4. Of the primary students, the ratio who bring lunch to those who buy is 5:2. Of the secondary students, this ratio is 1:3. If 88 students ride the bus, how many bring lunch? Answer = ","answers":["48",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10502,"type":2,"question":"A pet shop has cats and dogs in the ratio 3:5. Of the cats, the ratio of kittens to adults is 2:1. Of the dogs, this ratio is 3:2. If there are 80 animals, how many are adults? Answer = ","answers":["30",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10503,"type":2,"question":"A hospital has doctors and nurses in the ratio 2:9. Of the doctors, the ratio of specialists to general practitioners is 5:1. Of the nurses, the ratio of registered to trainee is 7:2. If there are 132 staff, how many are trainees or general practitioners? Answer = ","answers":["28",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10504,"type":2,"question":"A publishing house produces novels and textbooks in the ratio 8:5. Of the novels, the ratio of paperback to hardcover is 7:1. Of the textbooks, this ratio is 2:3. If 260 books were produced, how many hardcover books were produced? Answer = ","answers":["80",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10505,"type":2,"question":"An airline has economy and business passengers in the ratio 11:2. Of the economy passengers, the ratio who checked baggage to those who didn't is 4:1. Of the business passengers, this ratio is 9:1. If 390 passengers flew, how many did not check baggage? Answer = ","answers":["72",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10506,"type":2,"question":"A supermarket sells fresh and frozen produce in the ratio 7:4. Of the fresh produce, the ratio of local to imported is 5:2. Of the frozen produce, this ratio is 1:7. If 440 items were sold, what is the ratio of all local to all imported items? Answer = : ____","answers":["72",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10507,"type":2,"question":"A theme park has thrill rides and family rides in the ratio 3:8. Of the thrill ride visitors, the ratio of teens to adults is 5:4. Of the family ride visitors, this ratio is 2:7. If 990 people rode the rides, how many more adults than teens rode the rides? Answer = : ____","answers":["370",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10508,"type":2,"question":"A furniture store sells indoor and outdoor furniture in the ratio 9:5. Of the indoor furniture, the ratio of wooden to metal is 5:4. Of the outdoor furniture, this ratio is 1:4. If 280 pieces were sold, how many wooden pieces were sold? Answer = : ____","answers":["120",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10509,"type":2,"question":"A gym has weightlifters and cardio enthusiasts in the ratio 4:7. Of the weightlifters, the ratio who use protein supplements to those who don't is 7:1. Of the cardio enthusiasts, this ratio is 2:5. If 176 members were surveyed, how many use protein supplements? Answer = ","answers":["88",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10510,"type":2,"question":"A concert hall has orchestra and balcony seats in the ratio 5:3. Of the orchestra seats, the ratio of occupied to empty is 9:1. Of the balcony seats, this ratio is 5:3. If there are 640 seats, how many are empty? Answer = ","answers":["130",null,null,null],"correct_index":null,"solution":null,"hints":[]},{"id":10619,"type":1,"question":"Annie lives on the 8th floor. Alex lives 2 floors higher than Annie. Alex lives on the _____ floor.","answers":["$$7th$$","$$6th$$","$$10th$$","$$4th$$"],"correct_index":2,"solution":null,"hints":[]},{"id":10620,"type":1,"question":"The mass of my pencil is 20 ___.","answers":["kg","g",null,null],"correct_index":1,"solution":null,"hints":[]},{"id":10623,"type":1,"question":"One dollar and eighty-five cents is the same as _____.","answers":["$0.85","$1.58","$1.85","$18.05"],"correct_index":2,"solution":null,"hints":[]},{"id":10624,"type":1,"question":"A girl saved 3 two-dollar notes and 4 fifty-cent coins. Expressed in dollars, her savings is _____?","answers":["$3.45","$3.50","$6.50","$8.00"],"correct_index":3,"solution":null,"hints":[]},{"id":10627,"type":1,"question":"Which has the same value as $$\\frac{2}{10}$$ + $$\\frac{3}{10}$$?","answers":["1 - $$\\frac{2}{10}-\\frac{3}{10}$$","$$\\frac{9}{10}-\\frac{5}{10}$$","$$\\frac{1}{10}$$ + $$\\frac{6}{10}$$","$$\\frac{9}{11}-\\frac{9}{11}$$"],"correct_index":0,"solution":null,"hints":[]},{"id":10631,"type":1,"question":"A semicircle is made up of _____.","answers":["1 straight line and 1 curve","1 straight line and 2 curves","2 straight lines and 1 curve","2 straight lines and 2 curves"],"correct_index":0,"solution":null,"hints":[]},{"id":10634,"type":1,"question":"The digit 5 in 1548 stands for 5 x _____.","answers":["1","10","100","1000"],"correct_index":2,"solution":null,"hints":[]},{"id":10635,"type":1,"question":"In the number pattern 4038, 5038, 6038, .... the digit in which place changes is?","answers":["ones","tens","hundreds","thousands"],"correct_index":3,"solution":null,"hints":[]},{"id":10636,"type":1,"question":"Which number has 1 in the hundreds place?","answers":["7819","1016","4175","8211"],"correct_index":2,"solution":null,"hints":[]},{"id":10637,"type":1,"question":"Add 4748 and 2926. From the answer, what is the digit in the tens place?","answers":["7","6","5","4"],"correct_index":0,"solution":null,"hints":[]},{"id":10638,"type":1,"question":"Using all the digits: 8, 7, 2, 6, form the greatest and smallest 4-digit numbers. Then, find the difference between these two numbers.","answers":["7172","7273","6084","7173"],"correct_index":2,"solution":null,"hints":[]},{"id":10639,"type":1,"question":"Which of the following is the same as 8 x 6?","answers":["6+6+6+6+6+6","6 x 6 x 6 x 6 x 6 x 6","8+8+8+8+8+8","8 x 8 x 8 x 8 x 8 x 8"],"correct_index":2,"solution":null,"hints":[]},{"id":10640,"type":1,"question":"Multiply 237 by 3. What is the answer?","answers":["79","234","240","711"],"correct_index":3,"solution":null,"hints":[]},{"id":10641,"type":1,"question":"What is the sum of \\(\\$28.35\\) and \\(\\$16.75\\)?","answers":["$11.60","$12.40","$44.10","$45.10"],"correct_index":3,"solution":null,"hints":[]},{"id":10642,"type":1,"question":"Elaine exchanged a \\(\\$10\\) note for 20 coins. All the coins had the same value. What was the value of each coin?","answers":["10¢","20¢","50¢","$1.00"],"correct_index":2,"solution":null,"hints":[]},{"id":10643,"type":1,"question":"Every morning, Nicholas walks a distance of about 2 _____. from his home to the school.","answers":["cm","m","kg","km"],"correct_index":3,"solution":null,"hints":[]},{"id":10645,"type":1,"question":"Larry is twice as heavy as Peter. Peter is 36 kg lighter than Larry. Find the total mass of Peter and Larry.","answers":["12 kg","18 kg","72 kg","108 kg"],"correct_index":3,"solution":null,"hints":[]},{"id":10647,"type":1,"question":"Which fraction is equivalent to $$ \\frac{1}{4}$$ ?","answers":["$$ \\frac{6}{24}$$ ","$$ \\frac{3}{15}$$ ","$$ \\frac{5}{25}$$ ","$$ \\frac{4}{12}$$ "],"correct_index":0,"solution":null,"hints":[]},{"id":10648,"type":1,"question":"Marie bought a cake and gave $$\\frac{2}{5}$$ of it to her daughter. She kept the same portion for her son and ate the rest. What fraction of the cake did she eat?","answers":["$$\\frac{2}{5}$$","$$\\frac{1}{5}$$","$$\\frac{5}{31}$$","$$\\frac{2}{5}$$"],"correct_index":1,"solution":null,"hints":[]},{"id":10650,"type":1,"question":"Fill in the blanks with ‘past’ or ‘to’. 10.50 is 10 minutes _____11.","answers":["past","to",null,null],"correct_index":1,"solution":null,"hints":[]},{"id":10651,"type":1,"question":"Zoe swam for 2 h 45 min. Express the time in minutes. ___________ minutes.","answers":["105","145","165","245"],"correct_index":2,"solution":null,"hints":[]},{"id":10652,"type":1,"question":"The time is 11.30 p.m. now. What time will it be 45 minutes from now?","answers":["10.45 a.m","12.15 a.m.","10.45 p.m.","12.15 p.m."],"correct_index":1,"solution":null,"hints":[]},{"id":10653,"type":1,"question":"Mr Lee drove his car into a car park at a shopping mall at 2.15 p.m. He drove his car out of the car park after 2 hours 50 minutes. What time did he drive his car out of the car park?","answers":["11.25 a.m.","2.50 p.m.","5.05 p.m.","11.25 p.m."],"correct_index":2,"solution":null,"hints":[]},{"id":10662,"type":1,"question":"Is 36 a multiple of 3?","answers":["Yes","No",null,null],"correct_index":0,"solution":null,"hints":[]},{"id":10663,"type":1,"question":"10499 is 10000 when rounded to the nearest _____","answers":["ten"," hundred ","thousand",null],"correct_index":2,"solution":null,"hints":[]},{"id":10664,"type":1,"question":"In 73 890, the digit 7 is in the ______ place.","answers":["tens"," hundreds","thousands"," ten thousands"],"correct_index":3,"solution":null,"hints":[]},{"id":10665,"type":1,"question":"Which of the following numbers is a common factor of 8 and 10?","answers":["18","2","40","80"],"correct_index":1,"solution":null,"hints":[]},{"id":10666,"type":1,"question":"The product of all the factors of 8 is __________","answers":["64","32","16","15"],"correct_index":0,"solution":null,"hints":[]},{"id":10667,"type":1,"question":"Which is estimated to a value of 800?","answers":["23 x 4","4 x 281","11 x 74","418 x 2"],"correct_index":3,"solution":null,"hints":[]},{"id":10668,"type":1,"question":"Which gives a quotient of 427?","answers":["1713 ÷ 4","1289 ÷ 3","3413 ÷ 8","2990 ÷ 7"],"correct_index":3,"solution":null,"hints":[]},{"id":10671,"type":1,"question":"Convert $$\\frac{7}{2}$$ to a whole or mixed number in its simplest form.","answers":["3$$\\frac{1}{2}$$","2$$\\frac{2}{5}$$","2$$\\frac{2}{3}$$","$$4\\frac{1}{2}$$"],"correct_index":0,"solution":null,"hints":[]},{"id":10672,"type":1,"question":"\\(\\dfrac{1}{3}\\)+\\(\\dfrac{5}{6}\\)=______________","answers":[null,"1\\(\\dfrac{1}{2}\\)","1\\(\\dfrac{3}{4}\\)","None of the above"],"correct_index":1,"solution":null,"hints":[]},{"id":10673,"type":1,"question":"Karl had 2 identical cakes. He ate $$\\frac{1}{3}$$ of a cake. What fraction of the cakes were left?","answers":["1$$\\frac{3}{4}$$","1$$\\frac{2}{3}$$","1$$\\frac{7}{10}$$","2$$\\frac{3}{10}$$"],"correct_index":1,"solution":null,"hints":[]},{"id":10674,"type":1,"question":"Arrange in increasing order. $$\\frac{7}{6}$$, 1$$\\frac{1}{12}$$, 1, $$\\frac{11}{6}$$,","answers":[" $$\\frac{11}{6}$$, 1, $$\\frac{7}{6}$$, 1$$\\frac{1}{12}$$, ","$$\\frac{7}{6}$$, $$\\frac{11}{6}$$, 1, 1$$\\frac{1}{12}$$,","1,1$$\\frac{1}{12}$$, $$\\frac{7}{6}$$, $$\\frac{11}{6}$$","None of the above"],"correct_index":2,"solution":null,"hints":[]},{"id":10676,"type":1,"question":"_____ of a complete turn is 90°.","answers":["$$\\frac{1}{8}$$","$$\\frac{1}{2}$$","$$\\frac{1}{4}$$","None of the above"],"correct_index":2,"solution":null,"hints":[]},{"id":10678,"type":1,"question":"3$$\\frac{50}{100}$$ = _____.","answers":["3.5","3.05","3.005","3.505"],"correct_index":0,"solution":null,"hints":[]},{"id":10679,"type":1,"question":"_____ when rounded to the nearest whole number is 8.","answers":["7.45","8.099","7.39","8.5"],"correct_index":1,"solution":null,"hints":[]},{"id":10680,"type":1,"question":"0.32 = $$\\frac{3}{10}$$ + _____","answers":["$$\\frac{2}{5}$$","$$\\frac{1}{2}$$","$$\\frac{1}{50}$$","None of the above"],"correct_index":2,"solution":null,"hints":[]},{"id":10681,"type":1,"question":"Estimate the value of 31.15 - 7.56 by rounding the numbers to the nearest tenth.","answers":["23.5","23.6","23.7","38.8"],"correct_index":1,"solution":null,"hints":[]},{"id":10682,"type":1,"question":"20.50 x 9 = _____","answers":["1.845","18.45","184.5","1845"],"correct_index":3,"solution":null,"hints":[]},{"id":10683,"type":1,"question":"5.2 = 2 ones ______ tenths","answers":["12","2","22","32"],"correct_index":3,"solution":null,"hints":[]},{"id":10684,"type":1,"question":"Which of the following activities can be done in 1 s?","answers":["Nod your head ten times","Walk 1 km","Sing the national anthem","Say ‘I love Maths’"],"correct_index":3,"solution":null,"hints":[]},{"id":10688,"type":1,"question":"Express the answer in its simplest form where necessary. $$\\frac{1}{5}$$ + $$\\frac{1}{4}$$ = _______","answers":["$$\\frac{1}{9}$$","$$\\frac{2}{9}$$","$$\\frac{9}{20}$$","None of the above"],"correct_index":2,"solution":null,"hints":[]},{"id":10689,"type":1,"question":"Express the answer as a mixed number in its simplest form where necessary. 1 $$\\frac{2}{3}$$ + 1 $$\\frac{2}{5}$$ = _______","answers":["3 $$\\frac{1}{15}$$","3 $$\\frac{2}{15}$$","2 $$\\frac{4}{8}$$","None of the above"],"correct_index":0,"solution":null,"hints":[]},{"id":10690,"type":1,"question":"Larry spent $$\\frac{2}{5}$$ of his pocket money on food. He spent $$\\frac{1}{6}$$ of his pocket money on a book. What fraction of Larry's money was spent?","answers":["$$\\frac{7}{30}$$","$$\\frac{13}{30}$$","$$\\frac{17}{30}$$","$$\\frac{23}{30}$$"],"correct_index":2,"solution":null,"hints":[]},{"id":10691,"type":1,"question":"Mrs Kway-kway had $$\\frac{1}{2}$$ kg of sugar. She used $$\\frac{3}{4}$$ of it to bake a cake. How much sugar did she use?","answers":["$$\\frac{2}{3}$$","$$\\frac{4}{5}$$","$$\\frac{3}{8}$$","$$\\frac{1}{4}$$"],"correct_index":2,"solution":null,"hints":[]},{"id":10692,"type":1,"question":"Janet read $$\\frac{3}{10}$$ of a novel on Saturday and $$\\frac{1}{10}$$ of the novel on Sunday. If she is able ro read $$\\frac{1}{5}$$ of the novel every day from Monday onwards, which day will she complete reading the novel? She will complete the novel on ___________.","answers":["Friday","Tuesday","Wednesday","Sunday"],"correct_index":2,"solution":null,"hints":[]},{"id":10693,"type":1,"question":"There were a total of 16 apples and pears in a basket. The number of apples was 4 more than the number of pears. The ratio of the number of apples to the number of pears = ","answers":["8 : 4","10 : 16","5 : 3","1 : 2"],"correct_index":2,"solution":null,"hints":[]},{"id":10694,"type":1,"question":"Lance and his sister saved \\(\\$100\\) altogether. Lance saved \\(\\$45\\). Find the ratio of Lance's savings to his sister's savings. ","answers":["20 : 9","9 : 20","11 : 9","9 : 11"],"correct_index":3,"solution":null,"hints":[]},{"id":10695,"type":1,"question":"The usual price of am assessment book is \\(\\$8\\). At a sale, it is sold at 25% discount. How much does Jerry have to pay for the book during the sale?","answers":["$6","$4","$2.50","$2"],"correct_index":0,"solution":null,"hints":[]},{"id":10698,"type":1,"question":"The capacity of Kayle's water bottle is 500 _____","answers":["l","m³","cm³","cm²"],"correct_index":2,"solution":null,"hints":[]},{"id":10699,"type":1,"question":"A rectangular container measured 5 cm by 4 cm by 20 cm. It is filled with liquid detergent up to $$\\frac{9}{10}$$ of its height. Find the volume of detergent in the container.","answers":["400 cm³","360cm³","340 cm³","230cm³"],"correct_index":1,"solution":null,"hints":[]},{"id":10700,"type":1,"question":"A cubical container of edge 30 cm is filled with water to the brim. Then, some of the water is poured into a rectangular tank measuring 15 cm by 10 cm by 10 cm to fill it to its brim. What fraction of the water is left?","answers":["$$\\frac{25}{27}$$","$$\\frac{26}{17}$$","$$\\frac{17}{18}$$","$$\\frac{16}{19}$$"],"correct_index":2,"solution":null,"hints":[]},{"id":10704,"type":1,"question":"Which of the following is equivalent to 18:20 in the 24-hour clock?","answers":["8:20 PM","6:20 PM","18:20","8:20 AM"],"correct_index":2,"solution":null,"hints":[]},{"id":10706,"type":1,"question":"If Tom is facing the beach, where is the ice cream shop located in relation to Tom?","answers":["south-west","north","north-west","north-east"],"correct_index":3,"solution":null,"hints":[]},{"id":10707,"type":1,"question":"What is the 2-D representation of a cone?","answers":["Circle","Triangle","Square","Rectangle"],"correct_index":0,"solution":null,"hints":[]},{"id":10708,"type":1,"question":"Which pair of lines must never meet and are always the same distance apart?","answers":["Perpendicular lines","Parallel lines","Intersecting lines","None of the above"],"correct_index":1,"solution":null,"hints":[]},{"id":10709,"type":1,"question":"Which fraction is equivalent to 3/4?","answers":["6/8","8/12","9/16","None of the above"],"correct_index":0,"solution":null,"hints":[]},{"id":10710,"type":1,"question":"What is 240 × 30?","answers":["6200","7000","8200","None of the above"],"correct_index":3,"solution":null,"hints":[]},{"id":10711,"type":1,"question":"What is the value of the 7 in 7,406?","answers":["7 ones","7 tens","7 hundreds","7 thousands"],"correct_index":3,"solution":null,"hints":[]},{"id":10712,"type":1,"question":"A bar graph shows toy cars sold: Red=12, Blue=9, Green=6, Yellow=9. 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