{"24234":{"id":24234,"question":"Jamie paid $63 for a bag and 2 pencil cases. The price of a pencil case was \\(\\dfrac{2}{5}\\) the price of the bag. How much did Jamie pay for the bag? $","answer0":"35","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24239":{"id":24239,"question":"A jar of peanut butter costs $2.80 and a bundle of 3 jars of peanut butter costs $7. Samuel wants to buy exactly 26 jars of peanut butter. What is the least amount of money he needs? $","answer0":"61.60","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24240":{"id":24240,"question":"Jonathan was given a fixed amount of pocket money each month. In July, he spent $80 and saved the rest. In August, he spent 10% less and his savings increased by 20%. How much was Jonathan's pocket money for each month? $","answer0":"120","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24249":{"id":24249,"question":"Mr Fam wanted to buy T-shirts for his workers. He asked them to choose one colour from yellow, blue and purple for the T-shirt. The bar graph shows the results: Yellow 12, Blue 45, Purple 27. (a) How many workers were there altogether? (b) Mr Fam paid a total of $384 for the T-shirts. The prices of Yellow, Blue and Purple T-shirts were in the ratio 2 : 1 : 1. How much did Mr Fam pay for all the Purple T-shirts? $","answer0":"84","answer1":"108","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24256":{"id":24256,"question":"James used \\(\\dfrac{1}{4}\\) of his money to buy 3 pencil cases and 7 key chains. The cost of each pencil case is 3 times the cost of each key chain. He bought some more key chains with \\(\\dfrac{5}{6}\\) of his remaining money. He spent $30.40 more on all the key chains than on all the pencil cases. How much was the cost of one key chain? $","answer0":"0.80","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24677":{"id":24677,"question":"The pie chart shows how Rory spent his pocket money last month. He spent $30 more on item D than item C. How much did he spend on item B?","answer0":"$70","answer1":"$60","answer2":"$45","answer3":"$25","type_id":1,"correct_answer":2},"24682":{"id":24682,"question":"The table shows the parking charges for a motorist in a shopping centre. 7 am to 6 pm \u2014 1st hour: $2.20; subsequent 30 minutes or part thereof: $1.50. After 6 pm \u2014 $2.50 per entry. Mr Lim parked his car from 4 p.m. to 7 p.m. How much parking charges did he pay?","answer0":"$6.20","answer1":"$6.90","answer2":"$7.70","answer3":"$8.50","type_id":1,"correct_answer":2},"24694":{"id":24694,"question":"BIG SALE!!! Buy first toaster oven at 10% discount. Buy second toaster oven at 20% discount. Price of 2nd toaster oven should be equal to or lower than price of 1st toaster oven. Uncle Jaime bought 2 toaster ovens at the sale. The two toaster ovens were priced at $40 and $60. How much did he pay for the two toaster ovens? ","answer0":"86","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24697":{"id":24697,"question":"The table shows the amount of money Jamie spent at a restaurant for the first three weeks. Week 1: $36; Week 2: $39; Week 3: $37; Week 4: ? Jamie will get a free meal if the average amount of money he spent for three of the four weeks is $40 or more. What is the smallest amount Jamie must spend in Week 4 to receive the free meal? ","answer0":"44","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24701":{"id":24701,"question":"Alisha bought candles of 3 different fragrances. The bar graph shows the number of each type of candle she bought. The number of candles is not shown on the scale. (a) What percentage of the candles Alisha bought were mint candles? (b) The price of each rose candle is $12.80. Alisha spent $153.60 on rose candles. How many vanilla candles did she buy? ","answer0":"50","answer1":"24","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24707":{"id":24707,"question":"Raju, Sam and Tristan had a total of $435. Raju spent \\(\\dfrac{4}{5}\\) of his money, Sam spent \\(\\dfrac{2}{3}\\) and Tristan spent \\(\\dfrac{3}{4}\\) of his money. In the end, Raju had $55 more than Sam and Tristan had $10 more than Sam. How much money did Tristan have at first? ","answer0":"80","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24708":{"id":24708,"question":"Matt bought some Dino Brand and Lion Brand correction tapes. Dino Brand: 4 for $8.50. Lion Brand: 3 for $7.25. \\(\\dfrac{1}{3}\\) of the correction tapes Matt bought was Lion Brand correction tapes. He spent $198 more on Dino Brand correction tapes. How much did he spend on the correction tapes? ","answer0":"720","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25644":{"id":25644,"question":"Kelvin has just enough money to buy 15 files. If the price of each file is reduced by 30\u00a2 he will be able to buy 3 more files. What is the original price of each file? Give your answer in dollars. $","answer0":"1.80","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25645":{"id":25645,"question":"Ahmad has some 10-cent, 20-cent and 50-cent coins. There are 3 times as many 50-cent coins as 20-cent coins. The number of 50-cent coins is \\(\\dfrac{3}{5}\\) of the number of 10-cent coins. The total amount of the 50-cent and 10-cent coins Ahmad has is $84. What is the total number of 50-cent and 10-cent coins Ahmad had? ","answer0":"336","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"27249":{"id":27249,"question":"Jackson had $20. He spent $8 on a burger. What percentage of his money did he spend on the burger?","answer0":"20%","answer1":"28%","answer2":"40%","answer3":"75%","type_id":1,"correct_answer":2},"27259":{"id":27259,"question":"A clothing store has a sale. The original price of a pair of pants was $75. The price of the pair of pants during the sale was $60. Find the percentage decrease in price. ","answer0":"20","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26218":{"id":26218,"question":"The table shows the rates for renting a bicycle at a shop. First hour: $8 Every additional 30 min or part thereof: ? Daisy rented two bicycles from 3.00 pm to 5.50 pm. She paid a total of $32 for renting the bicycles. How much did Daisy have to pay for every additional 30 min or part thereof for renting a bicycle?","answer0":"$6","answer1":"$2","answer2":"$8","answer3":"$4","type_id":1,"correct_answer":1},"26229":{"id":26229,"question":"Zhi Xiang went to a shop to buy a bag. The shop gave a discount of $5 for every $25 spent. Zhi Xiang paid $96 for a bag. What was the price of the bag before the discount? ","answer0":"116","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26231":{"id":26231,"question":"Christopher has $63. Box of 9 cupcakes \u2013 $25 1 cupcake \u2013 $3 What is the greatest number of cupcakes he can buy? ","answer0":"22","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26235":{"id":26235,"question":"Corinne saved 20% of her monthly income. In August, her income decreased by 15%. As a result, her savings in August was decreased by $120 compared to her savings in July. What was her income in July? ","answer0":"4000","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26240":{"id":26240,"question":"A shop sold electronic devices was having a sale. 1st item at 15% discount, 2nd item at 20% discount. Price of 2nd item must be equal or lower than the price of 1st item. Mr Poh bought a tablet at $230 and a laptop at $550. How much did he pay for the two items? ","answer0":"651.50","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26241":{"id":26241,"question":"A shop sale gives the 1st item 15% discount and the 2nd item 20% discount (2nd item priced equal or lower than the 1st). Mr Chian bought two identical smart watches. He received a total discount of $147. What was the price of one smart watch before the discount? ","answer0":"420","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26247":{"id":26247,"question":"At a school bookshop, erasers are only sold in packs of 4 and pencils are only sold in packs of 5. Erasers: 4 for $1.99. Pencils: 5 for $2.99. Mr Lim spent $139.45 buying some erasers and pencils for Children's Day. He put all the erasers and pencils into bags. The ratio of the number of erasers to the number of pencils in each bag was 2 : 3. How many pencils did he buy? ","answer0":"150","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26249":{"id":26249,"question":"Gary spent \\(\\dfrac{5}{8}\\) of his money on 10 identical notebooks and 10 identical files, then \\(\\dfrac{5}{6}\\) of his remaining money on a bag. Each file cost $4 more than each notebook and the bag cost $38 more than each notebook. How much money had Gary left? ","answer0":"8","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29090":{"id":29090,"question":"The table shows the rates for renting a bicycle at a shop. Daniel rented a bicycle at 8.20 a.m. What is the latest time Daniel must return his bicycle if he only has $20 to spend on rental fees?","answer0":"10.20 a.m.","answer1":"10.50 a.m.","answer2":"11.20 a.m.","answer3":"11.50 a.m.","type_id":1,"correct_answer":1},"29107":{"id":29107,"question":"During a sale, a store gave a storewide discount of 20%. Darryl signed up as a member and received an additional 10% discount on the discounted price. He paid $720 for the coffee machine. What was the total amount of his discount? Ans: $","answer0":"280","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29110":{"id":29110,"question":"Samad saves $2.50 every day. For every $15 saved, his father will give him an additional $3. How much money will Samad save in 50 days? Ans: $","answer0":"149","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29111":{"id":29111,"question":"Eric gives \\(\\dfrac{1}{4}\\) of his income to his parents. When his income increased by 20%, his parents received $240 more. What is his income before the increase? Ans: $","answer0":"4800","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29116":{"id":29116,"question":"The pie chart shows how Isabelle spent her money. Transport is 24% and Food is 60%. The amount of money Isabelle saved is 25% of the amount she spent on transport. (b) Isabelle saved $90. How much money did she spend in total? Ans: $","answer0":"1410","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29123":{"id":29123,"question":"A shop offered 120 T-shirts at a 20% discount during a 7-day sale. The line graph shows the number of T-shirts left unsold at the end of each day. (c) The shop collected $192 on Day 3 of the sale. What was the price of each T-shirt before the discount? Ans: $","answer0":"15","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29135":{"id":29135,"question":"At a bookshop, erasers are sold only in packs of 8 (8 for $2) and pencils are sold only in packs of 5 (5 for $3). Mr Tan bought erasers and pencils for his company. He spent \\(\\dfrac{1}{3}\\) of his money on erasers and the rest of his money on pencils. He bought 36 more erasers than pencils. How much did Mr Tan spend altogether? Ans: $","answer0":"162","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29152":{"id":29152,"question":"ABC Mega Mall had a storewide sale of 70%. Mrs Suresh paid $570 for a laptop during the sale. What was the usual price of the laptop? $","answer0":"1900","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29153":{"id":29153,"question":"The table shows the prices of 3 rice dishes. Uncle Roger ordered two different types of rice dishes and paid a total of $13.08, including 9% GST. Which 2 rice dishes did he order? Chicken Rice $5.00 Duck Rice $6.00 Fried Rice $7.00","answer0":"Chicken Rice and Fried Rice","answer1":"Chicken Rice and Duck Rice","answer2":"Duck Rice and Fried Rice","answer3":"Chicken Rice and Chicken Rice","type_id":1,"correct_answer":0},"29155":{"id":29155,"question":"Mrs Lee bought some muffins from a shop. The cost of each muffin is $2. For every 4 muffins she bought, 1 muffin was given free. Mrs Lee paid $252 altogether. What was the greatest number of muffins Mrs Lee would get from the shop? ","answer0":"157","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30453":{"id":30453,"question":"The price of a muffin was $w. Miss Tan bought 28 muffins. She was given a discount of $1.50 for every 3 muffins. How much did she pay for the muffins altogether?","answer0":"$(28w \u2212 13.50)","answer1":"$(28w + 13.50)","answer2":"$(28w \u2212 14)","answer3":"$(28w \u2212 42)","type_id":1,"correct_answer":0},"30459":{"id":30459,"question":"Rishu had some money left after spending $104 on a pair of shoes, a cap and a book. He could not buy another similar pair of shoes with his remaining money as he was short of $29. He decided to buy another similar book instead and had $11 left in the end. (a) How much more did the pair of shoes cost than the book? (b) A pair of shoes cost 4 times as much as the cap. How much did Rishu have at first? (a) $ (b) $","answer0":"40","answer1":"139","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24718":{"id":24718,"question":"The average allowance of 3 siblings is $34. The eldest sibling received $50. The other two siblings received the same amount of money. How much did each of the other two siblings receive?","answer0":"$18","answer1":"$25","answer2":"$26","answer3":"$52","type_id":1,"correct_answer":2},"24737":{"id":24737,"question":"The ratio of the amount of money Amil had to the amount of money Bala had to the amount of money Charles had was 8 : 3 : 5. After they each spent the same amount of money, Amil had $66 left. The amount of money Charles had left was 5 times that of Bala. Find the total amount of money the 3 children had at first. ","answer0":"192","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24738":{"id":24738,"question":"The cost of 3 chairs and 5 tables is $360. The cost of 6 chairs and 15 tables is $900. What is the cost of 1 table? (Round off the answer to the nearest $10.) ","answer0":"40","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24741":{"id":24741,"question":"Mrs Lim bought a watch at a discount of 15% and she paid $124.10, not including GST. What is the original price of the watch including 8% GST? ","answer0":"157.68","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24742":{"id":24742,"question":"Mrs Sim bought a bag for $140. She paid the cashier in $10 and $5 notes. If there were fifteen notes altogether, how many $10 notes were there? ","answer0":"13","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24744":{"id":24744,"question":"Serena has a monthly salary of $8650. She spent \\(\\dfrac{1}{5}\\) of her money on food. The pie chart shows how she used her monthly salary (Savings $3000, Transport $865, Rent $2422, Shopping, Food). (a) How much money did Serena spend on food? (b) What percentage of her salary did she spend on shopping? Give your answer correct to nearest 1%. ","answer0":"1730","answer1":"7","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24747":{"id":24747,"question":"The table shows the charges for making an overseas call to Australia: First 15 minutes costs $2.60; every additional minute costs p \u00a2 per minute. Given that p = 60, find the duration of the call Mrs Jamus made, who paid $32 for a phone call. ","answer0":"64","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26263":{"id":26263,"question":"Aaron had $55 more than Shanti at first. After Aaron used \\(\\dfrac{2}{5}\\) of his money and Shanti used \\(\\dfrac{1}{3}\\) of her money, Aaron had $27 more than Shanti. How much did Shanti have left at the end?","answer0":"$27","answer1":"$30","answer2":"$54","answer3":"$60","type_id":1,"correct_answer":3},"26264":{"id":26264,"question":"A sum of money was shared between John and Ken in the ratio 3 : 4. John used all his money to buy 8 identical toy cars that cost $1.50 each. Ken used some of his money to buy 3 such toy cars. How much money had Ken left?","answer0":"$4.50","answer1":"$11.50","answer2":"$12","answer3":"$16","type_id":1,"correct_answer":1},"26272":{"id":26272,"question":"The table shows the prices of pens and erasers sold at a bookshop: an Eraser costs \\(b\\) cents and a Pen costs \\(2b\\) cents. Mark spent $4.20 on 5 erasers and 1 pen. Find the value of \\(b\\). ","answer0":"60","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26278":{"id":26278,"question":"Peter spent $60 of his weekly allowance and saved the rest. During Christmas, his spending increased by 20%. As a result, his savings decreased by 10%. How much was his weekly allowance? ","answer0":"180","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26290":{"id":26290,"question":"At first, Sam had \\(\\dfrac{2}{5}\\) as much money as Paul. Ean had $36 more than Sam. After Paul gave $98 to Sam and some money to Ean, all three boys had the same amount of money. How much did they have altogether? ","answer0":"810","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24760":{"id":24760,"question":"Ravi had 6 coins in his wallet. He took out only 4 coins to pay the exact amount for a bun. The coins are 5\u00a2, 5\u00a2, 10\u00a2, 20\u00a2, 50\u00a2 and $1. Which of the following amounts is not<\/b> a possible cost of the bun?","answer0":"$1.65","answer1":"$1.40","answer2":"$1.35","answer3":"$1.30","type_id":1,"correct_answer":1},"24768":{"id":24768,"question":"Meifang spent 20% of her money on a shirt. She used the rest of the money to buy a bag and a necklace. The bag cost $24 more than the shirt. The necklace cost $72. Find the cost of the bag.","answer0":"$56","answer1":"$48","answer2":"$40","answer3":"$32","type_id":1,"correct_answer":0},"24771":{"id":24771,"question":"7 men donated a total of $1435. What is the average amount donated by each man? $","answer0":"205","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24774":{"id":24774,"question":"Candies were sold by mass: First 100 g costs $5, every additional 50 g costs $2. Rashid bought a packet of candies which weighed 250 g. How much did he pay? $","answer0":"11","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24780":{"id":24780,"question":"At first, the ratio of Weijie's savings to Lihua's savings was 5 : 4. After each of them spent $40, the ratio of Weijie's savings to Lihua's savings became 13 : 10. What was Lihua's savings at first? $","answer0":"240","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24799":{"id":24799,"question":"Ms Wong received $6120 from selling some bags and some dresses. She received $3240 more for the bags than the dresses. 4 times as many bags as dresses were sold. Each dress cost $15 more than each bag. (a) How much did Ms Wong receive for the bags? $ (b) How many dresses did Ms Wong sell? ","answer0":"4680","answer1":"18","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24801":{"id":24801,"question":"Ali, Brandon, Carrie and Devi shared a sum of money equally at first. Ali gave \\(\\dfrac{2}{3}\\) of his money to Brandon. Brandon then gave \\(\\dfrac{1}{5}\\) of his money to Carrie. Carrie then gave \\(\\dfrac{3}{8}\\) of her money and an additional $55 to Devi. Devi had $595 in the end. How much was the sum of money they shared? $","answer0":"1440","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29672":{"id":29672,"question":"Jen wants to spend the least amount of money to buy 25 muffins. Each muffin is sold at $\\(n\\). There is a special offer: buy 2 muffins and get 1 muffin free. How much will she pay for the muffins? Express your answer in terms of \\(n\\).","answer0":"$17n","answer1":"$25n","answer2":"$16n","answer3":"$18n","type_id":1,"correct_answer":0},"29678":{"id":29678,"question":"The table shows the water charges. Volume of water: First 40 m\u00b3 at $1.40 per m\u00b3; each additional m\u00b3 at $? per m\u00b3. Mr Chan paid $89 for using 60 m\u00b3 of water. How much did he pay per cubic metre for water consumption more than 40 m\u00b3? Ans: $","answer0":"1.65","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29700":{"id":29700,"question":"Three girls had the same number of coins. Mabel had only twenty-cent coins. Candy had 36 one-dollar coins (and twenty-cent coins). Lilian had 13 one-dollar coins. (b) Candy used half of her one-dollar coins and some of her twenty-cent coins to buy a book that cost $20.40. How many twenty-cent coins did Candy use? Ans: ","answer0":"12","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29701":{"id":29701,"question":"Three girls had the same number of coins. Mabel had only twenty-cent coins. Candy had 36 one-dollar coins. Lilian had 13 one-dollar coins (and twenty-cent coins). Each girl had 30 coins in total. (c) What was the difference in the total value of Mabel and Lilian's coins? Ans: $","answer0":"10.40","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24279":{"id":24279,"question":"What is the price of the tennis racket after discount? Usual Price: $89. Ans: $","answer0":"80.10","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24283":{"id":24283,"question":"Lily bought some stickers based on the charges shown: First 10 stickers $7; Every additional sticker 50\u00a2; Get 2 additional stickers free for every purchase of 30 stickers. She paid $17 for the stickers. How many stickers did she get in all? Ans: ","answer0":"32","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24285":{"id":24285,"question":"Mrs Lee wanted to buy 9 boxes of mooncakes but she was short of $28. She bought 7 boxes of mooncakes and had $22 left. How much money did she have at first? Ans: $","answer0":"197","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24290":{"id":24290,"question":"At a bread shop, a customer could buy one additional bun at half its usual price for every 3 buns bought. Petra paid $16.80 for 12 buns. What was the usual price of one bun? Ans: $","answer0":"1.60","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24815":{"id":24815,"question":"After a 20% discount, the price of a T-shirt was $40. A first-time customer was given a further discount of $6. What was the total percentage discount given to a first-time customer for the T-shirt?","answer0":"16%","answer1":"26%","answer2":"32%","answer3":"40%","type_id":1,"correct_answer":2},"24823":{"id":24823,"question":"The table shows the charges for a cleaning job. First 2 hours: $35 per hour. Every additional hour: $25. Mandy paid $145 for a cleaning job. How many hours of cleaning did she pay for? h","answer0":"5","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24836":{"id":24836,"question":"At first, Nathan had $92 and Mabel had $50. Each of them bought a book at the same price. The ratio of the amount of money Nathan and Mabel had left was 5 : 2. How much did the book cost? ","answer0":"22","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24843":{"id":24843,"question":"After the 5-day sale, a customer paid $4600 for all the remaining laptops in Shop A at a discount of $50 for every $300 spent. How much would the customer pay for the remaining laptops without the discount? ","answer0":"5500","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30471":{"id":30471,"question":"Alex and Ben had $190 altogether at first. After Alex gave Ben $30, Alex had $40 more than Ben. How much did Ben have at first?","answer0":"$45","answer1":"$75","answer2":"$120","answer3":"$160","type_id":1,"correct_answer":0},"30481":{"id":30481,"question":"The table shows the charges to post a parcel. First 500 g: $2; Every additional 1 kg: $1.50. Mr Yap posted a parcel that weighed 4.8 kg. How much did Mr Yap pay to post the parcel? Ans: $","answer0":"9.50","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30483":{"id":30483,"question":"Jack wanted to buy 16 chicken wings but found that he needed another $5. He bought 7 chicken wings and had $5.80 left. What was the cost of a chicken wing? Ans: $","answer0":"1.20","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30488":{"id":30488,"question":"During a sale, a laptop was sold for $1072 after a 20% discount. How much was the usual price of the laptop? Ans: $","answer0":"1340","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30489":{"id":30489,"question":"A fruit seller packed 860 apples into bags of 4 for sale. The price of each bag of apples was $7.80. How much money did the fruit seller collect after selling all the bags of apples? Ans: $","answer0":"1677","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30494":{"id":30494,"question":"A baker sold some boxes of tarts and cookies. Each box of tarts cost $3.10 and each box of cookies cost $5.50. The baker sold twice as many boxes of tarts as boxes of cookies. He earned a total of $1439.10. How many boxes of tarts did he sell? Ans: ","answer0":"246","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30502":{"id":30502,"question":"Chloe spent \\(\\dfrac{5}{8}\\) of her money on 3 identical books and 7 identical files. The cost of each book was 3 times the cost of each file. She bought some more files with \\(\\dfrac{5}{6}\\) of her remaining money and had $4 left. How much did Chloe spend on the files altogether? Ans: $","answer0":"37.50","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30503":{"id":30503,"question":"Three boys Lionel, Michael and Nate had the same number of coins. Lionel and Michael each had a mix of fifty-cent and ten-cent coins. Lionel had 10 ten-cent coins, while Michael had 15 ten-cent coins. Nate had only fifty-cent coins. (a) How much more money did Lionel have than Michael? Ans: (a) $ (b) Michael used all his fifty-cent coins to buy some food. He then had $8 less in coins than Nate. How many fifty-cent coins did Nate have? Ans: (b) ","answer0":"2","answer1":"19","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30504":{"id":30504,"question":"A bowl of noodles at a restaurant cost $27.25 including 9% GST. Find the cost of the bowl of noodles before GST. $","answer0":"25","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30507":{"id":30507,"question":"The usual price of a watch is $320. After a 20% discount, how much does the watch cost? $","answer0":"256","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24310":{"id":24310,"question":"Usual price: 95\u00a2 per apple. SPECIAL OFFER: 8 apples for $6.00. Mrs Tan bought 8 apples during the special offer. Without the special offer, how much more would she have to pay for the 8 apples? Answer: ","answer0":"1.60","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24312":{"id":24312,"question":"The semicircle has a diameter of 40 cm. What is the area of the semicircle? Take \\(\\pi = 3.14\\) Answer: ","answer0":"628","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24314":{"id":24314,"question":"The figure shows a rectangular box partly filled with 1-cm cubes. What is the volume of the rectangular box? Answer: ","answer0":"105","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24315":{"id":24315,"question":"Jacky had some stickers. He gave \\(\\dfrac{1}{6}\\) of the stickers each to his two sisters. He put aside \\(\\dfrac{2}{3}\\) of his remaining stickers to be shared equally among his brothers. Each of his brothers received \\(\\dfrac{1}{9}\\) of the stickers. How many brothers did Jacky have? Answer: ","answer0":"4","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24316":{"id":24316,"question":"What is the percentage discount for the shirt shown? Sale Price $45. Usual price: $75. Answer: ","answer0":"40","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24317":{"id":24317,"question":"Mr Lee drove for 6 hours from City A to City B. In the first two hours, he drove at an average speed of 75 km\/h. For the rest of the journey, he drove at an average speed of 60 km\/h. What was his average speed for the whole journey? Answer: ","answer0":"65","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24318":{"id":24318,"question":"The figure is made up of a quarter circle and an equilateral triangle. Find the perimeter of the figure. Take \\(\\pi = \\dfrac{22}{7}\\) Answer: ","answer0":"96","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24319":{"id":24319,"question":"A pyramid and its net are shown. The base of the pyramid in both diagrams is shaded. Find the perimeter of the net of the pyramid. Answer: ","answer0":"66","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24320":{"id":24320,"question":"The figure is made up of triangles WXY and ABX. The total unshaded area of the figure is 180 cm\u00b2. Find the shaded area BXZ. Answer: ","answer0":"72","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24321":{"id":24321,"question":"Ahmad had a sum of money. He could only buy 10 notebooks with all the money he had. He decided to buy 6 notebooks and 4 pens. He had $2.40 left. Each pen cost $0.80. How much money did Ahmad have at first? Answer: ","answer0":"14","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24322":{"id":24322,"question":"The bar graph shows the amount of money ABC clothing store earned from Monday to Thursday. What is the average amount of money ABC clothing store earned from Monday to Thursday? Answer: ","answer0":"450","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24323":{"id":24323,"question":"The figure shows a right-angled triangle and a semicircle of radius 14 cm. Use the calculator value of \\(\\pi\\) to find the perimeter of the figure. Round your answer to 2 decimal places. Answer: ","answer0":"101.98","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24324":{"id":24324,"question":"PQRS is a square. STR is an equilateral triangle. Find the value of \\(\\angle\\)QPT. Answer: ","answer0":"15","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24325":{"id":24325,"question":"UVWX is a parallelogram and XYZ is an isosceles triangle where XY = XZ. UXY and WXZ are straight lines and the sum of \\(\\angle\\)YZX and \\(\\angle\\)XWV is 147\u00b0. Find \\(\\angle\\)UVW. Answer: ","answer0":"82","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24326":{"id":24326,"question":"Jane and Siti had a number of beads. Jane had 432 more beads than Siti. After Jane gave away \\(\\dfrac{1}{4}\\) of her beads and Siti gave away \\(\\dfrac{5}{8}\\) of her beads, Jane had 441 more beads than Siti. How many beads did Jane have at first? Answer: ","answer0":"744","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24327":{"id":24327,"question":"At a paint shop, there were some identical containers. 70% of the containers were completely filled with paint. The remaining 120 containers were empty. The total volume of paint in the containers was 1400 \\(\\ell\\). What was the volume of paint in one container? Give your answer in litres. Answer: ","answer0":"5","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24328":{"id":24328,"question":"Jen and Grace took part in a race and both started running from the same point at the same time. After 35 min, Jen completed the race, but Grace had only run \\(\\dfrac{5}{7}\\) of the distance. Given that both girls did not change their speeds throughout the race and that Jen ran at a constant speed of 36 m\/min faster than Grace, find Grace's average speed for the first 35 min. Answer: ","answer0":"90","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24330":{"id":24330,"question":"The pie chart shows the number of $10, $20, $50 and $100-tickets sold by a concert organiser. \\(\\dfrac{1}{2}\\) of the number of tickets sold were $10-tickets. \\(\\dfrac{3}{10}\\) of the number of tickets sold were $20-tickets. 15% of the tickets sold were $50-tickets. What fraction of the tickets sold were $100-tickets? Express your answer in the simplest form.","answer0":"\\(\\dfrac{1}{20}\\)","answer1":"\\(\\dfrac{1}{10}\\)","answer2":"\\(\\dfrac{3}{20}\\)","answer3":"\\(\\dfrac{1}{5}\\)","type_id":1,"correct_answer":0},"24331":{"id":24331,"question":"The pie chart shows the number of $10, $20, $50 and $100-tickets sold by a concert organiser. \\(\\dfrac{1}{2}\\) of the number of tickets sold were $10-tickets. \\(\\dfrac{3}{10}\\) were $20-tickets and 15% were $50-tickets. A total of $10 810 was collected from the sale of all the tickets. How much was collected from the sale of $10-tickets? Answer: ","answer0":"2300","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24332":{"id":24332,"question":"A money box contained some money at first. A took \\(\\dfrac{1}{2}\\) the amount of money and another $1500 from the box. After that, B took \\(\\dfrac{1}{4}\\) of the remaining amount of money and another $850 from the box. In the end, C took the rest of the money left in the box. Given that C took $1400, find the amount of money in the box at first. Answer: ","answer0":"9000","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24333":{"id":24333,"question":"Sam wanted to fill an empty tank measuring 125 cm long and 80 cm wide with water. He turned on Tap A first and after 3 minutes he turned on Tap B. Both taps were turned off at the same time when the tank was filled to the brim without overflowing. The line graph shows the amount of water in the tank over 10 minutes. (a) Find the volume of the tank. (b) In one minute, how many litres of water flowed from Tap B? (a) (b) ","answer0":"850000","answer1":"90","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24334":{"id":24334,"question":"Last year, the ratio of the number of men to the number of women who signed up for a marathon was 5 : 4. This year, the number of men who signed up increased by 30% and the number of women who signed up decreased by 50%. A total of 4913 men and women signed up for the marathon this year. What is the difference between the total number of people who signed up for the marathon in the two years? Answer: ","answer0":"289","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24335":{"id":24335,"question":"Two tanks, A and B, are shown. Tank A was filled to the brim with water. Water was transferred from Tank A to Tank B until the height of the water level in both tanks are the same. What is the new height of water level in each tank? Answer: ","answer0":"18.6","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24336":{"id":24336,"question":"The figure shows a rectangle with 4 identical three-quarter circles. The length and breadth of the rectangle is in the ratio 13 : 10. Taking \\(\\pi = 3.14\\): (a) find the perimeter of the figure. (b) find the area of the figure. (a) (b) ","answer0":"124.52","answer1":"604.78","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24337":{"id":24337,"question":"ABCD is a square and DEFG is a trapezium. AG and DH are straight lines. DG is parallel to EF. Angle BAD region shows 56\u00b0 and 24\u00b0 at D, and 62\u00b0 at G. (i) Find \\(\\angle\\)x. (ii) Find \\(\\angle\\)y. (a) (b) ","answer0":"107","answer1":"94","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24338":{"id":24338,"question":"Jamina uses circles and triangles to form figures that follow a pattern. The table shows the number of triangles and circles for the first 4 figures (Figure 1: 2 triangles, 6 circles, 8 total; Figure 2: 6, 10, 16; Figure 3: 12, 14, 26; Figure 4: 20, 18, 38). (a) Complete the table for Figure 5 (triangles \/ circles \/ total). (b) A figure in the pattern has 240 triangles. What is the Figure Number? (c) What is the total number of triangles and circles in Figure 100? (a) (b) (c) ","answer0":"30","answer1":"22","answer2":"52","answer3":null,"type_id":2,"correct_answer":null},"26349":{"id":26349,"question":"During a sale, a shop sold t-shirts at a discount of $15 per t-shirt. Members were given a further discount of 25% on all purchases. Elaine is a member and paid $216 for 6 such t-shirts. What is the price of each t-shirt without any discount? $","answer0":"63","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26360":{"id":26360,"question":"At first, Jason had $210 and Ruth had $154. After they both spent an equal amount of money, the amount of money Jason and Ruth each had left were in the ratio 7 : 3. How much did each of them spend? $","answer0":"112","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26366":{"id":26366,"question":"Boxes A and B contain an equal number of coins. \\(\\dfrac{1}{4}\\) of the coins in Box A are 10-cent coins while the rest are 50-cent coins. \\(\\dfrac{1}{3}\\) of the coins in Box B are 10-cent coins while the rest are 20-cent and 50-cent coins. Given that the total value of all the coins in Box A is $86.40, find the total number of coins in Box B. ","answer0":"216","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26367":{"id":26367,"question":"Boxes A and B contain 216 coins each. \\(\\dfrac{1}{3}\\) of the coins in Box B are 10-cent coins while the rest are 20-cent and 50-cent coins. The total value of all the coins in Box B is $50.10. Find the number of 20-cent coins in Box B. ","answer0":"2910","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26368":{"id":26368,"question":"Storewide Closing Down Sale: 1st item at 40% discount, 2nd item at 50% discount (price of the 2nd item must be equal to or lower than the price of the 1st item). Mary bought 2 different bags. The original price of one bag was $280 while the other was $499. How much did she pay in total for both bags? $","answer0":"439.40","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26369":{"id":26369,"question":"Storewide Closing Down Sale: 1st item at 40% discount, 2nd item at 50% discount. After discount, Gary spent $1669.80 on two identical watches. Find the price of each identical watch before discount. $","answer0":"1518","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26370":{"id":26370,"question":"Shops Q, R and S sell ice-cream in 2 sizes. A small tub is sold for $12 and a big tub for $18. Shop Q sold 15 small and 9 big tubs; Shop R sold 10 small and 15 big tubs. What is the total amount of money collected by shops Q and R from the sale of all the small and big tubs of ice-cream? $","answer0":"732","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26371":{"id":26371,"question":"A small tub of ice-cream is sold for $12 and a big tub for $18. Shop Q sold 15 small and 9 big tubs (24 tubs in total). Shop S sold as many tubs of ice-cream as Shop Q but collected $66 more. How many small tubs of ice-cream did Shop S sell? ","answer0":"4","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30528":{"id":30528,"question":"After a discount of 25%, an adult would have to pay $60 for a buffet lunch. A senior citizen gets an additional discount of $12. Find the percentage discount given to the senior citizen for the buffet lunch.","answer0":"15%","answer1":"20%","answer2":"25%","answer3":"40%","type_id":1,"correct_answer":3},"30538":{"id":30538,"question":"Shival paid $945 for a golf club and 4 boxes of golf balls. The price of a box of golf balls was \\(\\dfrac{2}{7}\\) of the price of the golf club. How much did Shival pay for the golf club? ","answer0":"441","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30545":{"id":30545,"question":"Five boys shared the cost of a present equally. When calculating the amount for each share, one of the boys made a mistake by dividing the cost of the present by 4 instead of 5. Each boy paid $3.75 more than his original share. What is the cost of the present? ","answer0":"75","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30547":{"id":30547,"question":"The average cost of 3 different backpacks is $12.70. The total cost of 2 of the backpacks is $16.80. What is the cost of the third backpack? ","answer0":"21.30","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30549":{"id":30549,"question":"ABC bookshop sells only 1 type of calculator. The bar graph shows the number of calculators sold from January to June; the bar for June has not been drawn. (a) Given that the average number of calculators sold from January to June was 55, find the number of calculators sold in June.
(b) The total amount collected from all the calculators sold in March was $1046.40 including 9% GST. Find the cost of 1 calculator excluding GST. ","answer0":"105","answer1":"32","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29180":{"id":29180,"question":"A group of 10 adults and 11 children went to FunWorld Amusement Park. What was the least amount of money the group could have paid? Child ticket price: $12.10. Adult ticket price: $22.50. Promotion: For every 3 paying adults, 2 children enter free! Ans: $","answer0":"285.50","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29192":{"id":29192,"question":"For every mobile phone that Susan sells, she earns 10% of the first $160 of the selling price and 12% of the remaining selling price. Susan sold a mobile phone and earned $76.90. What was the selling price of the mobile phone? Ans: $","answer0":"667.50","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29194":{"id":29194,"question":"Julie's coin box contained 20-cent and 50-cent coins. In the coin box, there were 7 more 50-cent coins than 20-cent coins. The total amount of money in the coin box was $18.90. (a) How many coins were in the coin box? Ans: (b) How much money does Julie have left in the coin box after spending all her 20-cent coins on food? Ans: $","answer0":"51","answer1":"14.50","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29196":{"id":29196,"question":"Mrs Brown bought \\(\\dfrac{2}{5}\\) as many cupcakes as pies for a party. She spent \\(\\dfrac{3}{4}\\) as much on each cupcake as each pie. Each cupcake cost $4.50. She paid $504 more on the pies than the cupcakes. (a) How much did she pay for each pie? Ans: $ (b) How many pies did she buy? Ans: ","answer0":"6","answer1":"120","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29210":{"id":29210,"question":"Hassan earns $300 each week. The graph shows the amount of money he spent each week over 5 weeks. In which week did Hassan spend the most money?","answer0":"Week 1","answer1":"Week 2","answer2":"Week 3","answer3":"Week 4","type_id":1,"correct_answer":1},"29211":{"id":29211,"question":"Hassan earns $300 each week. The graph shows the amount of money he spent each week over 5 weeks. What was the total amount Hassan saved from Week 1 to Week 3?","answer0":"$400","answer1":"$500","answer2":"$740","answer3":"$760","type_id":1,"correct_answer":0},"29221":{"id":29221,"question":"Terry had twice as many two-dollar notes as five-dollar notes. He had $378 altogether. How many five-dollar notes did Terry have? ","answer0":"42","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29225":{"id":29225,"question":"The parking rate at a shopping mall is $3.20 for the first hour and $1.60 per 30 min or part thereof after the first hour. Ben parked his car at the shopping mall from 4.45 p.m. to 7.35 p.m. How much did he have to pay for parking his car? $","answer0":"9.60","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30561":{"id":30561,"question":"Onions are sold at 25\u00a2 per 100 g at a supermarket. What is the price of 3.6 kg of onions? $","answer0":"9","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30566":{"id":30566,"question":"Jacob earned $240 from selling a carton of 12 bottles of vitamins. He sold 36 000 bottles of vitamins in total. (a) How many cartons of vitamins did he sell? (b) How much did he earn from selling all the bottles of vitamins? (a) (b) $","answer0":"3000","answer1":"720000","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30568":{"id":30568,"question":"5 identical tables cost as much as 7 identical chairs. Each table cost $54 more than the chair. Find the total cost of the 5 tables and 7 chairs. $","answer0":"1890","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30570":{"id":30570,"question":"Eagle Express Delivery Company charges $3.50 for parcels delivered on time and $1.80 for parcels delivered late. In May, the company could earn $382.50 more had all the parcels been delivered on time. (a) How many parcels were delivered late in May? (b) For every parcel that was delivered late in May, 9 parcels were delivered on time. How much did the company earn in May? (a) (b) $","answer0":"225","answer1":"7492.50","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30575":{"id":30575,"question":"The pie chart shows the number of \\$10, \\$20, \\$50 and \\$100 concert tickets sold by an event organiser. The \\$100 sector is 5%, the \\$50 sector is \\(\\dfrac{3}{20}\\), and AB is a straight line. What fraction of the tickets sold were \\$20 tickets?","answer0":"\\(\\dfrac{3}{10}\\)","answer1":"\\(\\dfrac{1}{5}\\)","answer2":"\\(\\dfrac{3}{20}\\)","answer3":"\\(\\dfrac{1}{2}\\)","type_id":1,"correct_answer":0},"24352":{"id":24352,"question":"Mrs Chan only had the following coins in her wallet: 5\u00a2, 10\u00a2, 20\u00a2, 50\u00a2 and $1. She took three coins from her wallet and dropped them into a donation box. Which one of the following could not be the amount she donated?","answer0":"$0.35","answer1":"$0.75","answer2":"$1.15","answer3":"$1.65","type_id":1,"correct_answer":1},"24359":{"id":24359,"question":"The table shows the charges for bicycle rental: For the first 1 hour $6.00; for every additional 30 minutes or part thereof $2.50. Jane rented a bicycle from 5.30 p.m. to 7.45 p.m. How much did she pay? Ans: $ ","answer0":"13.50","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24366":{"id":24366,"question":"Prawns are sold at the supermarket at $1.35 per 100 g. Kelly bought 3.5 kg of prawns. How much did she pay? Ans: $ ","answer0":"47.25","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24368":{"id":24368,"question":"John saw two different advertisements for two identical rackets sold at $180 before discount. Shop W: $50 discount. Shop Y: 25% discount. How much money did John save by buying from the cheaper shop? Ans: $ ","answer0":"5","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24370":{"id":24370,"question":"A pen costs $\\(p\\). A notebook costs $2 more than the pen. What is the cost of 3 pens and 2 notebooks? Express your answer in terms of \\(p\\) in its simplest form.","answer0":"$\\((5p+4)\\)","answer1":"$\\((5p+2)\\)","answer2":"$\\((3p+4)\\)","answer3":"$\\((5p+6)\\)","type_id":1,"correct_answer":0},"24371":{"id":24371,"question":"A pen costs $\\(p\\). A notebook costs $2 more than the pen. Lee Lian paid $22.50 for 3 pens and 2 notebooks. Find the cost of one notebook. Ans: $ ","answer0":"5.70","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24373":{"id":24373,"question":"Su Ling wanted to buy a laptop with her savings. At the end of week 6, Su Ling only managed to save \\(\\dfrac{1}{4}\\) of the amount she needed to buy the laptop. From the line graph, her savings at the end of week 6 were $520. How much more does she need to save? Ans: $ ","answer0":"1560","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24380":{"id":24380,"question":"An entrance fee was charged to those who took part in swimming. From the graphs, swimming was 25 in March and 200 in April. A total of $528.75 was collected in March and April. How much was the entrance fee? Ans: $ ","answer0":"2.35","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24866":{"id":24866,"question":"Sandy is given a total of $30 to spend from Monday to Friday. Every day, she spends $4 on food, $q on transport and saves the rest. How much does she save each week?","answer0":"$ (130 \u2212 5q)","answer1":"$ (30 \u2212 4q)","answer2":"$ (26 \u2212 q)","answer3":"$ (10 \u2212 5q)","type_id":1,"correct_answer":3},"24867":{"id":24867,"question":"Lisa paid $18.90 for 3 identical files and 3 identical pencils. Howard paid $10.50 for 2 such files and 1 such pencil. How much did each file cost?","answer0":"$3.15","answer1":"$3.50","answer2":"$4.20","answer3":"$7.00","type_id":1,"correct_answer":2},"24876":{"id":24876,"question":"Mrs Pandi wants to send letters overseas by airmail. The airmail rates to two countries are shown in the table. Mrs Pandi wants to send a letter weighing 33 g to Thailand and a letter weighing 42 g to Australia. How much will she need to pay in total? $","answer0":"3.20","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24887":{"id":24887,"question":"Mr Raja paid a total of $1406.40 for a laptop and a camera at a sale. The price of the camera before discount was $864. Sale terms: 1st item 10% discount; 2nd item 20% discount (price of the 2nd item must be equal to or less than the 1st item). What was the price of the laptop before discount? $","answer0":"786","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24892":{"id":24892,"question":"Tom wanted to buy a new television and started a 4-month savings plan. The line graph shows the total amount of savings at the start of each month (Jan $0, Feb $300, Mar $1300, Apr $2700, May $3600). What was the percentage increase in the amount of savings from the end of January to the end of February? %","answer0":"333.33","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24898":{"id":24898,"question":"At a concert, $9180 was collected from the sale of adult and child tickets. The ratio of the money collected from adult to child tickets is 14 : 3. \\(\\dfrac{1}{5}\\) of the tickets sold were child tickets. Each adult ticket is $9 more than each child ticket. How many child tickets were sold? ","answer0":"30","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24899":{"id":24899,"question":"At a bakery, cupcakes are sold in boxes of 4 at $2.10 and tarts are sold in boxes of 3 at $1.60. Mrs Lee spent a total of $203.60 on some cupcakes and tarts at the bakery. She repacks them onto trays such that there are 3 cupcakes and 5 tarts on each tray for a party. How many tarts did she buy from the bakery? ","answer0":"240","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26603":{"id":26603,"question":"Rahul bought an apple and a dozen of oranges for $20\\(y\\). Each orange cost $3. Find the cost of an apple.","answer0":"$20\\(y\\)","answer1":"$(20\\(y\\) \u2212 3)","answer2":"$60\\(y\\)","answer3":"$(20\\(y\\) \u2212 36)","type_id":1,"correct_answer":3},"26617":{"id":26617,"question":"At a bookshop, correction tapes are sold in packs of 2 or 5. 2 for $1.80, 5 for $4.20. Jane needs to buy 9 correction tapes. What is the least amount of money she needs to pay? $","answer0":"7.80","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26618":{"id":26618,"question":"Raj had enough money to buy exactly 20 pens. During a sale, the price of each pen was reduced by $0.15. With the money he saved from the discount, he was able to buy 4 more pens and had $0.20 left. What was the price of each pen during the sale? $","answer0":"0.70","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26620":{"id":26620,"question":"John bought some plants at an average price of $7. After buying another plant at $21, the average price became $9. Find the total number of plants John bought. ","answer0":"7","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26629":{"id":26629,"question":"The line graph shows the amount of electricity used by the Wong family from January to June. (a) Find the percentage decrease in the amount of electricity used from February to March. % (b) In which month was the amount of electricity used \\(\\dfrac{3}{4}\\) that of the amount of electricity used in April?
(c) The Wong family had to pay 9% GST on top of charges for electricity used. Electricity is charged at $0.15 per unit. How much did they pay for the electricity used in May? $","answer0":"11.11","answer1":null,"answer2":"52.32","answer3":null,"type_id":2,"correct_answer":null},"26635":{"id":26635,"question":"Xinli and Mark want to save $164 to buy a gift. Xinli started saving earlier and she saves $3 each day. When Xinli has saved for 20 days, Mark would have saved $20. When Xinli has saved for 26 days, Mark would have saved $44. Mark saves a same amount each day. (a) How much does Mark save each day? $ (b) How many days would Xinli need to save so that they have exactly $164 to buy the gift? ","answer0":"4","answer1":"32","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26636":{"id":26636,"question":"Shop X sells a dress at $450. Shop Y sells the same dress at 80% of the price at Shop X. (a) What is the price of the dress in Shop Y? $ (b) During the Great Singapore Sale, Shops X and Y offered the same percentage discount on the dress. Shumei bought the dress in Shop Y and paid $82.80 less than the discounted price in Shop X. What was the percentage discount offered? %","answer0":"360","answer1":"8","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30597":{"id":30597,"question":"Siti bought a pair of rollerblades at a 25% discount and saved $28. What was the price of the rollerblades before the discount? ","answer0":"112","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30598":{"id":30598,"question":"Randy spent 30% of his money on a badminton racket. He spent another $84 on books. In the end, he had 55% of his money left. How much money did Randy have left? ","answer0":"308","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30602":{"id":30602,"question":"The same brand of laundry detergent is sold in 2 shops in 2 sizes; prices before discount are the same at both shops. Shop A: for every 1 big bottle purchased, get 45% discount on 1 small bottle. Shop B: bundle set @ $35 = 2 small bottles + 2 big bottles. (a) The price of a big bottle before discount is $14.40. Susan bought 1 small bottle and 1 big bottle from Shop A and paid $18.25 altogether. What was the price of the small bottle before discount? (b) Michelle bought a bundle set from Shop B. What percentage of the amount of money spent in Shop B did she save by buying from Shop B instead of Shop A? Round your answer to 1 decimal place. ","answer0":"7","answer1":"4.3","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29236":{"id":29236,"question":"Express 20\u00a2 as a percentage of $5.","answer0":"4%","answer1":"25%","answer2":"400%","answer3":"2500%","type_id":1,"correct_answer":0},"29242":{"id":29242,"question":"A toy car cost $8 after a discount of 20%. Kenny was given a further discount of $2 because of the SG60 promotion at the toy store. What is the total percentage discount for the toy car?","answer0":"20 %","answer1":"25 %","answer2":"40 %","answer3":"60 %","type_id":1,"correct_answer":2},"29250":{"id":29250,"question":"The table shows the hourly rate of work done at a call center. Weekdays (Monday to Friday): $8. Weekend (Saturday and Sunday): $10. Leonard works at the call center for 10 hours daily on weekdays and 5 hours on Saturdays. How much does he earn in a week? $","answer0":"450","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29256":{"id":29256,"question":"June had $5a. After buying some cakes at $5 each, she had $2a left. How many cakes did she buy? Give your answer in terms of a.","answer0":"\\(\\dfrac{3a}{5}\\)","answer1":"3a","answer2":"\\(\\dfrac{5a}{3}\\)","answer3":"\\(\\dfrac{2a}{5}\\)","type_id":1,"correct_answer":0},"29259":{"id":29259,"question":"The usual price of a tennis racket is $120. During a sale, Joe bought the racket at a discount of 20%. How much did Joe pay for the racket? $","answer0":"96","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29267":{"id":29267,"question":"The bar graph shows the number of four different brands of pens sold at a shop. 560 pens were sold altogether. Part of the graph was torn off. The prices per pen are: A $2.80, B $2.20, C $2.50, D $1.60. The number of pens sold from Brand C was \\(\\dfrac{3}{5}\\) the number of pens sold from Brand D. The total amount collected from the sales of pens from Brand C and Brand D was $620. (a) How many Brand C pens were sold? (b) How many Brand B pens were sold? ","answer0":"120","answer1":"140","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29270":{"id":29270,"question":"The graphs show the cost of sending packages to Indonesia for the first 10 kg by 2 courier companies (Company A and Company B). (a) How much does it cost to courier a package for the first 2 kg when using Company A's service? $ (b) Adele used Company B's service and paid $9 for her package. What was the mass of her package? kg (c) Yanti and Dewi each sent a 8.7-kg package to Indonesia. Yanti used Company A's service while Dewi used Company B's service. What is the difference in the amounts they paid? $","answer0":"5","answer1":"3","answer2":"1.70","answer3":null,"type_id":2,"correct_answer":null},"29280":{"id":29280,"question":"Norman has 14 kg of cashew nuts. He packs them into bags of \\(\\dfrac{3}{4}\\) kg and has some left. He sells each bag for $4.95. (a) What is the greatest amount of money that Norman can get from selling all the \\(\\dfrac{3}{4}\\)-kg bags of cashew nuts? $ (b) What is the mass of cashew nuts left? g","answer0":"89.10","answer1":"500","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29282":{"id":29282,"question":"Xinyu and Caitlyn had $708 altogether. Xinyu spent \\(\\dfrac{4}{7}\\) of her money and Caitlyn spent \\(\\dfrac{3}{8}\\) of her money. In the end, both girls had an equal amount of money left. How much money did Xinyu have at first? $","answer0":"420","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29284":{"id":29284,"question":"Kirsten bought 3 pens and 4 erasers with \\(\\dfrac{2}{5}\\) of her money. Each pen cost 4 times as much as an eraser. She spent \\(\\dfrac{1}{4}\\) of her remaining money on a notebook. The notebook cost $2.20 more than a pen. How much did the notebook cost? $","answer0":"6.60","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24924":{"id":24924,"question":"Andy had $5x. After buying apples at 60\u00a2 each, he had $2x left. How many apples did Andy buy?","answer0":"\\(\\dfrac{3x}{0.6}\\)","answer1":"\\(\\dfrac{2x}{0.6}\\)","answer2":"\\(\\dfrac{5x}{0.6}\\)","answer3":"\\(5x\\)","type_id":1,"correct_answer":0},"24927":{"id":24927,"question":"The pie chart shows how Michael spent his money. Toy = $38, Lunch = $10, Movie = $12, and the Book segment is a right angle. (a) How much money did Michael spend on the book? $ (b) What percentage of Michael's money was spent on lunch? %","answer0":"20","answer1":"12.5","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24929":{"id":24929,"question":"Jimmy gave his mother $1200 of his salary. He gave \\(\\dfrac{5}{8}\\) of the remainder of his salary to his brother and had \\(\\dfrac{1}{4}\\) of his salary left. What was Jimmy's salary? $","answer0":"3600","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24945":{"id":24945,"question":"In June, Mr Tan saved 20% of his salary. In July, his monthly salary increased by $600 and he saved 15% of his new monthly salary. Given that Mr Tan saved the same amount of money in both months, find the percentage increase in Mr Tan's salary.","answer0":"\\(33\\dfrac{1}{3}\\)%","answer1":"30%","answer2":"25%","answer3":"20%","type_id":1,"correct_answer":0},"26665":{"id":26665,"question":"After Ali spent \\(\\dfrac{3}{5}\\) of his money and Bala spent \\(\\dfrac{4}{7}\\) of his money, each of them had $72 left. How much more money did Ali have than Bala at first? $","answer0":"12","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26675":{"id":26675,"question":"The price of 3 items sold at a bookshop are: Pencil \\((x + 60)\\)\u00a2, Pen \\$2, Ruler \\(3x\\)\u00a2. Chester bought 1 pencil and 2 pens. Express the cost of the 3 items in terms of x.","answer0":"\\((x + 460)\\)\u00a2","answer1":"\\((x + 260)\\)\u00a2","answer2":"\\((x + 64)\\)\u00a2","answer3":"\\((3x + 460)\\)\u00a2","type_id":1,"correct_answer":0},"26684":{"id":26684,"question":"The ratio of the number of boys to the number of girls who visited a funfair was 10 : 7. The entrance fee for each person was $12 and a total of $4692 was collected from the children. (a) How many boys were there? On that same day, the ratio of the number of males (boys and men) to the number of females (girls and women) who visited the funfair was 8 : 5. There were 54 more men than women. (b) How many women were there? ","answer0":"230","answer1":"90","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26686":{"id":26686,"question":"There were some 10\u00a2, 20\u00a2 and 50\u00a2 coins in a box. There were 34 more 10\u00a2 coins than 20\u00a2 coins. The total value of all the 10\u00a2 coins and 20\u00a2 coins was $13.30. (a) How many 10\u00a2 coins were there in the box? \\(\\dfrac{2}{3}\\) of the 50\u00a2 coins were exchanged for $1 coins which were then placed in the box. The total value of all the coins in the box did not change but the mass of all the coins in the box decreased by 172.8 g. The mass of each 50\u00a2 coin is 6.5 g and the mass of each $1 coin is 7.6 g. (b) What was the total number of 50\u00a2 and $1 coins in the box after the exchange? ","answer0":"67","answer1":"64","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24402":{"id":24402,"question":"Mary had $350. She spent the same amount of money each day. After 5 days, she was left with \\(\\dfrac{4}{5}\\) of her money. How much did she spend each day?","answer0":"$14","answer1":"$15","answer2":"$56","answer3":"$70","type_id":1,"correct_answer":0},"24405":{"id":24405,"question":"The price of an e-dictionary was $45 after a discount of 10%. Rina was then given an additional discount of $9. What was the total percentage discount given to Rina for the e-dictionary?","answer0":"18%","answer1":"20%","answer2":"28%","answer3":"30%","type_id":1,"correct_answer":2},"24414":{"id":24414,"question":"Shop A and shop B sold an identical television each at the same price, after the discounts shown. Shop A: 40% Discount, Usual Price: ? Shop B: 20% Discount, Usual Price: $1500. What was the usual price of the television sold by shop A? (Give your answer in $.) ","answer0":"2000","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24415":{"id":24415,"question":"Matthew spent a total of $15 on some rulers and pens. He bought 27 pens at 9 pens for $y. He bought the rulers at $2 each. How many rulers did he buy? ","answer0":"0","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24423":{"id":24423,"question":"The graph shows the fare a taxi company charges for the first 10 kilometres. John took a taxi and travelled for 9 km. How much did he pay? (Give your answer in $.) ","answer0":"28.50","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24424":{"id":24424,"question":"Simon could buy 9 notebooks and 54 pencils with $64.80. With that same amount of money, he could buy 24 notebooks. He then decided to buy only pencils. What was the most number of pencils Simon could buy with $64.80? ","answer0":"86","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24429":{"id":24429,"question":"Anne, Beth and Crystal bought a present. The ratio of the amount Anne paid to the total amount Beth and Crystal paid was 3 : 5. The ratio of the amount Crystal paid to the total amount Anne and Beth paid was 2 : 3. Crystal paid $21 more than Beth. How much did the person who paid the least pay for the present? ","answer0":"27","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24431":{"id":24431,"question":"In a shop, erasers and pencils are sold only in boxes. A box of 3 erasers costs $5.20; a box of 5 pencils costs $6.65. (a) Mrs Lim wants to get 40 erasers and 78 pencils for her students. What is the least amount of money she will need to spend on the erasers and pencils? (Give your answer in $.) (b) Mr Wong spent $328.30 to buy a total of 57 boxes of erasers and pencils. How many boxes of pencils did he buy? (a) (b) ","answer0":"179.20","answer1":"22","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24441":{"id":24441,"question":"John is thinking of a number. 40% of the number is 36. What is the number? Answer: ","answer0":"90","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24442":{"id":24442,"question":"Aini spent $40 in school in January. In February, she spent $32 in school. Find the percentage decrease in her spending. Answer: ","answer0":"20","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24451":{"id":24451,"question":"Measure and write down the size of \\(\\angle ABC\\). Answer: ","answer0":"127","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24452":{"id":24452,"question":"The volume of the cuboid is 96 cm\u00b3. The area of the shaded face is 8 cm\u00b2. Find the height of the cuboid. Answer: ","answer0":"12","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24454":{"id":24454,"question":"ABCD is a trapezium with AB parallel to DC. Find \\(\\angle y\\). Answer: ","answer0":"33","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24456":{"id":24456,"question":"Find the value of $2\\div 9$. Give your answer correct to 1 decimal place. Answer: ","answer0":"0.2","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24461":{"id":24461,"question":"John is $t$ years old. His mother is 25 years older than him. (a) How old is John's mother? Express your answer in terms of $t$. (b) What is their total age when $t=10$? (a) (b) ","answer0":"$t+25$","answer1":"45","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24462":{"id":24462,"question":"The figure shows a rectangular glass box filled with unit cubes. How many more unit cubes are needed to fill the box completely? Answer: ","answer0":"49","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24463":{"id":24463,"question":"In the figure, ABCD is a square. BCE is an equilateral triangle. Find \\(\\angle AEB\\). Answer: ","answer0":"75","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24464":{"id":24464,"question":"The figure is made up of 3 identical squares, ABCD, BEFG and BHJK. \\(\\angle ABG=40\u00b0\\) and \\(\\angle HBE=30\u00b0\\). Find \\(\\angle KBC\\). Answer: ","answer0":"20","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24954":{"id":24954,"question":"James paid $20 for 40 rulers. How much did each ruler cost?","answer0":"5 cents","answer1":"2 cents","answer2":"50 cents","answer3":"20 cents","type_id":1,"correct_answer":2},"24986":{"id":24986,"question":"Tim had \\(\\dfrac{2}{3}\\) as much money as Peter. After Tim received $120 from his mother and Peter used $120, Tim had twice as much money as Peter. How much money did Tim have at first? Answer: $","answer0":"180","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25651":{"id":25651,"question":"A bag cost $200. Kate bought it at a 25% discount. How much did she pay for the bag after adding 8% GST?","answer0":"$162","answer1":"$150","answer2":"$138","answer3":"$134","type_id":1,"correct_answer":0},"25657":{"id":25657,"question":"Sam has some 1-dollar and 20-cent coins in the ratio 2 : 5. The total value of the coins is $21. How many 20-cent coins does he have? ","answer0":"35","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25658":{"id":25658,"question":"The table shows Macy's savings from January to March. Her average savings for the 3 months was $52. How much did she save in March? January: $28 February: $70 March: ? ","answer0":"58","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25665":{"id":25665,"question":"Macy had $270 less than Lindy. After Macy gave Lindy some money, Lindy had 4 times as much money as Macy. If Macy had $520 left, how much money did she have at first? ","answer0":"1165","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25674":{"id":25674,"question":"Meili had only the coins 5 cents, 10 cents, 20 cents, 50 cents and $1 in her wallet. She took three coins from her wallet and dropped them into a donation box. Which one of the following could be the amount she donated?","answer0":"$0.35","answer1":"$0.85","answer2":"$1.20","answer3":"$1.80","type_id":1,"correct_answer":0},"25692":{"id":25692,"question":"A tennis racket has a sale price of $135 and a usual price of $180. What is the percentage discount for the tennis racket? ","answer0":"25","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25697":{"id":25697,"question":"The parking charges at ABC car park are: First hour $1.80; every additional half an hour $0.60. Mr Tan parked his car for 9 hours at ABC car park. How much did he pay, in $? ","answer0":"11.40","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25698":{"id":25698,"question":"Miss Tan started a fixed deposit account with $30 000 in a bank. The interest rate is 4% per year. How much would she have in her account at the end of one year? Give your answer in $. ","answer0":"31200","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25705":{"id":25705,"question":"In Country X, the height of six 10-cent coins is the same as that of five 20-cent coins (Diagram 1). Diagram 2 shows an unknown number of 10-cent coins stacked to the same height as another stack of 20-cent coins. The total value of the 2 stacks of coins in Diagram 2 is $8. (a) Find the number of 10-cent coins used in Diagram 2. (b) Find the value of all the 20-cent coins used in Diagram 2, in $. (a) (b) ","answer0":"30","answer1":"5","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25707":{"id":25707,"question":"Mrs Goh had some money. She used $53 to pay for 4 identical large potted plants and 7 identical small potted plants. If she bought another large potted plant, she would be short of $3.50. If she bought another small potted plant, she would have $1.50 left. (a) What is the difference in price between the large and the small potted plant, in $? (b) Find the price of one large potted plant, in $. (a) (b) ","answer0":"5","answer1":"8","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25709":{"id":25709,"question":"40 workers donated money to charity. 60% of them were male workers. Each male worker donated $20 and each female worker donated $4 more than each male worker. (a) How much money, in $, did the female workers donate altogether? (b) On the average, how much, in $, did each worker donate? (a) (b) ","answer0":"384","answer1":"21.60","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"27271":{"id":27271,"question":"A handbag cost $250. Kelly bought the bag and was given a 20% discount. She had to pay 8% GST on the discounted price. How much did she pay for the handbag inclusive of the GST?","answer0":"$180","answer1":"$184","answer2":"$216","answer3":"$220","type_id":1,"correct_answer":2},"27277":{"id":27277,"question":"After an increase of $80, Daniel's monthly allowance became $400. What is the percentage increase in his allowance? ","answer0":"25","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"27282":{"id":27282,"question":"Mr Chan bought a laptop and a printer from a shop. He paid a total of $1824 for these two items after discount. The total discount given for the laptop and printer was $246. The laptop's usual price is $1290 with a discount of 10% given. Find the percentage discount given for the printer. ","answer0":"15","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"27309":{"id":27309,"question":"The rate for parcel postage at a post office is: not over 100 g = $2.50; not over 250 g = $3.90; not over 500 g = $5.20; every additional 100 g = $1. Alice posted a parcel that weighed 660 g. How much did she pay for the postage? ","answer0":"7.20","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"27314":{"id":27314,"question":"Ivan and Helen shared a sum of money in the ratio of 3 : 2. When Ivan gave $21 to Helen, the ratio of Ivan's amount of money to Helen's amount of money became 2 : 13. How much money did Ivan have at first? ","answer0":"27","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"27315":{"id":27315,"question":"Karen paid $54 for 15 cupcakes after a 25% discount. How many cupcakes could she have bought with the same amount of money without the discount? ","answer0":"11","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"27318":{"id":27318,"question":"Pop-its cost $4.50 for one set of 4 pop-its. Unicorn soft toys cost $18 for a set of 5 soft toys. The items are sold only in sets. (a) If Ms Chou wants to buy 18 pop-its and 22 unicorn soft toys, what is the least amount of money that she needs to spend on both items? $ (b) She is given a 10% discount for all the items bought. How much will she pay? $","answer0":"112.50","answer1":"101.25","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"27320":{"id":27320,"question":"Peter and John were paid a total of $3390 for the work they did. Peter was paid $1830 more than John. (a) How much was Peter paid? $ (b) Peter and John were paid based on the number of days they worked. Peter worked 3 times as many days as John. Peter was paid $5 more than John per day. How many days did Peter work? ","answer0":"2610","answer1":"54","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"27322":{"id":27322,"question":"The charges for water consumption are: Up to 40 m\u00b3 = 117 cents per m\u00b3; Above 40 m\u00b3 = 140 cents per m\u00b3. (a) John's family used 32 m\u00b3 of water in March. How much did his family pay? $ (b) Simon's family spent $66.40 on water consumption in April. How much water did his family use? Give your answer in m\u00b3. m\u00b3","answer0":"37.44","answer1":"54","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26695":{"id":26695,"question":"William had $100. After buying 5 identical bags, he had $p left. Find the cost of each bag.","answer0":"$\\(\\dfrac{100-p}{5}\\)","answer1":"$\\(\\dfrac{100p}{5}\\)","answer2":"$(100 \u2212 5p)","answer3":"$\\(100-\\dfrac{p}{5}\\)","type_id":1,"correct_answer":0},"26697":{"id":26697,"question":"Nathanael spent 20% of his money on a cap. He used the rest of the money to buy a bag and a shirt. The bag cost $15 more than the cap. The shirt cost $165. Find the cost of the bag.","answer0":"$35","answer1":"$48","answer2":"$60","answer3":"$75","type_id":1,"correct_answer":3},"26709":{"id":26709,"question":"8 people shared the cost of a meal equally. The cost of the meal was divided by 6 instead of 8 by mistake. As a result, each of the eight people paid $4 more than what they should have paid. What is the correct amount that each person should pay? Ans: $","answer0":"12","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26718":{"id":26718,"question":"P2 Q4. Elaine took a taxi from home to the shopping mall. Charges: First 1 km $4.60; every additional 400 m or less $0.26; every 45 seconds of waiting or less $0.26. The taxi travelled a total distance of 4.7 km and stopped once at a traffic light for 1 minute. How much did Elaine pay for her taxi fare? Ans: $","answer0":"7.72","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26719":{"id":26719,"question":"P2 Q5. George bought buns of 3 different flavours. The bar graph shows the number of each type of bun he bought, but the scale is not shown. The price of each coconut bun is $1.80. George paid $50.40 for the coconut buns. How many kaya buns did he buy? Ans: ","answer0":"36","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26720":{"id":26720,"question":"P2 Q6. Alice and Diana had some money each. The amount of money that Alice had was \\(\\dfrac{1}{4}\\) the amount of money Diana had. They wanted to buy the same dress each but Alice was short of $28.40 and Diana was short of $15.50. How much was the dress? Ans: $","answer0":"32.70","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26721":{"id":26721,"question":"P2 Q7. Mr Lim bought 24 tubs of identical ice cream for $360. After a price increase in each tub of ice cream, he could only buy 20 tubs with the same amount of money. What was the percentage increase in the price of each tub of ice cream? Ans: %","answer0":"20","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26722":{"id":26722,"question":"P2 Q8. A carton of packet drinks costs $12. For every 15 cartons of packet drinks bought, a discount of 10% was given. Elisa bought a number of cartons of packet drinks for a charity event and she paid $1296. What was the most number of cartons Elisa bought? Ans: ","answer0":"120","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26729":{"id":26729,"question":"P2 Q15. A group of tourists paid a total amount of $2220 for the admission tickets to the Singapore Zoo. The ratio of the number of adults to children to senior citizens was 5 : 2 : 3. The ratio of the amount paid for all children to the amount paid for all senior citizens was 7 : 6. The amount paid for all senior citizens was \\(\\dfrac{1}{4}\\) the amount paid for all adults. Given that the price of an adult ticket was $48, find the total number of people in the group. Ans: ","answer0":"60","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30613":{"id":30613,"question":"A book costs $b more than a pen. The total cost of a book and 3 pens is $20. Find the cost of a pen.","answer0":"\\(\\$\\dfrac{20-b}{3}\\)","answer1":"\\(\\$(\\dfrac{20}{4}-b)\\)","answer2":"$(20 - 3b)","answer3":"\\(\\$\\dfrac{20-b}{4}\\)","type_id":1,"correct_answer":3},"30625":{"id":30625,"question":"Siti received a monthly allowance of $120 at the beginning of July. The line graph shows the amount of pocket money she had left at the end of each week of July. How much did Siti spend in July in total? Ans: $","answer0":"104","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30626":{"id":30626,"question":"Siti received a monthly allowance of $120 at the beginning of July. The line graph shows the amount of pocket money she had left at the end of each week of July. (a) In which week did Siti spend the most? Week (b) How much did she spend in that week? Ans: $","answer0":"1","answer1":"40","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30633":{"id":30633,"question":"Jane spent \\(\\dfrac{3}{5}\\) of her money on a pair of shoes. She then spent $5 more than \\(\\dfrac{1}{4}\\) of the remainder on a dress. The dress cost $35. How much money did she have at first? Ans: $","answer0":"300","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30638":{"id":30638,"question":"The amount of money Bala had was 60% that of Alan's. (a) Alan had $52. How much did Bala have? Ans: $ (b) After receiving some money from his mother, Bala's amount of money increased by 20%. By what percentage must Alan's money decrease so that they have the same amount of money? Ans: %","answer0":"31.20","answer1":"28","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30640":{"id":30640,"question":"Tracy had five more 50-cent coins than 20-cent coins. After she used eight 50-cent coins, the value of the 50-cent coins is $6.30 more than the value of 20-cent coins. How many coins did she have at first? Ans: ","answer0":"57","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29299":{"id":29299,"question":"A toaster has a sale price of $56 and a usual price of $80. What is the percentage discount for the toaster? %","answer0":"30","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29316":{"id":29316,"question":"William had $100. After buying 5 identical bags, he had $p left. Find the cost of each bag.","answer0":"\\($\\left(\\dfrac{100-p}{5}\\right)\\)","answer1":"\\($\\left(\\dfrac{100p}{5}\\right)\\)","answer2":"$(100 \u2212 5p)","answer3":"\\($\\left(100-\\dfrac{p}{5}\\right)\\)","type_id":1,"correct_answer":0},"29318":{"id":29318,"question":"Nathanael spent 20% of his money on a cap. He used the rest of the money to buy a bag and a shirt. The bag cost $15 more than the cap. The shirt cost $165. Find the cost of the bag.","answer0":"$35","answer1":"$48","answer2":"$60","answer3":"$75","type_id":1,"correct_answer":3},"29330":{"id":29330,"question":"8 people shared the cost of a meal equally. The cost of the meal was divided by 6 instead of 8 by mistake. As a result, each of the eight people paid $4 more than what they should have paid. What is the correct amount that each person should pay? $","answer0":"12","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29726":{"id":29726,"question":"James paid $20 for 40 rulers. How much did each ruler cost?","answer0":"5 cents","answer1":"2 cents","answer2":"50 cents","answer3":"20 cents","type_id":1,"correct_answer":2},"29756":{"id":29756,"question":"Miss Lim travelled 3.2 km in a taxi from home to the mall. Her taxi fare was based on the charges: First km $4.80; every additional 400 m or less $0.20. How much was her taxi fare?","answer0":"$5.40","answer1":"$5.80","answer2":"$6.00","answer3":"$6.40","type_id":1,"correct_answer":2},"29757":{"id":29757,"question":"Sam spent $42 of his money on a gift and \\(\\dfrac{2}{5}\\) of the remaining money on a book. In the end, he had \\(\\dfrac{1}{4}\\) of his money left. How much money did Sam have at first?","answer0":"$42","answer1":"$70","answer2":"$72","answer3":"$180","type_id":1,"correct_answer":3},"29758":{"id":29758,"question":"Limin, Ming and Raju each had some money at first. Limin gave Ming $2.50. Ming then gave Raju $1.80. Raju then spent $3 on a pen. In the end, they each had $5. What was the difference between the amount Limin and Raju had at first?","answer0":"$0.50","answer1":"$1.20","answer2":"$1.30","answer3":"$3.00","type_id":1,"correct_answer":2},"29765":{"id":29765,"question":"Alice saves $2 every day. Her mother gives her $1 for every 10 days that she saves. What is the total amount of money she will have after 43 days? ","answer0":"90","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24472":{"id":24472,"question":"Huiling had $z. Ravi had twice as much money as Huiling. Jas had $5 more than Ravi. If Jas had $10, how much money did Huiling have?","answer0":"$30","answer1":"$7.50","answer2":"$3","answer3":"$2.50","type_id":1,"correct_answer":3},"24484":{"id":24484,"question":"Mr Liew paid $78.59 for a pair of shoes and $19.90 for a towel. (a) How much did he spend altogether? Round the answer to the nearest dollar. (b) Find the cost of 30 such towels. (a) $ (b) $","answer0":"98","answer1":"597","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24486":{"id":24486,"question":"In 2021, Maggie saved 20% of her monthly salary of $3000 each month. In 2022, Maggie received an increase in her monthly salary and she saved $180 more per month. What was the percentage increase in Maggie's monthly savings? %","answer0":"30","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24493":{"id":24493,"question":"The original price of a book was $k$. David bought 15 such books. After he was given a discount of $10, he paid a total of $110. What was the original price of one such book? $","answer0":"8","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24494":{"id":24494,"question":"The table shows the charges for renting a bicycle. On Friday, Mr Wu rented a bicycle and returned it at 6 p.m. He paid a total of $24. For how many hours did he rent the bicycle? h","answer0":"5","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24495":{"id":24495,"question":"Ji Min saved some money in April. She saved $2.50 per day for 20 days. She then saved $3.10 per day for the rest of the month. What was the average amount of money she saved per day in April? (There are 30 days in April.) $","answer0":"2.70","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24496":{"id":24496,"question":"Dana bought an oven from Shop A at 15% discount during a sale. The price of the oven was $800 before discount at Shop A. Hailey bought an identical oven from Shop B at 20% discount and paid the same amount as Dana. What was the price of the oven before discount at Shop B? $","answer0":"850","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24498":{"id":24498,"question":"Peter had $18.20 less than Jane at first. After Jane gave some of her money to Peter, he had $29.20 more than her. How much money did Jane give to Peter? $","answer0":"23.70","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25010":{"id":25010,"question":"Bala bought 3 pens and 2 files. The total cost of the 3 pens and 2 files was $7.65. (a) Bala gave the cashier $50 to buy the 3 pens and 2 files. How much change did he receive? $ (b) Chandra bought 9 such pens and 6 such files. How much did he pay? $","answer0":"42.35","answer1":"22.95","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25020":{"id":25020,"question":"A worker is paid as follows: 1st hour $75; every additional hour $40; and for every 4 hours of completed work, an additional $10 is paid. Mr Morris was paid $325 for a day's work. How many hours did he work? h","answer0":"7","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25022":{"id":25022,"question":"A handphone has a price before GST of $890. What is the price of the handphone after adding 8% GST? $","answer0":"961.20","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25025":{"id":25025,"question":"At a bakery, Mrs Tan bought 9 chicken puffs and Mrs Lim bought 5 beef puffs. They spent the same amount of money buying these puffs. Each beef puff cost $1.20 more than each chicken puff. How much money did Mrs Tan and Mrs Lim spend altogether? $","answer0":"27","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25034":{"id":25034,"question":"A company offered 150 laptops at a 20% discount during a 5-day sale. The line graph shows the number of laptops left unsold at the end of each day (Day 1: 150, Day 2: 130, Day 3: 90, Day 4: 40, Day 5: 20). (a) On which day was the most number of laptops sold? Day (b) What percentage of the laptops were sold on the first 2 days? % (c) During the sale, the discounted price of the laptop was $1288. After the sale, the remaining laptops were sold at a discount of 50% instead of 20%. What was the total amount of money collected from selling all 150 laptops? $","answer0":"3","answer1":"40","answer2":"183540","answer3":null,"type_id":2,"correct_answer":null},"25718":{"id":25718,"question":"Ninety identical pencils cost $57.60. What is the cost of one such pencil?","answer0":"$0.54","answer1":"$0.64","answer2":"$0.74","answer3":"$6.40","type_id":1,"correct_answer":1},"25737":{"id":25737,"question":"Mr Tan had $20 more than Mr Lee at first. After Mr Tan spent $50 and Mr Lee spent half of his money, both of them had the same amount of money left. How much money did Mr Lee have at first? $","answer0":"60","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25742":{"id":25742,"question":"Joy had a meal that cost $32.50 before GST at a restaurant. What was the cost of her meal after adding 8% GST? $","answer0":"35.10","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25745":{"id":25745,"question":"Miss Wong bought two identical suitcases at a year-end sale (40% discount for all suitcases). The two suitcases cost $174 after discount. Find the price of one such suitcase before discount. $","answer0":"145","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25746":{"id":25746,"question":"Mr Mohammad took a taxi from home to his office. His taxi fare was based on the charges: first 1 kilometre or less $4.30; every additional 400 m or less $0.24; every 45 seconds of waiting or less $0.24. The taxi stopped once at a traffic light and travelled a total distance of 7 km to reach his office. Mr Mohammad paid $9.10. What was the longest possible duration the taxi stopped at the traffic light? s","answer0":"225","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25752":{"id":25752,"question":"Ashraf had some money at first. He spent 15% of it on food and $810 on a new laptop. He then gave 20% of the remainder to his brother. In the end, he had $304 left. (a) How much money did Ashraf give to his brother? $ (b) How much money did Ashraf have at first? $","answer0":"76","answer1":"1400","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25769":{"id":25769,"question":"A lollipop cost $0.70. There were 80 lollipops in a box. Janie bought 8 such boxes of lollipops for her class party. How much did she spend on the lollipops?","answer0":"$408","answer1":"$428","answer2":"$448","answer3":"$560","type_id":1,"correct_answer":2},"25787":{"id":25787,"question":"[Paper 2 Q3] The price of a pair of shoes was $80 before discount. Richard bought the pair of shoes at a discount of 15% during a sale. How much did he pay for the pair of shoes? Ans: $","answer0":"68","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25798":{"id":25798,"question":"[Paper 2 Q14] A pencil and an eraser cost $1.05. A pencil and a ruler cost $0.85. Bernice paid $6.90 for 8 such pencils and 5 such erasers. Chandra paid $3.30 for some rulers. (a) What was the cost of one such eraser? $ (b) How many such rulers did Chandra buy? ","answer0":"0.30","answer1":"11","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"27335":{"id":27335,"question":"A lollipop cost $0.70. There were 80 lollipops in a box. Janie bought 8 such boxes of lollipops for her class party. How much did she spend on the lollipops?","answer0":"$408","answer1":"$428","answer2":"$448","answer3":"$560","type_id":1,"correct_answer":2},"27353":{"id":27353,"question":"The price of a pair of shoes was $80 before discount. Richard bought the pair of shoes at a discount of 15% during a sale. How much did he pay for the pair of shoes? $","answer0":"68","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"27358":{"id":27358,"question":"Nurul and Peili went shopping together with a total sum of $60. Nurul spent twice as much as Peili. The amount Peili had left was $7 more than what she had spent. She had twice as much money left as Nurul. How much money did Nurul have at first? $","answer0":"31","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"27378":{"id":27378,"question":"Ashraf had some money at first. He spent 10% of it on food and $140 on a bicycle. He then gave 50% of the remainder to his brother. In the end, he had $200 left. How much money did Ashraf spend on food? ","answer0":"60","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26751":{"id":26751,"question":"A notebook costs $2.65 and a pencil costs $0.90. (a) Find the total cost of one such notebook and one such pencil. $ (b) Mrs Chia bought 200 such notebooks and 200 such pencils. How much did she pay altogether? $","answer0":"3.55","answer1":"710","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26763":{"id":26763,"question":"What is the price of the car after adding 9% GST? The price before GST is $188 000. $","answer0":"204920","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26766":{"id":26766,"question":"A baker had some tarts and cookies. He packed the tarts in boxes of 6 and the cookies in boxes of 10. He sold each box of tarts for $28.80 and each box of cookies for $22.20. He sold 4 times as many boxes of tarts as boxes of cookies. He earned a total of $2198.40 from the sale of all the boxes of tarts and boxes of cookies. How many tarts did he sell? ","answer0":"384","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26772":{"id":26772,"question":"The line graph shows the amount of money that Raj saved each month from March to June. (a) How much more did he save in May than April? $ (b) What was the percentage increase in his savings from May to June? % (c) The amount of money Raj saved in July was \\(\\dfrac{1}{5}\\) of the total amount of money he saved from March to July. How much did he save in July? $","answer0":"280","answer1":"20","answer2":"250","answer3":null,"type_id":2,"correct_answer":null},"30654":{"id":30654,"question":"A fish burger cost $\\(m\\). A beef burger cost $(\\(m\\) + 1). The total cost of 4 fish burgers and 1 beef burger is $21. Find the cost of 1 beef burger.","answer0":"$5","answer1":"$4.40","answer2":"$4.20","answer3":"$4","type_id":1,"correct_answer":0},"30676":{"id":30676,"question":"The following table shows the parking charges at a carpark. For the first hour or less: $2.70 For every additional \\(\\dfrac{1}{2}\\) hour or less: $1.20 Reisha parked her car from 8.15 p.m. to 11.00 p.m. on Tuesday. How much did she have to pay? $","answer0":"7.50","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30677":{"id":30677,"question":"The usual price of a toaster was $80. A discount of 20% was given during a sale. When Mdm Singh bought the toaster online, an additional $10 discount was given after the discount of 20%. What was the total percentage discount given to Mdm Singh for the toaster? %","answer0":"32.5","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30680":{"id":30680,"question":"Mr Soh spent \\(\\dfrac{1}{5}\\) of his money on a pair of shoes and \\(\\dfrac{3}{4}\\) of his remaining money on a bag, a shirt and a hat. The bag cost 3 times as much as the hat. The shirt cost \\(\\dfrac{1}{2}\\) as much as the hat. The pair of shoes cost $48 more than the shirt. How much money did Mr Soh have at first? $","answer0":"360","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30681":{"id":30681,"question":"Muthu paid $18.50 for a total of 20 curry puffs and sandwiches. He paid $0.50 more for each sandwich than each curry puff. Muthu bought 10 more curry puffs than sandwiches. How much did he pay for each sandwich? $","answer0":"1.30","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30685":{"id":30685,"question":"The table shows the rental rate of each item: Pair of Rollerblades $10\/hour, Skateboard $4.50\/hour, Bicycle $7\/hour. The graph shows the number of hours Amy rented for each item. Amy rented 1 pair of rollerblades, 1 skateboard and 2 bicycles. The 2 bicycles were rented for the same duration. How much did Amy pay altogether? $","answer0":"71","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30688":{"id":30688,"question":"Mr Tan had some bags to sell. The line graph shows the number of bags left at the end of each day from Monday to Sunday. Mr Tan sold each bag for \\$18. On Saturday, for every 2 bags sold to a customer, a third bag was given for free. On Sunday, for every bag sold to a customer, a second bag was given for free. From Tuesday to Sunday, on which day was the most amount of money collected from the sale of bags?","answer0":"Wednesday","answer1":"Thursday","answer2":"Friday","answer3":"Saturday","type_id":2,"correct_answer":null},"29348":{"id":29348,"question":"A lollipop cost $0.70. There were 80 lollipops in a box. Janie bought 8 such boxes of lollipops for her class party. How much did she spend on the lollipops?","answer0":"$408","answer1":"$428","answer2":"$448","answer3":"$560","type_id":1,"correct_answer":2},"29366":{"id":29366,"question":"Mr Tan bought a laptop. The price of the laptop before GST was $2580. He had to pay GST of 9% on the price of the laptop. What was the amount of GST he had to pay? $","answer0":"232.20","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29368":{"id":29368,"question":"Kendrik bought 4 different storybooks. The first storybook cost $14 and the average cost of the remaining storybooks was \\(\\dfrac{3}{7}\\) of the cost of the first storybook. How much did he pay for all the storybooks? $","answer0":"32","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29371":{"id":29371,"question":"Nurul and Peili went shopping together with a total sum of $60. Nurul spent twice as much as Peili. The amount Peili had left was $7 more than what she had spent. She had twice as much money left as Nurul. How much money did Nurul have at first? $","answer0":"31","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29380":{"id":29380,"question":"The amount of money Kathy had to the amount of money Alice had was 3 : 4. After Kathy spent $250 on a bag and gave $50 to Alice, the ratio became 1 : 2. (a) How much money did Alice have at first? $ (b) How much money did Kathy have at the end? $","answer0":"1300","answer1":"675","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25284":{"id":25284,"question":"The usual price of a watch was $800. During a sale, the watch was selling at $560. What was the percentage discount given? ","answer0":"30","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25286":{"id":25286,"question":"The table shows the rates of charges for water consumption in a month. First 20 m\u00b3: $1.50 per m\u00b3 Additional amount above 20 m\u00b3: $2.00 per m\u00b3 Mr Smith used 43 m\u00b3 of water. How much did he pay? ","answer0":"76","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25290":{"id":25290,"question":"Jim's savings for 5 months were shown in the table. January: $35, February: $28, March: $0, April: $51, May: $33. What was the average amount of money Jim saved from January to May? ","answer0":"29.40","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26795":{"id":26795,"question":"A pen costs $0.45. What is the total cost of 80 such pens? $ ","answer0":"36","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26802":{"id":26802,"question":"A tailor makes 8 shirts and 5 blouses. She sews 6 red buttons on each shirt and 4 green buttons on each blouse. Red buttons come in boxes of 5 at $1.35 each box; green buttons come in boxes of 4 at $2.20 each box. What is the least amount of money she has to pay for all the red and green buttons she needs? $ ","answer0":"24.50","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26809":{"id":26809,"question":"The pamphlet shows the rent charges of a function room. Medium Room: Happy Hours (12 p.m. to 7 p.m.) $14 per hour; Peak Hours (7 p.m. to 10 p.m.) $19 per hour. Jason and four of his friends rented a medium room from 5 p.m. to 8 p.m. How much did each of them have to pay? $ ","answer0":"9.40","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26819":{"id":26819,"question":"A musical store offered 80 pianos at a 25% discount during a 5-day sale. During the sale, the discounted price of the piano was $735. After the sale, the remaining pianos were sold without discount. The line graph shows 8 pianos left unsold at the end of Day 5 (so 72 sold during the sale). What was the total amount of money collected from selling all the 80 pianos? $ ","answer0":"60760","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24516":{"id":24516,"question":"During a sale, a chair was sold at $210. This was 30% less than the usual price of the chair. What was the usual price of the chair?","answer0":"$63","answer1":"$147","answer2":"$300","answer3":"$700","type_id":1,"correct_answer":2},"24519":{"id":24519,"question":"Mina has $p. She has half as much money as Siti. Linda has $7 less than Siti. How much money does Linda have?","answer0":"$(2p \u2212 7)","answer1":"$(2p + 7)","answer2":"$\\(\\left(\\dfrac{p}{2} - 7\\right)\\)","answer3":"$\\(\\left(\\dfrac{p}{2} + 7\\right)\\)","type_id":1,"correct_answer":0},"24524":{"id":24524,"question":"Find the value of (24 \u2212 9 \u00f7 3) \u00d7 5 Answer: ","answer0":"105","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24528":{"id":24528,"question":"In a school hall, the number of girls was 40% less than the number of boys. There were 408 children altogether. How many girls were there in the hall? Answer: ","answer0":"153","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24532":{"id":24532,"question":"Norman's daily allowances for a particular week are shown in the table. Find his average daily allowance for the week. Ans: $","answer0":"6","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24536":{"id":24536,"question":"The total cost of a handphone and a laptop is $1185. The handphone costs \\(\\dfrac{2}{3}\\) as much as the laptop. What is the cost of the handphone? Ans: $","answer0":"474","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24538":{"id":24538,"question":"The sum of three different 3-digit numbers is 375. The smallest number is 120. What is the biggest possible difference between the other two numbers? Answer: ","answer0":"13","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24539":{"id":24539,"question":"The table shows how Aaron, Bernice and Charlotte shared the cost of a present for their mother. They paid a total of $170 for the present. Aaron paid $4m, Bernice paid $(2m + 3), Charlotte paid $(m \u2212 1). Find the value of m. Answer: ","answer0":"24","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24541":{"id":24541,"question":"The participants of a run were divided equally into Group A and Group B. The ratio of the number of boys to the number of girls was 1 : 2 in Group A and 4 : 3 in Group B. A total of 345 girls took part in the run. How many more boys were there in Group B than in Group A? Answer: ","answer0":"75","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24543":{"id":24543,"question":"The actual average income of a group of adults was $3150. When Ms Tan recorded the income of these adults, she wrongly keyed in one adult's income as $2400 when it should have been $4200. As a result, Ms Tan calculated the average income as $3100. How many adults were there in the group? Answer: ","answer0":"36","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24549":{"id":24549,"question":"Sue had \\(\\dfrac{2}{3}\\) as many stickers as Peggy. Esther had 12 more stickers than Sue. After Peggy gave 40 stickers to Sue and some stickers to Esther, all three girls had the same number of stickers. (a) How many stickers did Peggy give to Esther? Answer: ","answer0":"28","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24550":{"id":24550,"question":"Sue had \\(\\dfrac{2}{3}\\) as many stickers as Peggy. Esther had 12 more stickers than Sue. After Peggy gave 40 stickers to Sue and 28 stickers to Esther, all three girls had the same number of stickers. (b) How many stickers did the three girls have altogether? Answer: ","answer0":"768","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24552":{"id":24552,"question":"Mr Lim and Mr Tan each had 200 identical pots to sell. The line graphs show the total number of pots sold by the end of each day. (b) How many pots did Mr Lim sell on Day 6? Answer: ","answer0":"60","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24553":{"id":24553,"question":"Mr Lim and Mr Tan each had 200 identical pots to sell. The original price of each pot was $70. On the day when Mr Tan had sold 80% of his pots, Mr Lim decided to offer a 15% discount for his remaining pots. How much did Mr Lim collect from the sale of these remaining pots? Ans: $","answer0":"4760","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24558":{"id":24558,"question":"The figures form a pattern. The total number of squares in Figure n is n \u00d7 (n + 1). (b) How many white squares are there in Figure 15? Answer: ","answer0":"120","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24559":{"id":24559,"question":"The figures form a pattern. (c) How many grey squares are there in Figure 80? Answer: ","answer0":"6480","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24560":{"id":24560,"question":"Lily and Megan had an equal number of coins. Lily had an equal number of fifty-cent coins and twenty-cent coins. \\(\\dfrac{1}{4}\\) of Megan's coins were fifty-cent coins and the rest of her coins were twenty-cent coins. Lily had $13.50 more than Megan. (a) How many coins did each girl have? Answer: ","answer0":"180","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"24561":{"id":24561,"question":"Lily and Megan had an equal number of coins (180 each). Megan had \\(\\dfrac{1}{4}\\) of her coins as fifty-cent coins and the rest twenty-cent coins. (b) Megan decided to exchange all her twenty-cent coins for fifty-cent coins of the same value. What was the percentage increase in her number of fifty-cent coins? Answer: ","answer0":"120","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29780":{"id":29780,"question":"Ariana had $28. After buying 7 identical cups, she had $y left. Express the cost of 1 cup in terms of y.","answer0":"$(28 \u2212 7y)","answer1":"\\($\\left(28-\\dfrac{y}{7}\\right)\\)","answer2":"\\($\\left(\\dfrac{28y}{7}\\right)\\)","answer3":"\\($\\left(\\dfrac{28-y}{7}\\right)\\)","type_id":1,"correct_answer":3},"29804":{"id":29804,"question":"Callys always spends 70% of her salary. Her salary for December was 40% more than that for November. As a result, she spent $560 more in December than in November. How much was her salary in December? ","answer0":"2800","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29806":{"id":29806,"question":"Winnie and Sophie were paid a total of $3620 for a job. Winnie was paid $1960 more than Sophie. (a) How much was Winnie paid for the job? $ (b) Winnie and Sophie were paid based on the number of days they worked. Winnie worked 3 times as many days as Sophie. Winnie was paid $5 more than Sophie per day. How many days did Sophie work? ","answer0":"2790","answer1":"20","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29810":{"id":29810,"question":"Ben baked three types of muffins for sale. The number of each type is shown by a bar graph; the chocolate and vanilla bars are not drawn (strawberry is shown). (a) The ratio of chocolate : strawberry : vanilla muffins is 7 : 5 : 9. Draw the bars for chocolate and vanilla. (b) Ben sold all his strawberry muffins at $3.20 each. He collected a total of $192 from the sale of the strawberry muffins. How many muffins did he bake altogether? ","answer0":"252","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29786":{"id":29786,"question":"The volume of the cube is 125 m\u00b3. Find the length of one side of the cube. m","answer0":"5","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25802":{"id":25802,"question":"What is the missing number in the box? $3\\,000\\,000 + 10\\,000 + + 8 = 3\\,014\\,008$","answer0":"4000","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25809":{"id":25809,"question":"Terry had 3 times as many $2-notes as $5-notes. He had $385 altogether. How many $5-notes did Terry have? ","answer0":"35","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25811":{"id":25811,"question":"Tim and Jerry were paid a total of $8568 for selling tickets. Tim was paid $5304 more than Jerry. (a) How much was Tim paid for selling the tickets? $ (b) Tim and Jerry were paid based on the number of tickets they sold. Tim sold 3 times as many tickets as Jerry. Tim was paid $5 more than Jerry for selling each ticket. How many tickets did Tim sell? ","answer0":"6936","answer1":"408","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26392":{"id":26392,"question":"Alan, Ben, and Chandra shared the cost of a present for their cousin. Alan paid \\(\\dfrac{1}{5}\\) of the total amount. Ben paid \\(\\dfrac{3}{5}\\) of the total amount Alan and Chandra paid. What is the ratio of the amount Alan paid to the total amount Ben and Chandra paid? Give your answer in the simplest form.","answer0":"1 : 4","answer1":"4 : 1","answer2":"1 : 5","answer3":"1 : 3","type_id":1,"correct_answer":0},"26850":{"id":26850,"question":"Usual price of a toaster is $80 and the sale price is $56. What is the percentage discount for the toaster? %","answer0":"30","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26865":{"id":26865,"question":"The table shows the salary Sumin was paid for working at a caf\u00e9: Monday to Friday $3m per day, Saturday $(5m + 8), Sunday $(4m - 2). Sumin worked from Monday to Saturday in her first week. What was her total salary for the first week in terms of m? Give your answer in the simplest form.","answer0":"$(20m + 8)","answer1":"$(18m + 8)","answer2":"$(15m + 8)","answer3":"$(20m - 2)","type_id":1,"correct_answer":0},"26866":{"id":26866,"question":"Using the caf\u00e9 salary rates (Saturday $(5m + 8), Sunday $(4m - 2)), Sumin only worked on Saturday and Sunday in her second week. She was paid a total amount of $240 for both days. Find the value of m. ","answer0":"26","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26870":{"id":26870,"question":"Mrs Raja spent \\(\\dfrac{1}{3}\\) of her money on a bag and 2 identical belts. The bag cost twice as much as each belt. Mrs Raja spent \\(\\dfrac{3}{4}\\) of her remaining money on a shirt. She spent $58 more on the shirt than on the bag. How much money did Mrs Raja have at first? ","answer0":"174","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30697":{"id":30697,"question":"Arjun paid $432 for a dining table and 4 identical chairs. The price of each chair was \\(\\dfrac{1}{5}\\) of the price of the dining table. How much did Arjun pay for the dining table? ","answer0":"240","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30698":{"id":30698,"question":"A departmental store gives a discount of $4 for every $25 spent. The jacket costs $189 before discount. What is the price of the jacket after discount? ","answer0":"161","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30703":{"id":30703,"question":"The table shows ticket prices: Adult $30, Senior Citizen $18, Student $12. The number of student tickets sold was \\(\\dfrac{5}{11}\\) of the number of adult tickets sold. \\(\\dfrac{1}{9}\\) of the tickets sold were senior citizen tickets. A total of $9372 was collected. (a) What fraction of the tickets sold were student tickets? (b) What was the total number of tickets sold?","answer0":"(a) \\(\\dfrac{5}{18}\\) (b) 396","answer1":"(a) \\(\\dfrac{5}{11}\\) (b) 396","answer2":"(a) \\(\\dfrac{5}{18}\\) (b) 264","answer3":"(a) \\(\\dfrac{11}{18}\\) (b) 396","type_id":1,"correct_answer":0},"29829":{"id":29829,"question":"A watch costs $200 before 9% GST. What is the cost of the watch including GST? $ ","answer0":"218","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29839":{"id":29839,"question":"Mr Johnson was paid for working as an assistant at the rate shown in the table. He was paid a total of $646 for working 58 hours last week. The rate for the first 50 hours was covered by an ink blot. How much was he paid each hour for the first 50 hours? $ ","answer0":"11","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29850":{"id":29850,"question":"The table shows the ticket prices for a theme park. (a) Ramu bought 3 adult tickets and 5 children tickets. What was the least amount he could have paid? $ (b) Timothy purchased his tickets online and enjoyed a 10% discount. He bought tickets for 4 adults and 3 children. What was the least amount he could have paid? $ (c) Mr and Mrs Tan went to the theme park with their children. They spent $99 on tickets. How many children went to the theme park? ","answer0":"134","answer1":"110.70","answer2":"4","answer3":null,"type_id":2,"correct_answer":null},"29388":{"id":29388,"question":"Ron saved $494 of his allowance. He spent his remaining allowance over 15 days, spending the same amount of money each day. During the 15 days, he spent \\(\\dfrac{2}{7}\\) of his allowance in 8 days. How much was Ron's allowance? $","answer0":"1064","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29389":{"id":29389,"question":"At a carnival, a round balloon cost $3 and a star balloon cost $4 more than a round balloon. The number of star balloons sold was \\(\\dfrac{3}{5}\\) of the round balloons sold. A total of $1044 was collected from the sale of all the balloons. How many round and star balloons were sold altogether? ","answer0":"232","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29390":{"id":29390,"question":"Jasmine started a savings plan by putting 2 notes in a money box every week. Each note was either a two-dollar note or a five-dollar note. Her mother would put in a ten-dollar note every 4 weeks. The total value of the notes after 17 weeks was $171. (a) How many notes were there in the box after 17 weeks? (b) How many of the notes were five-dollar notes? ","answer0":"38","answer1":"21","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29391":{"id":29391,"question":"In a bakery, tarts and cupcakes were sold only in boxes. A box of 6 tarts cost $33 and a box of 8 cupcakes cost $28. (a) Yasmin bought an equal number of tarts and cupcakes. She spent $96 more on the tarts than the cupcakes. How many boxes of tarts did she buy altogether? (b) Both Caleb and Dan bought tarts and cupcakes at the bakery. Dan bought 20 boxes of cupcakes. Caleb bought 8 boxes of cupcakes. The total number of boxes of tarts and cupcakes they each bought was the same. How many more cupcakes and tarts did Dan buy than Caleb? ","answer0":"8","answer1":"24","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29860":{"id":29860,"question":"Jamie deposited a sum of money into a savings account at the beginning of the year. The interest was 2% per year. She received $112 interest after 1 year. How much did Jamie deposit into the savings account? $ ","answer0":"5600","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29862":{"id":29862,"question":"Some adults and children visited the safari over 2 days. The ratio of the number of adults to children on day 1 was 5 : 3. The ratio of the number of adults to children on day 2 was 3 : 1. There were 4 times as many visitors on day 1 as on day 2. The total number of visitors over both days was more than 1755. What was the smallest possible number of children on day 2? (a) (b) (c) (d) ","answer0":"22","answer1":"44","answer2":"88","answer3":"11","type_id":2,"correct_answer":0},"30715":{"id":30715,"question":"A shop gave a discount of $0.30 for every $2 spent. Paul paid $8.50 for a file after discount. What was the price of the file before the discount?","answer0":"$9.70","answer1":"$9.40","answer2":"$9.10","answer3":"$8.80","type_id":1,"correct_answer":0},"30720":{"id":30720,"question":"An item has a sale price of $68 and a usual price of $80. What is the percentage discount for the item? %","answer0":"15","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30728":{"id":30728,"question":"The table shows the rental cost of booking a badminton court: Weekdays $3 per hour, Weekends $5 per hour. Lily spent a total of $42 to book the badminton court for 4 hours on Tuesday and a number of hours on Saturday. How long did she book the badminton court on Saturday? h","answer0":"6","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30748":{"id":30748,"question":"At a shop, pens were only sold in boxes. A box of 6 ballpoint pens cost $1.80 and a box of 4 gel pens cost $6.40. (a) Sam spent $10 to buy both types of pens. Find the least total number of ballpoint pens and gel pens bought by Sam.
(b) Tom bought 22 more gel pens than ballpoint pens. The total number of pens he bought was more than 40 but fewer than 60. How many pens did Tom buy altogether? ","answer0":"16","answer1":"58","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30749":{"id":30749,"question":"In January, a kindergarten was given a total sum of $2400. It spent 80% of the sum of money on books and the rest on stationery. In February, the sum given to the kindergarten was increased. It increased its spending on books by $240. It spent the remaining 20% of the sum given in February on stationery. (a) How much did the kindergarten spend on stationery in January? (b) What was the percentage increase in the sum of money spent on stationery in February? %","answer0":"480","answer1":"12.5","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25353":{"id":25353,"question":"The postage rate for sending letters to Japan is: First 20 g costs $0.80; per additional 10 g or part thereof costs $0.25. Mrs Tan sent a letter weighing 38 g to Japan. How much did she pay for the postage?","answer0":"$1.00","answer1":"$1.05","answer2":"$1.30","answer3":"$1.60","type_id":1,"correct_answer":2},"25355":{"id":25355,"question":"Eddie bought a card and a sunflower for $8.20. Jane bought a card and 2 sunflowers for $14. How much did a card cost?","answer0":"$2.40","answer1":"$5.80","answer2":"$11.60","answer3":"$22.20","type_id":1,"correct_answer":0},"25362":{"id":25362,"question":"The pie chart shows Natalie's expenditure last month. Bills = 15%, Food = \\(\\dfrac{1}{2}\\), Transport is a right angle (25%), Books = $40. How much did she spend on food? $","answer0":"200","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25365":{"id":25365,"question":"Dave had more money than Jerry. After Dave gave Jerry $140, they have the same amount of money. How much more money did Dave have than Jerry at first? $","answer0":"280","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25376":{"id":25376,"question":"A school is collecting money for a donation drive. \\(\\dfrac{1}{2}\\) of the students in the school donated $3. \\(\\dfrac{2}{5}\\) of them donated $4. The rest of the students donated $5. A total of $9000 in donation is collected from the school. How many students are there in the school? ","answer0":"2500","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25383":{"id":25383,"question":"Shop A, Shop B and Shop C sell an identical pen at different prices: Shop A \\$1.20, Shop B \\$1.50, Shop C \\$1.00. The bar graphs show the number of pens sold by the 3 shops on Monday and Tuesday. Shop A sold 95 pens on Monday and 100 pens on Tuesday. (a) How much money was collected altogether by Shop A from the sale of the pens on Monday and Tuesday? \\$[?]","answer0":"234","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25387":{"id":25387,"question":"Laptops were sold at a discount: 1st laptop 15% discount, 2nd laptop 30% discount, 3rd laptop 40% discount. Jian Hao paid a total of $5805 for 3 similar laptops, including an 8% GST. (a) What was the original price of a laptop without GST? $ (b) If he had bought the 3 laptops without any discount, how much more would he have to pay not including the GST? $","answer0":"2500","answer1":"2125","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25823":{"id":25823,"question":"Kylie received a fixed sum of salary monthly. In January, she saved 20% of her salary. Her savings in February increased by 40%. Her total savings for the 2 months was $480. What was the sum of salary given to her monthly? $","answer0":"1000","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25832":{"id":25832,"question":"Below are the prices of facial masks from three different stores. Store A \u2014 Original price: $4.20 for 1 mask. Promotion: 50% discount for all masks! Store B \u2014 Original price: $25.90 for 1 pack of 10. Promotion: For each pack bought, buy a 2nd pack at 40% discount! Store C \u2014 Original price: $3.80 for 1 mask. Promotion: Buy 5 get 4 free! Of the three stores, which store should Mrs Chong buy from if she wants to spend the least amount of money for 100 masks, and how much would she need to pay?","answer0":"Store B, $207.20","answer1":"Store A, $210.00","answer2":"Store C, $212.80","answer3":"Store B, $259.00","type_id":1,"correct_answer":0},"26404":{"id":26404,"question":"Danial, Eric and Francis share some money. Danial has \\($4\\) more than Eric and Francis has \\($5p\\) more than Eric. If Eric has \\($4p\\), how much money do they have altogether?","answer0":"$(17p+4)","answer1":"$(13p+4)","answer2":"$(9p+4)","answer3":"$(17p+8)","type_id":1,"correct_answer":0},"26408":{"id":26408,"question":"Ahmad receives the same amount of allowance every week. He spent $680 of his allowance and saved the rest. When he increased his spending by 30%, his savings decreased by 20%. How much was his allowance? $","answer0":"1700","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26409":{"id":26409,"question":"Raja and Muthu had a total of $402.60. Raja spent 75% of his money and Muthu spent 50% of his money. In the end, Muthu and Raja had the same amount of money left. How much money did they spend altogether? $","answer0":"268.40","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26896":{"id":26896,"question":"Miss Lim travelled 3.2 km in a taxi from home to the mall. Her taxi fare was based on the charges shown. First km: $4.80. Every additional 400 m or less: $0.20. How much was her taxi fare?","answer0":"$5.40","answer1":"$5.80","answer2":"$6.00","answer3":"$6.40","type_id":1,"correct_answer":2},"26897":{"id":26897,"question":"Sam spent $42 of his money on a gift and \\(\\dfrac{2}{5}\\) of the remaining money on a book. In the end, he had \\(\\dfrac{1}{4}\\) of his money left. How much money did Sam have at first?","answer0":"$42","answer1":"$70","answer2":"$72","answer3":"$180","type_id":1,"correct_answer":2},"26898":{"id":26898,"question":"Limin, Ming and Raju each had some money at first. Limin gave Ming $2.50. Ming then gave Raju $1.80. Raju then spent $3 on a pen. In the end, they each had $5. What was the difference between the amount Limin and Raju had at first?","answer0":"$0.50","answer1":"$1.20","answer2":"$1.30","answer3":"$3.00","type_id":1,"correct_answer":2},"26907":{"id":26907,"question":"Alice saves $2 every day. Her mother gives her $1 for every 10 days that she saves. What is the total amount of money she will have after 43 days? Ans: $","answer0":"90","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26921":{"id":26921,"question":"A savings coupon gives: get the first refrigerator at 10% discount, get the second one at 20% discount. Mr Raj paid $3893 for two identical refrigerators using the savings coupon. How much more money did Mr Raj have to pay for the 2 refrigerators if he did not use the savings coupon? Ans: $","answer0":"687","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26922":{"id":26922,"question":"Minah saved some $2-notes and $5-notes in the ratio of 5 : 3. When she took out 36 $2-notes and added the same number of $5-notes, the ratio became 2 : 3. Find the total value of all the $5-notes Minah saved at first. Ans: $","answer0":"300","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26925":{"id":26925,"question":"At a charity walkathon, there was an equal number of children who took part in either the 3-km walk or the 5-km walk. There were 208 girls who took part in the 3-km walk and 162 girls who took part in the 5-km walk. 60% of the boys took part in the 5-km walk. For every 1-km walked by the children, $10 was donated to charity. (a) How many boys took part in the 5-km walk? (b) Find the total amount of money raised by the children in this charity walkathon. Ans: $","answer0":"138","answer1":"24000","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30761":{"id":30761,"question":"Every month, Gary saved $300 of his salary and spent the rest. In December, his spending increased by 4% and he only managed to save $240. How much was his salary? ","answer0":"1740","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30769":{"id":30769,"question":"Mrs Teo and Mr Lim bought the same type of washing machine from a store. Mrs Teo paid $720 for her washing machine after a 20% discount. However, Mr Lim only paid $585 for his washing machine after the discount. What was the percentage discount given to Mr Lim? ","answer0":"35","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30775":{"id":30775,"question":"In Country X, the height of six 10-cent coins is the same as the height of five 20-cent coins. Diagram 2 shows an unknown number of such 10-cent coins stacked to the same height as another stack of such 20-cent coins. The total value of the 2 stacks of coins in Diagram 2 is $8.80. Find the number of 10-cent coins used in Diagram 2. ","answer0":"30","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30812":{"id":30812,"question":"Adam had $48 more than David. When David gave Adam $21, Adam had four times as much money as David. How much money did David have at first? ","answer0":"51","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30817":{"id":30817,"question":"Jane parked her car at a car-park from 12.35 pm to 5.20 pm. The parking rates are: First hour $4.60; Every 30 minutes or part thereof $2.00. How much did she have to pay for parking? ","answer0":"20.60","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30818":{"id":30818,"question":"Kovan Primary School is having a musical. Mrs Teo is in charge of printing invitation cards needed by each group. The bar graph shows the number of cards per group. The printing charges are: First 200 cards $2.00 each; Next 100 cards $1.50 each; Every additional card $0.60 each. How much did Mrs Teo have to pay for the total number of invitation cards printed for the four groups? ","answer0":"592","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30819":{"id":30819,"question":"The ratio of the number of adults to the number of children at a concert was 5 : 3. The price of one adult ticket was $45 while the price of a child ticket was $23. The total amount of money collected from the sale of tickets was $5292. How many adults attended the concert? ","answer0":"90","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30820":{"id":30820,"question":"Mr Samad spent \\(\\dfrac{1}{6}\\) of his money on 2 shirts and 3 jackets. Each jacket cost twice as much as each shirt. He then spent \\(\\dfrac{2}{5}\\) of his remaining money on a wallet. He spent $23.80 more on the wallet than on the 2 shirts. How much money did Mr Samad have at first? ","answer0":"81.60","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30826":{"id":30826,"question":"Matthew had $72 more than Cayden. Matthew spent 90% of his money and Cayden spent 40% of his. In the end, Cayden has twice as much money as Matthew. How much money did Matthew have at first? ","answer0":"108","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30832":{"id":30832,"question":"Ali paid $135 for 9 swimming lessons. At this rate, how much will he pay for 20 swimming lessons?","answer0":"$45","answer1":"$60.75","answer2":"$300","answer3":"$2700","type_id":1,"correct_answer":2},"30846":{"id":30846,"question":"The cost of a bag is increased from $40 to $50. What is the percentage increase in the cost of the bag? %","answer0":"25","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30853":{"id":30853,"question":"The table shows the number of points that a customer could earn from the amount spent at a shop: Every \\$10 spent earns 100 points. Hakim spent \\$98 at the shop. How many points did he earn? [?]","answer0":"900","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30862":{"id":30862,"question":"Tom had some amount of money. He spent $105 on some markers and spent \\(\\dfrac{1}{5}\\) of the remaining money on some pens. The rest of the money was spent on some notebooks. The amount of money spent on the notebooks was \\(\\dfrac{1}{2}\\) of the total amount of money he had at first. How much money did he have at first? $","answer0":"280","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30864":{"id":30864,"question":"The bar graph shows the ticket prices for the museums (Art \\$16, Toy \\$12, History \\$28, Science \\$40). The pie chart shows the tickets sold on Sunday (Art 86, Science 172, History 258, Toy 516). Which museum collected the most money from the sale of the tickets?","answer0":"Art Museum","answer1":"Toy Museum","answer2":"History Museum","answer3":"Science Museum","type_id":2,"correct_answer":null},"29883":{"id":29883,"question":"What is the percentage discount for the shirt shown? Usual Price: $60 Sale Price: $48 %","answer0":"20","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29888":{"id":29888,"question":"The table shows the parking charges at a car park. Shuling parked her car from 4.15 p.m. to 8 p.m. on a day. How much did she have to pay? Parking Charges: For the first hour or part thereof $2.50; For every additional \\(\\dfrac{1}{2}\\) hour or part thereof $1.20; After 6 p.m. $3 per entry. $","answer0":"7.90","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29891":{"id":29891,"question":"Ishan had $700. He spent 30% of his money on an oven and spent 60% of the remaining money on a printer. How much money did he have left? $","answer0":"196","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29892":{"id":29892,"question":"Shawn counted the number of coins in his piggy bank. 30% of the coins are $1 coins. 16% are 50\u00a2 coins while the rest are 10\u00a2 coins. The total value of the 50\u00a2 coins is $72. Find the total value of the 10\u00a2 coins. $","answer0":"48.60","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29897":{"id":29897,"question":"Xin Hui bought 15 similar pens and 8 similar files. Each file cost twice as much as each pen. The total cost of a pen and a file is $4.20. How much did Xin Hui pay altogether? $","answer0":"43.40","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29899":{"id":29899,"question":"Lynette bought some bags at an average price of $350 each. Then she bought another 2 bags for $925 each and the average price became $400. How many bags did she buy altogether? ","answer0":"21","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29900":{"id":29900,"question":"Muthu has some $2, $5 and $10 dollar notes. \\(\\dfrac{2}{3}\\) of the number of the $10 notes is equal to \\(\\dfrac{2}{5}\\) of the number of $2 notes which is equal to \\(\\dfrac{1}{3}\\) of the number of $5 notes. After he took out six $5 notes and exchanged them for $2 notes, the number of the $5 notes to the number of the $10 notes is now the same. Find the total value of the notes. $","answer0":"140","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29904":{"id":29904,"question":"A shop sells erasers (4 for $1.99) and pencils (5 for $2.99). Mdm Lim spent $139.45 buying some erasers and pencils for her class. She then packed all the erasers and pencils into bags. The ratio of the number of erasers to the number of pencils in each bag was 2 : 3. How many pencils did she buy? ","answer0":"150","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29906":{"id":29906,"question":"Aini bought some sweets and chocolates. A sweet cost 40 cents each and a chocolate cost 90 cents each. She bought 150 more sweets than chocolates. She spent $40 more on the sweets than on the chocolates. How much did she spend altogether? $","answer0":"112","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30880":{"id":30880,"question":"A pen cost 80 cents. Siling bought \\(w\\) similar pens. She gave the cashier some money and received $2 as change. How much did she give to the cashier?","answer0":"$(2 + 0.08w)","answer1":"$(2 + 0.8w)","answer2":"$(2 + 8w)","answer3":"$(2 + 80w)","type_id":1,"correct_answer":1},"30885":{"id":30885,"question":"The table shows overdue-book charges: 50 cents per day for the first 7 days, 80 cents per day after 7 days. Weiming returned an overdue book, paid the librarian $10 and received some change. What was the maximum number of days his book could be overdue?","answer0":"12 days","answer1":"14 days","answer2":"15 days","answer3":"16 days","type_id":1,"correct_answer":2},"30888":{"id":30888,"question":"Jack spent \\(\\dfrac{1}{4}\\) of his money on a new bicycle, \\(\\dfrac{3}{8}\\) of it on a camera and \\(\\dfrac{1}{3}\\) of the remainder on a bag and a watch. The cost of the watch was $110 and the bag cost $80 more than the watch. How much was the bicycle?","answer0":"$600","answer1":"$800","answer2":"$1600","answer3":"$2400","type_id":1,"correct_answer":1},"30895":{"id":30895,"question":"The line graph shows the amount of money Jenny saved from January to June 2024 (Jan 30, Feb 60, Mar 80, Apr 60, May 60, Jun 40). She was given a monthly allowance of $200. (a) How much did she spend from March to May? $ (b) What was the percentage increase in her saving from January to March? Round off to 2 decimal places. %","answer0":"400","answer1":"166.67","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30902":{"id":30902,"question":"Siti bought some hairclips at $4 each and ribbons at $2 each. \\(\\dfrac{1}{4}\\) of the items she bought were hairclips. The total amount of money spent on all the items was $60. How many hairclips and ribbons did she buy altogether? ","answer0":"24","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30906":{"id":30906,"question":"The table shows the parking charges at a car park: $3 for the first hour, then $1.25 for every additional \\(\\dfrac{1}{2}\\) hour or part thereof. Mr Teo parked his car from 1 p.m. to 5.39 p.m. How much parking charges did he have to pay? $ ","answer0":"13","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30908":{"id":30908,"question":"Company A and Company B sent recyclable waste. Company A: Plastic 90 kg, Paper 75 kg, Glass 56 kg. Company B: Plastic 100 kg, Paper 50 kg, Glass 84 kg. Prices: Plastic $0.30\/kg, Paper $0.80\/kg, Glass $1.00\/kg. (a) Which company received more money? (b) How much more? $ ","answer0":"11","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30915":{"id":30915,"question":"Mrs Tan had a sum of money. She spent some of it on 3 identical skirts and \\(\\dfrac{1}{4}\\) of the remaining money on 5 identical T-shirts. After that, she was left with \\(\\dfrac{1}{3}\\) of her money. One skirt cost $55 more than one T-shirt. What fraction of her money did she spend on the 3 skirts?","answer0":"\\(\\dfrac{5}{9}\\)","answer1":"\\(\\dfrac{4}{9}\\)","answer2":"\\(\\dfrac{1}{3}\\)","answer3":"\\(\\dfrac{2}{3}\\)","type_id":1,"correct_answer":0},"30916":{"id":30916,"question":"Mrs Tan had a sum of money. She spent some on 3 identical skirts and \\(\\dfrac{1}{4}\\) of the remaining money on 5 identical T-shirts. After that, she was left with \\(\\dfrac{1}{3}\\) of her money. One skirt cost $55 more than one T-shirt. How much money did she have at first? $ ","answer0":"337.50","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30919":{"id":30919,"question":"The price of a bag in shop A was 75% of the price which shop B sold it for. The bag cost $900 in shop B. During a sale, both shops offer an equal percentage discount on the bag. The discounted price of the bag before GST in shop B is $184.50 more than the discounted price of the bag in shop A before GST. What is the percentage discount? %","answer0":"18","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30946":{"id":30946,"question":"Aisha received $80 from her parents each month for her pocket money. After spending, she saved the rest. The line graph shows the amount of pocket money Aisha spent each month. How much did Aisha save in February? ","answer0":"32","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30947":{"id":30947,"question":"Aisha received $80 from her parents each month for her pocket money. The line graph shows the amount of pocket money Aisha spent each month. In which month did Aisha save the most?","answer0":"January","answer1":"February","answer2":"March","answer3":"April","type_id":1,"correct_answer":3},"30956":{"id":30956,"question":"Claire went shopping with 12 more ten-dollar notes than two-dollar notes. After paying $180 for a suitcase with some ten-dollar notes, the number of the two-dollar notes she had was four times the number of ten-dollar notes left. (a) How many ten-dollar notes did Claire have left? (b) How much money did she have at first? ","answer0":"2","answer1":"216","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30958":{"id":30958,"question":"At a concert, 60% of the tickets were sold at full price and 35% of the tickets were sold at half price. The remaining 70 tickets were given away free. The total amount of money collected was $6510. (a) How many tickets were sold at full price? (b) What was the full price of a ticket? ","answer0":"840","answer1":"6","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30965":{"id":30965,"question":"Mindy wanted to buy 36 identical pens with her money but she was short of $7.80. She decided to spend \\(\\dfrac{4}{7}\\) of her money on 15 identical pens and \\(\\dfrac{1}{2}\\) of the remaining money on a ruler. (b) Find the cost of each pen.
(c) How much did Mindy have at first? ","answer0":"0.80","answer1":"21","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25400":{"id":25400,"question":"The usual price of a study table was $300. During a sale, Mrs Kumar bought 2 such study tables at a discount of 60%. How much was the total discount?","answer0":"$120","answer1":"$180","answer2":"$240","answer3":"$360","type_id":1,"correct_answer":3},"25402":{"id":25402,"question":"Xavier planned to save $21 using his pocket money. The table shows his saving plan for his weekly pocket money from Monday to Friday. Xavier started to save on a Friday. On which day of the week did Xavier manage to save exactly $21?","answer0":"Monday","answer1":"Tuesday","answer2":"Wednesday","answer3":"Thursday","type_id":1,"correct_answer":3},"25416":{"id":25416,"question":"A group of students had an average of $10. Three students with a sum of $57 joined the group and the average amount of each student increased by $3. How many students were there in the group at first? ","answer0":"6","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25432":{"id":25432,"question":"In a bakery, donuts and cupcakes are sold only in boxes. A box of 8 donuts costs $15 and a box of 5 cupcakes costs $7. Alice and Ben were given a sum of money. Alice needed 20 donuts and 3 cupcakes for her party. After buying, Alice passed the rest of the money to Ben. (a) What was the least amount of money Alice spent? Give your answer in dollars. $ (c) Ben spent \\(\\dfrac{4}{7}\\) of the rest of the money and had \\(\\dfrac{1}{3}\\) of the sum left. How many donuts and how many cupcakes did Ben buy? Donuts: , Cupcakes: ","answer0":"52","answer1":"48","answer2":"10","answer3":null,"type_id":2,"correct_answer":null},"27401":{"id":27401,"question":"Shaun had $100. He spent $60 on a bag and 10% of his remaining money on a shirt. What percentage of his money did Shaun spend in total?","answer0":"30%","answer1":"36%","answer2":"64%","answer3":"70%","type_id":1,"correct_answer":2},"27413":{"id":27413,"question":"Aisha bought a pen and a notebook during a sale from a shop. She paid a total of $6 for both items after discount. The usual price of the notebook is $5. There is a 20% discount on all items. Find the price of the pen after the discount. ","answer0":"$2","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26943":{"id":26943,"question":"Jane received $120 as her bursary award. She gave $30 to her father. What percentage of the bursary award money did Jane have left?","answer0":"25%","answer1":"30%","answer2":"75%","answer3":"90%","type_id":1,"correct_answer":2},"26946":{"id":26946,"question":"A bakery had this promotion: 1 donut for $3. Buy 5 donuts and get another 1 donut free! Buy 8 donuts and get another 2 donuts free! Pete left the bakery with 127 donuts using the given promotion. What was the least amount of money he had to pay for 127 donuts?","answer0":"$303","answer1":"$306","answer2":"$375","answer3":"$381","type_id":1,"correct_answer":1},"26952":{"id":26952,"question":"The line graph shows the cost for the amount of overseas mobile data used. (a) Ben used 1 unit of overseas mobile data during his trip. How much did Ben pay? Ans a) $ (b) Ali paid $28. How many unit(s) of overseas mobile data did he use? Ans b) ","answer0":"12","answer1":"4","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26955":{"id":26955,"question":"In a shop, ribbon was sold at $3 per metre. Amy brought $30 to the shop. How much more money does Amy need to buy 10.5 m of the ribbon? $","answer0":"1.50","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26957":{"id":26957,"question":"Jane had $50 more than Ray at first. After Jane gave some of her money to Ray, Jane had $12 more than Ray. How much money did Jane give to Ray? $","answer0":"19","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26959":{"id":26959,"question":"Esther paid $46.60 for 10 similar pens and 12 similar files. The total price of a pen and a file was $4. (a) What was the cost of 1 file? Ans a) $ (b) What was the total cost of 15 pens and 12 files? Ans b) $","answer0":"3.30","answer1":"50.10","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26971":{"id":26971,"question":"Mr Lee bought some food for a party. \\(\\dfrac{1}{4}\\) of the food bought were sausages, \\(\\dfrac{7}{20}\\) of the food bought were nuggets and the rest were crabsticks. A piece of sausage cost 3 times as much as a piece of nugget and 4 times as much as a piece of crabstick. (a) What was the ratio of the total amount Mr Lee spent on the sausages to the total amount spent on the nuggets to the total amount spent on the crabsticks?","answer0":"15 : 7 : 6","answer1":"5 : 7 : 8","answer2":"3 : 1 : 1","answer3":"15 : 14 : 6","type_id":1,"correct_answer":0},"29941":{"id":29941,"question":"The average price of a set of books is $12. When one more book costing $42 is added, the average becomes $18. How many books were there at first? ","answer0":"4","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29943":{"id":29943,"question":"Mrs Chia bought an iron and a kettle for $279.30. The kettle cost $39.70 less than the iron. How much did the iron cost? $ ","answer0":"159.50","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29952":{"id":29952,"question":"In January, Jeremy spent $30. In February he spent 30% less and saved $27. (a) How much did Jeremy spend in February? $ (b) What was the percentage increase in the amount he saved in February? %","answer0":"21","answer1":"50","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29959":{"id":29959,"question":"Wei Li used \\(\\dfrac{1}{4}\\) of her pocket money to buy 3 pens and 7 erasers. Each pen costs 3 times as much as an eraser. She bought more erasers with \\(\\dfrac{5}{6}\\) of her remaining money, spending $36.10 more on erasers. (a) How many erasers can be bought with the money for 3 pens? (b) What is the cost of one eraser? $ ","answer0":"9","answer1":"0.95","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29962":{"id":29962,"question":"The remaining handphones were sold at no discount. Altogether $32 330 was collected for all 100 handphones. What was the price of one handphone before the discount? $ ","answer0":"424","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29963":{"id":29963,"question":"Jane received $200 prize money. She gave $80 to her sister. What percentage of the prize money did Jane give to her sister?","answer0":"20%","answer1":"40%","answer2":"60%","answer3":"80%","type_id":1,"correct_answer":1},"29967":{"id":29967,"question":"Jen saved $40 of her allowance and spent the rest. When she increased her savings by 10%, her spending decreased by 5%. How much was her allowance?","answer0":"$112","answer1":"$116","answer2":"$120","answer3":"$124","type_id":1,"correct_answer":2},"29969":{"id":29969,"question":"A shop sold 240 tables for the year. 35% of the tables were sold in December. (a) How many tables were sold in December? (b) The price of 1 table before 9% GST was $700. Find the amount of GST for 1 table. $ ","answer0":"84","answer1":"63","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29971":{"id":29971,"question":"A shop had a sale and gave the same percentage discount on all types of bags. Bag A: sale price $32, usual price $40. Bag B: sale price $48, usual price unknown. (a) What was the percentage discount for Bag B? % (b) What was the usual price for Bag B? $ ","answer0":"20","answer1":"60","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30992":{"id":30992,"question":"A vase was sold at a 40% discount for $48. What was the original price of the vase before the discount? ","answer0":"80","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31004":{"id":31004,"question":"The cost of an adult ticket to a concert was $68.80. The cost of a child ticket was $32.80. The total amount of money collected from ticket sales was $28 100 for a capacity of 500 people. How many adults attended the concert? ","answer0":"325","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31008":{"id":31008,"question":"Fred, Gerald and Harry shared $123 altogether. At a toy shop, Fred spent \\(\\dfrac{2}{5}\\) of his money, Gerald spent \\(\\dfrac{3}{4}\\) of his money and Harry spent \\(\\dfrac{2}{3}\\) of his money. Fred and Gerald spent the same amount of money and Harry spent twice of what Fred spent. Find the amount of money Gerald had at first. ","answer0":"24","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25444":{"id":25444,"question":"Adam Electronics Store gave a storewide discount of 20% during its annual sale. As a member of the store, Ming Hui is entitled to an additional 10% discount on the discounted price. He bought a camera. Usual Price: $2000. How much did Ming Hui pay for the camera?","answer0":"$600","answer1":"$1400","answer2":"$1440","answer3":"$1600","type_id":1,"correct_answer":2},"25449":{"id":25449,"question":"Hui Ling paid $5 for 20 pencils. What was the cost of each pencil in cents? ","answer0":"25","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25453":{"id":25453,"question":"A can of mushroom soup costs $3.20 and a bundle of 3 cans of mushroom soup costs $8. Diane wants to buy 20 cans of mushroom soup. What is the least amount of money she needs? $","answer0":"54.40","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25455":{"id":25455,"question":"Last month, Rachel saved $90 and spent the rest of her pocket money. If she increased her spendings by 40%, her savings would decrease by 20%. How much was her pocket money? $","answer0":"135","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25462":{"id":25462,"question":"Ben and Joel have $288 altogether. \\(\\dfrac{1}{4}\\) of Ben's money is $18 more than \\(\\dfrac{1}{5}\\) of Joel's money. How much does Joel have? $","answer0":"120","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25465":{"id":25465,"question":"Mrs Lim bought a blender at 20% discount during a sale. She paid $90.72 including 8% GST. What is the original price of the blender? $","answer0":"105","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25843":{"id":25843,"question":"Melissa has $45 and Jing Zhi has $20. Express the amount of money Jing Zhi has as a fraction of the amount of money Melissa has.","answer0":"\\(\\dfrac{4}{9}\\)","answer1":"\\(\\dfrac{9}{4}\\)","answer2":"\\(\\dfrac{4}{5}\\)","answer3":"\\(\\dfrac{20}{25}\\)","type_id":1,"correct_answer":0},"25844":{"id":25844,"question":"6 pencils cost $10.80. Find the cost of 9 pencils. $","answer0":"16.20","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31019":{"id":31019,"question":"Wenling had $20. After buying 4 identical plates, she had $z left. Express the cost of 1 plate in terms of z.","answer0":"\\($(20 - 4z)\\)","answer1":"\\($\\left(20 - \\dfrac{z}{4}\\right)\\)","answer2":"\\($\\left(\\dfrac{20z}{4}\\right)\\)","answer3":"\\($\\left(\\dfrac{20 - z}{4}\\right)\\)","type_id":1,"correct_answer":3},"31026":{"id":31026,"question":"The price of a handbag was reduced from $150 to $120. What was the percentage decrease in price of the handbag?","answer0":"20%","answer1":"25%","answer2":"30%","answer3":"80%","type_id":1,"correct_answer":0},"31033":{"id":31033,"question":"The table shows the charges to post a parcel. First 3 kg: $1 per kg Each additional kg: $2 per kg Mrs Tan posted 2 parcels. One weighs 2 kg and the other weighs 5 kg. How much did Mrs Tan pay? ","answer0":"9","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31042":{"id":31042,"question":"Farah and Sue shared the cost of an oven. Farah paid $30 more than \\(\\dfrac{5}{8}\\) of the cost of the oven. Sue paid $90. How much did the oven cost? ","answer0":"320","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31051":{"id":31051,"question":"Julia went shopping. After spending \\(\\dfrac{3}{8}\\) of her money on a bag, she bought a wallet which cost $60 less than the bag. Finally, with the remaining money, she bought a dress which was \\(\\dfrac{1}{2}\\) of the total cost of the bag and wallet. How much did Julia pay for the wallet? ","answer0":"210","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31091":{"id":31091,"question":"Mdm Kamisah bought two dresses with a discount coupon. The first dress had a 10% discount, and the second dress had a 20% discount. She paid $259.42 which includes a GST of 9%. Both dresses had the same original price before discount. How much was the original price of each dress (excluding GST)? $","answer0":"140","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31093":{"id":31093,"question":"The table shows the prices of admission tickets to Mandai Wildlife Reserve: Child \\$3\\(y\\), Adult \\$60, Senior Citizen \\$(3\\(y\\) \u2212 15), Family Package (2 adults and 2 children) \\$(4\\(y\\) + 100). A family group consisting of 2 adults, 2 children and 1 senior citizen buy their admission tickets using a family package. How much do they pay? Express your answer in terms of \\(y\\). [?] [?] [?] [?]","answer0":"$(7\\(y\\) + 85)","answer1":"$(7\\(y\\) + 100)","answer2":"$(4\\(y\\) + 85)","answer3":"$(3\\(y\\) + 85)","type_id":2,"correct_answer":0},"31098":{"id":31098,"question":"A company offered 120 soft toys at a discount of 20% during a 5-day sale. The bar graph shows the number of soft toys left unsold at the end of each day (Day 1 = 110, Day 2 = 84). What fraction of the soft toys were sold in Day 2?","answer0":"\\(\\dfrac{13}{60}\\)","answer1":"\\(\\dfrac{26}{60}\\)","answer2":"\\(\\dfrac{13}{120}\\)","answer3":"\\(\\dfrac{1}{5}\\)","type_id":1,"correct_answer":0},"31101":{"id":31101,"question":"In a bookshop, for every 3 files sold, 1 pencil case was sold. The total amount collected was $1176. The amount collected from files was $147 more than the amount collected from pencil cases. Each pencil case was sold for $3 more than a file. How many pencil cases were sold? ","answer0":"98","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31122":{"id":31122,"question":"Mika had $80. She wanted to buy 25 muffins at $7 each. How much money was she short of? $ ","answer0":"95","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31129":{"id":31129,"question":"At a cafe, Mona bought 6 chicken wings. She also bought 3 fruit tarts at $1.50 each. Lauretta bought 9 chicken wings. Altogether, Mona spent $3.90 less than Lauretta. How much did 1 such chicken wing cost? $ ","answer0":"2.80","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31132":{"id":31132,"question":"Papers of different masses were sold at Crafty Paper. The prices for the masses of paper are shown in the table. Mass not exceeding 50 g: $2 Mass not exceeding 120 g: $4.50 Mass not exceeding 200 g: $8.00 For every additional 100 g or part thereof: $3.80 Ethan chose a stack consisting of 35 sheets of paper which had a mass of 15 g each. How much did he pay altogether? $ ","answer0":"23.20","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31135":{"id":31135,"question":"The bar graph shows the number of each type of burgers sold at a fast food restaurant on a Friday. The prices are: Chicken $4.50, Vegetable $3.80, Fish $4.20, Beef $5.50. The restaurant collected a total amount of $437 from the sale of vegetable burgers. How many vegetable burgers were sold? ","answer0":"115","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31136":{"id":31136,"question":"The bar graph shows the number of each type of burgers sold at a fast food restaurant on a Friday. The prices are: Chicken $4.50, Vegetable $3.80, Fish $4.20, Beef $5.50. From the graph, Chicken = 150 sold and Fish = 85 sold. What was the difference in the amount collected from the most popular burger sold and the least popular burger sold? $ ","answer0":"318","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31139":{"id":31139,"question":"Membership Promotion: Buy first air fryer at 15% discount, buy second air fryer at 30% discount. For non-members, enjoy a 10% discount for each air fryer. Mrs Wong paid $341 for two air fryers by using the membership promotion. How much would she have paid for 1 air fryer if she was a non-member? $ ","answer0":"180","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31140":{"id":31140,"question":"Fredrick had some coupons to sell at a funfair. Each coupon cost $5. On the first day, he sold 264 coupons. On the second day, he sold \\(\\dfrac{1}{5}\\) of the remaining coupons. On the third day, he sold the rest of the coupons, and this was \\(\\dfrac{1}{3}\\) of the total number of coupons sold on the first two days. (a) What fraction of the total number of coupons did Fredrick sell on the first day?","answer0":"\\(\\dfrac{11}{16}\\)","answer1":"\\(\\dfrac{1}{5}\\)","answer2":"\\(\\dfrac{1}{3}\\)","answer3":"\\(\\dfrac{5}{16}\\)","type_id":1,"correct_answer":0},"31141":{"id":31141,"question":"Fredrick had some coupons to sell at a funfair. Each coupon cost $5. On the first day, he sold 264 coupons, which was \\(\\dfrac{11}{16}\\) of the total. On the second day, he sold \\(\\dfrac{1}{5}\\) of the remaining coupons. On the third day, he sold the rest. What was the total amount of money Fredrick collected from the sale of coupons over the three days? $ ","answer0":"1920","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25481":{"id":25481,"question":"Abraham invested $18 000 in an investment fund. The bank paid 4% interest at the end of each year. How much interest did he earn at the end of 1 year?","answer0":"$18 720","answer1":"$17 280","answer2":"$7200","answer3":"$720","type_id":1,"correct_answer":3},"25483":{"id":25483,"question":"Figera has two 10\u00a2 coins, six 20\u00a2 coins and three 50\u00a2 coins. What is the least number of coins that she can use to make $2?","answer0":"6","answer1":"5","answer2":"3","answer3":"4","type_id":1,"correct_answer":0},"25512":{"id":25512,"question":"The table shows the prices of 5 items: Cap $4.00, Towel $0.90, Haversack $8.90, Water bottle $17.50, Sleeping bag $16.50. Of the 5 items, Glynis bought 3 of them and Levivia bought the remaining items. The items each of them bought were different. Glynis spent $11 more than Levivia. How much money did Glynis spend on the 3 items? ","answer0":"29.40","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25513":{"id":25513,"question":"The table shows the prices of 5 items: Cap $4.00, Towel $0.90, Haversack $8.90, Water bottle $17.50, Sleeping bag $16.50. Of the 5 items, Glynis bought 3 (spending $29.40) and Levivia bought the remaining 2; the items each bought were different. What was the cheapest item each of them bought?","answer0":"Glynis: Cap; Levivia: Towel","answer1":"Glynis: Towel; Levivia: Cap","answer2":"Glynis: Haversack; Levivia: Cap","answer3":"Glynis: Cap; Levivia: Haversack","type_id":1,"correct_answer":0},"25525":{"id":25525,"question":"On Saturday, Mr Zusin sold five different types of items (66 of each prepared). He sold the pens at $1.95 each. From the bar graph, 48 pens were sold. How much money did he collect from the pens? ","answer0":"93.60","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25526":{"id":25526,"question":"On Saturday, Mr Zusin prepared 66 of each of five items and sold some (bar graph). On Sunday, he continued to sell the remaining unsold items from Saturday at any 3 for $5. He sold all the items. How much money did he collect on Sunday? ","answer0":"130","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25527":{"id":25527,"question":"The admission tickets for children to watch a magic show were fixed on all days of a week. On Thursday, there were 80 boys and 60 girls at the show. On Friday, the number of boys increased by 30% and the number of girls decreased by 15%. Altogether, $9440 was collected from the sale of admission tickets over the two days. What was the price of each admission ticket? ","answer0":"32","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25531":{"id":25531,"question":"Omar spent $162 more than \\(\\dfrac{1}{7}\\) of his monthly salary on transport. He spent $40 less than \\(\\dfrac{1}{6}\\) of his remaining salary on groceries. He spent $968 on groceries. He saved the rest of his salary. How much of his monthly salary did Omar save? ","answer0":"5080","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25532":{"id":25532,"question":"Omar spent $162 more than \\(\\dfrac{1}{7}\\) of his monthly salary on transport. He spent $40 less than \\(\\dfrac{1}{6}\\) of his remaining salary on groceries ($968). He saved the rest. What was Omar's monthly salary? ","answer0":"7245","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25533":{"id":25533,"question":"Omar's monthly salary was $7245. Find Omar's total salary in \\(1\\dfrac{1}{4}\\) years. ","answer0":"108675","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25853":{"id":25853,"question":"Mr Lee has $6000 in his bank account. The bank gives 0.3% interest at the end of each year. He does not withdraw any of his savings. What is the total amount of money he will have in the bank at the end of one year? Ans: $","answer0":"6018","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25855":{"id":25855,"question":"The graph shows the number of tickets sold for a basketball match from Monday to Friday. (a) What was the total number of tickets sold from Monday to Wednesday? (b) The usual price of a ticket was $70. On Friday, tickets were sold at a 5% discount. How much money was collected from the sale of tickets on Friday? $","answer0":"220","answer1":"7448","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25858":{"id":25858,"question":"At a furniture shop, office chairs are sold at the usual price of $106 each before GST. During a sale in October, the shop offered a 25% discount on the office chair. (a) What was the discount given for each office chair? $ (b) Karen had $550. What was the greatest number of chairs she could buy during the sale in October? ","answer0":"26.50","answer1":"6","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25859":{"id":25859,"question":"Xavier spent \\(\\dfrac{2}{7}\\) of his money on a laptop and a refrigerator. The refrigerator cost 2 times as much as the laptop. He spent \\(\\dfrac{1}{3}\\) of his remaining money on a vacuum cleaner. The laptop cost \\$1320 less than the vacuum cleaner. What fraction of Xavier's money was spent on the laptop?","answer0":"\\(\\dfrac{2}{21}\\)","answer1":"\\(\\dfrac{4}{21}\\)","answer2":"\\(\\dfrac{1}{7}\\)","answer3":"\\(\\dfrac{2}{7}\\)","type_id":1,"correct_answer":0},"25861":{"id":25861,"question":"Devi had 180 butter buns and two times as many kaya buns in the morning. In the afternoon, she baked some butter buns and sold some kaya buns. The number of kaya buns sold was 5 times of the number of butter buns baked. She had the same number of butter buns and kaya buns in the end. (a) How many butter buns did Devi bake in the afternoon? (b) How many buns did Devi have altogether in the end? (c) The remaining buns were sold at $2.20 each and 1 bun was given free for every 3 buns bought. Mr Poh wanted to get 13 buns. How much money did he need to pay in total? $","answer0":"30","answer1":"420","answer2":"22","answer3":null,"type_id":2,"correct_answer":null},"26417":{"id":26417,"question":"Jia Hui's salary was \\(\\dfrac{4}{7}\\) of Aishah's salary. Jia Hui spent $729. Aishah did not spend any money. In the end, the amount of money Jia Hui had left to the amount of money Aishah had was 2 : 5. How much was Jia Hui's salary? $","answer0":"2430","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26418":{"id":26418,"question":"Shanti wanted to buy a sofa set. The sofa set in Shop A was sold at a 5% discount and the similar sofa set in Shop B was sold at a 20% discount. Both shops sold the sofa set at the same price before discount. To buy the sofa set in Shop A, Shanti would need $150 more than what she had. Shanti bought the sofa set in Shop B and had $300 left. (a) What was the price of the sofa set before discount? $ (b) How much money did Shanti have at first? $","answer0":"3000","answer1":"2700","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26422":{"id":26422,"question":"Mr Ho had a box of red, blue and green pens. \\(\\dfrac{1}{5}\\) of the pens were red, \\(\\dfrac{1}{4}\\) of the pens were blue and the rest were green pens. The cost of each pen is shown in the table. He sold all the pens and collected $1141. Red: $1.20 Blue: $1.60 Green: $1.80 What fraction of the pens were green?","answer0":"\\(\\dfrac{11}{20}\\)","answer1":"\\(\\dfrac{9}{20}\\)","answer2":"\\(\\dfrac{2}{9}\\)","answer3":"\\(\\dfrac{1}{2}\\)","type_id":1,"correct_answer":0},"26423":{"id":26423,"question":"Mr Ho had a box of red, blue and green pens. \\(\\dfrac{1}{5}\\) of the pens were red, \\(\\dfrac{1}{4}\\) of the pens were blue and the rest were green pens. Each red pen costs $1.20, each blue pen costs $1.60 and each green pen costs $1.80. He sold all the pens and collected $1141. How many pens did Mr Ho sell altogether? ","answer0":"700","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26424":{"id":26424,"question":"Mr Ho had a box of red, blue and green pens. \\(\\dfrac{1}{5}\\) of the pens were red, \\(\\dfrac{1}{4}\\) of the pens were blue and the rest were green pens. Each red pen costs $1.20, each blue pen costs $1.60 and each green pen costs $1.80. Daphne bought 2 red pens and 4 green pens with \\(\\dfrac{2}{7}\\) of her pocket money. She bought blue pens with all her remaining pocket money. How many blue pens did Daphne buy? ","answer0":"15","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29419":{"id":29419,"question":"Freddy had $250 and Karina had $100 at first. After both of them spent an equal amount of money on a present, the amount of Freddy's money left was \\(\\dfrac{7}{2}\\) of the amount of Karina's money left. How much money did Freddy have left?","answer0":"$220","answer1":"$210","answer2":"$80","answer3":"$60","type_id":1,"correct_answer":1},"29439":{"id":29439,"question":"Benson had three fewer $1 coins than 20\u00a2 coins. He used all his $1 coins and two 20\u00a2 coins. The total value of the 20\u00a2 coins left was $2. How much money did Benson use? $","answer0":"9.40","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29441":{"id":29441,"question":"In a shop, cups are sold in sets of 8 for $60 and plates are sold in sets of 12 for $75. Lim Soon bought the same number of cups and plates. He spent $660 altogether. How many cups did Lim Soon buy? ","answer0":"48","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29444":{"id":29444,"question":"The table shows an electrical company's charges (before GST): first 180 units at $0.25 per unit, any usage above 180 units at $0.35 per unit. (a) In January, the Wang family used 260 units. How much did they pay after including a 9% GST? $ (b) In February, the charge before GST was $60.05. How many units did the Wang family use in February? ","answer0":"79.57","answer1":"223","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29446":{"id":29446,"question":"A file cost $3.10 more than a pen. Hakim bought twice as many pens as files. He spent a total of $92.70. He spent $6.30 more on the files than on the pens. Find the total cost of a pen and a file. $","answer0":"49.50","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29449":{"id":29449,"question":"A brochure reads: \"Buy first book at 10% discount. Buy second book at [smudged]% discount. Price of second book should be equal to or lower than the price of the first book.\" Suzy bought two books at the sale. (a) Suzy paid $21.05 for the two books. She paid $1.45 less for the second book than the first book. How much did she pay for the first book? $ (b) Find the original price of the first book. $","answer0":"11.25","answer1":"12.50","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29450":{"id":29450,"question":"Paul and Zalim went out together with a total of $140.20. Zalim spent 4 times as much money as Paul. The amount of money Paul had left was $12 more than \\(\\dfrac{1}{2}\\) of what Zalim spent. The amount of money Zalim had left was \\(\\dfrac{1}{5}\\) of what Paul had left. (a) How much money did Paul spend? $ (b) How much money did Zalim have at first? $","answer0":"17","answer1":"77.20","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29451":{"id":29451,"question":"A footpath of length 25.2 m is tiled using identical rectangular tiles and identical circular tiles, following the pattern shown. Each tile is in contact with those next to it. The width of the footpath is 84 cm. (Take \u03c0 = \\(\\dfrac{22}{7}\\)) (a) How many rectangular and circular tiles were used to tile the entire footpath altogether? (b) Find the area of the footpath not covered by tiles. cm\u00b2 (c) Replacing all tiles costs $3.20 per circular tile and $1.80 per rectangular tile. What is the total cost to replace all the tiles on the footpath? $","answer0":"140","answer1":"15120","answer2":"560","answer3":null,"type_id":2,"correct_answer":null},"29988":{"id":29988,"question":"At a shop, rolls of ribbon were sold at \\$7 each. For every 3 rolls of ribbon bought, customers were given one roll free. Last Friday, some customers bought either 1 roll or 3 rolls of ribbon. The shopkeeper collected a total amount of \\$1925 from the sale of ribbons and gave away 65 rolls free. How many customers bought only one roll of ribbon? [?]","answer0":"80","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29990":{"id":29990,"question":"Ben spent $80 on Saturday. He spent $84 on Sunday. What was the percentage increase in his spending from Saturday to Sunday? ","answer0":"5","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29993":{"id":29993,"question":"Great Singapore Sale! Buy first refrigerator at 20% discount. Buy second refrigerator at 40% discount. Sue paid $1120 for two refrigerators during the Great Singapore Sale. How much would she have had to pay for the two refrigerators when there was no sale? ","answer0":"1600","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"29997":{"id":29997,"question":"At first, Mr Singh had some eggs. He sold \\(\\dfrac{4}{9}\\) of his eggs and gave away 36 eggs. He had \\(\\dfrac{1}{2}\\) of the eggs left and he put them on 30 trays. Some trays had 10 eggs while the rest had 12 eggs. (a) How many eggs were put on the 30 trays? (b) How many trays had 10 eggs? (c) Special Offer: Buy 12 eggs, get 2 more eggs free. Mrs Toh took home 56 eggs with the special offer. She paid $2.80 less with the special offer. What was the price of 12 eggs without the special offer? ","answer0":"324","answer1":"18","answer2":"4.20","answer3":null,"type_id":2,"correct_answer":null},"25542":{"id":25542,"question":"The table shows the prices of curry puffs sold at four different shops. Shop A: $0.80 each Shop B: $10 for 8 Shop C: $3.60 for 6 Shop D: $8.40 for 10 Which shop sells the cheapest curry puffs?","answer0":"Shop A","answer1":"Shop B","answer2":"Shop C","answer3":"Shop D","type_id":1,"correct_answer":2},"25565":{"id":25565,"question":"At a shop, the price of 5 identical hats and 14 identical belts is the same as the price of 1 hat and 26 belts. Each hat costs $24 more than each belt. Find the cost of a hat. ","answer0":"36","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25567":{"id":25567,"question":"Mrs Tan bought 24 identical packets of nuts for $30. After the price of each packet of nuts had increased, she could only buy 20 packets with the same amount of money. What was the percentage increase in the price of each packet of nuts? %","answer0":"20","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25576":{"id":25576,"question":"Elyse spent \\(\\dfrac{2}{5}\\) of her money and an additional $50 on a pair of shoes. She spent \\(\\dfrac{3}{5}\\) of the remainder and an additional $86 on a handbag. She spent half of the money that was left on food for $25. How much money did she have at first? ","answer0":"650","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25579":{"id":25579,"question":"At a concert, 80% of the people were adults. 75% of the children at the concert were boys. There were 130 fewer boys than adults. (a) What percentage of the people at the concert were boys? % (b) The price of a child's ticket was 40% of an adult ticket. A total of $2640 was collected at the concert. How much did an adult ticket cost? ","answer0":"15","answer1":"15","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31162":{"id":31162,"question":"Debbie bought a calculator and a printer at Great Store. She was given a 10% discount for both items. The usual prices are: calculator $25, printer $95. How much did she pay for both items? $ ","answer0":"108","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31172":{"id":31172,"question":"The line graph shows the amount of money Jackie spent from January to May. (a) Find the increase in the amount of money spent between January and February. $ ","answer0":"250","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31173":{"id":31173,"question":"The line graph shows the amount of money Jackie spent from January to May. The values are: January $550, February $800, March $330, April $610, May $830. Between which 2 months was there the greatest increase in the amount of money Jackie spent?","answer0":"Between March and April","answer1":"Between January and February","answer2":"Between April and May","answer3":"Between February and March","type_id":1,"correct_answer":0},"31196":{"id":31196,"question":"The table shows information on three brands of eggs. Brand X: $5.60 per carton, 240 cartons sold Brand Y: $3.20 per carton, 315 cartons sold Brand Z: $2.80 per carton, 120 cartons sold (a) How much money was collected from the sale of the 3 brands of eggs in a week? $ ","answer0":"2688","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25593":{"id":25593,"question":"Gavin buys $n$ notebooks at $4 each. He gave the cashier $30. How much change did he receive?","answer0":"$(26 - n)$","answer1":"$(26 + n)$","answer2":"$(30 - 4n)$","answer3":"$(30 + 4n)$","type_id":1,"correct_answer":2},"25605":{"id":25605,"question":"Sharon took a taxi from her office to home. Her taxi fare was based on the charges shown. First 1 km: $3.40 Every additional 400 m or less: $0.25 Every 45 seconds of waiting time or less: $0.25 The taxi stopped at a traffic light for 1 min 30 s and travelled a total distance of 5 km to reach Sharon's home. How much was her taxi fare? $","answer0":"6.40","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"25606":{"id":25606,"question":"At the market, 100 g of crabs cost $2.40. How much does 4 kg of crabs cost? $","answer0":"96","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26433":{"id":26433,"question":"Ben received $120 a month. He spends $80 and saves the remainder. What fraction of his expenditure is his savings?","answer0":"\\(\\dfrac{2}{3}\\)","answer1":"\\(\\dfrac{1}{2}\\)","answer2":"\\(\\dfrac{2}{5}\\)","answer3":"\\(\\dfrac{1}{3}\\)","type_id":1,"correct_answer":1},"26435":{"id":26435,"question":"How much will Mary have to pay for 4 slices of cake during the sale? SALE!! 20% off from the 3rd slice of cake onwards! Usual price: $3.50 per slice","answer0":"$14","answer1":"$12.60","answer2":"$11.90","answer3":"$8.40","type_id":1,"correct_answer":2},"26450":{"id":26450,"question":"Keith parked his car for 4 hours and 15 minutes. How much did he have to pay for carpark charges? Rate | Parking fees First \u00bd hour | $3.00 Each subsequent 1 hour or part thereof | $1.50 Ans: $ ","answer0":"9","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26452":{"id":26452,"question":"Kumar bought a watch at a discount of 20%. Its usual price was $250 before GST. Find the 8% GST of the discounted price. Ans: $ ","answer0":"16","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26453":{"id":26453,"question":"Paula had 12 bookmarks. She sold 3 of them at $5\\(f\\) and the rest at $\\(f\\) each. How much did she collect in terms of \\(f\\)?","answer0":"$14f","answer1":"$24f","answer2":"$9f","answer3":"$60f","type_id":1,"correct_answer":0},"26460":{"id":26460,"question":"Shawn had $90 more than Abigail. If Abigail gave Shawn $15, Shawn would have thrice as much money as Abigail. How much money did Shawn have at first? Ans: $ ","answer0":"165","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"26472":{"id":26472,"question":"A coin box contained 20-cent coins and 50-cent coins in the ratio 3 : 2. When ten 20-cent coins were taken out, exchanged for 50-cent coins and the money returned into the box, the ratio of the number of 20-cent coins to the number of 50-cent coins was 7 : 10. Find the sum of money in the coin box. Ans: $ ","answer0":"12.80","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"27425":{"id":27425,"question":"Mr Lim had $50. After buying 4 identical ties, he had $x left. How much did Mr Lim pay for each tie?","answer0":"\\($(50 - 4x)\\)","answer1":"\\($(50 - \\dfrac{x}{4})\\)","answer2":"\\($(\\dfrac{50 - x}{4})\\)","answer3":"\\($(\\dfrac{50x}{4})\\)","type_id":1,"correct_answer":2},"27435":{"id":27435,"question":"Devi has $10. She spends 95\u00a2 on a bun and 60\u00a2 on a drink. How much money does Devi have left? Ans: $ ","answer0":"8.45","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"27442":{"id":27442,"question":"Sale price $48. Usual Price: $60. What is the percentage discount for the bag shown? Ans: %","answer0":"20","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"27449":{"id":27449,"question":"Shanti took a taxi from home to her office. Her taxi fare was based on the charges shown: First 1 km $3.20; Every additional 400 m or less $0.22; Every 45 seconds of waiting or less $0.22. The taxi stopped once at a traffic light for 1 min and travelled a total distance of 5.8 km to reach Shanti's office. How much was her taxi fare? Ans: $ ","answer0":"6.28","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"27460":{"id":27460,"question":"Andy saved a total of $108 in coins in his coin box. \\(\\dfrac{2}{3}\\) of all the coins saved were one-dollar coins. There were 3 times as many one-dollar coins as fifty-cent coins. The remaining coins were twenty-cent coins. How many coins did Andy save in his coin box altogether? Ans: ","answer0":"135","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31215":{"id":31215,"question":"A pen costs $5 more than a pencil. The cost of a pencil is $p. Find the cost of 10 pencils and 5 pens in terms of p.","answer0":"\\($(5p + 50)\\)","answer1":"\\($(10p + 25)\\)","answer2":"\\($(10p + 75)\\)","answer3":"\\($(15p + 25)\\)","type_id":1,"correct_answer":3},"31226":{"id":31226,"question":"An offer states: $1 for 1 bun; $4 for 5 buns + 1 free. Mrs Law needed 50 buns. How much would she have to pay? ","answer0":"34","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31230":{"id":31230,"question":"The usual price of a bicycle is $400. During a sale, there is a discount of 25% for the bicycle. Find the selling price of the bicycle inclusive of 9% GST. ","answer0":"327","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31231":{"id":31231,"question":"Charlie had the same number of two-dollar notes and ten-dollar notes. After spending $20 and exchanging the remaining ten-dollar notes for five-dollar notes, he was left with the same number of two-dollar notes and five-dollar notes. How much money did Charlie have at first? ","answer0":"48","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31237":{"id":31237,"question":"The table shows the fines for overdue items from a library. Each book: $0.15 per day (1st week), $0.30 per day (2nd week onwards) Each magazine: $0.10 per day (1st week), $0.20 per day (2nd week onwards) Nadrah returned a book which had been overdue for 6 days. How much did she pay for the overdue fines? ","answer0":"0.90","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"31238":{"id":31238,"question":"The table shows the fines for overdue items from a library. Each book: $0.15 per day (1st week), $0.30 per day (2nd week onwards) Each magazine: $0.10 per day (1st week), $0.20 per day (2nd week onwards) Sue Ann paid $3.45 for an overdue item which was a book. For how many days was the item overdue? ","answer0":"15","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30024":{"id":30024,"question":"After a 10% discount, the price of an admission ticket to the amusement park is $45. Children are given a further discount of $3. What is the percentage discount for one child ticket? %","answer0":"16","answer1":null,"answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30036":{"id":30036,"question":"The line graph shows the volume of water the Tan family used from January to June (Jan 35, Feb 48, Mar 28, Apr 40, May 50, Jun 24, in m\u00b3). (a) What was the percentage increase in the water used from April to May? % (b) Charges: first 40 m\u00b3 at $3.50 per m\u00b3, every additional m\u00b3 at $4.50 per m\u00b3. How much did the Tan family pay for their water bill in May? $","answer0":"25","answer1":"185","answer2":null,"answer3":null,"type_id":2,"correct_answer":null},"30041":{"id":30041,"question":"Mr Abdul received some Majulah Singapura vouchers in denominations of $2, $5 and $10. There were as many $10 vouchers as $5 vouchers. The ratio of the number of $2 vouchers to the number of $10 vouchers was 3 : 2. The value of all the vouchers was $1260. (a) What was the total value of the $2 vouchers he received? $ (b) Later he had 4 $2 vouchers, 2 $5 vouchers and 1 $10 voucher left. He bought food from 3 stalls (Stall A $8, Stall B $9, Stall C $11). Vouchers used at each stall cannot exceed the cost of the food. What was the least amount he could have paid in cash? $","answer0":"210","answer1":"2","answer2":null,"answer3":null,"type_id":2,"correct_answer":null}}