[
  {
    "source": "ACS 2022 P5 Semestral Assessment 2 Q24",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "XYZ Bank offered an interest rate of 3% per year. Andrea set up a new account with XYZ Bank and deposited \\$5200. How much money would Andrea have in the bank at the end of 1 year?<br>Ans: \\$[?]",
    "answer0": "5356",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "ACS 2022 P5 Semestral Assessment 2 Q30",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the postage rates for mailing to Malaysia.<br>Mass step not over 4 kg: \\$3 per kg.<br>Per additional step of 500 g or part thereof: \\$2.<br>Dhamiri paid \\$18 to send a parcel to his friend in Malaysia. What was the smallest possible mass of the parcel sent by Dhamiri? Give your answer in grams.<br>Ans: [?] g",
    "answer0": "5001",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "ACS 2022 P5 Semestral Assessment 2 Paper 2 Q3",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the fare rates of a taxi service.<br>First 1 km or less: \\$4.20.<br>Every 500 m thereafter or less up to 10 km: \\$0.50.<br>Every 500 m thereafter or less after 10 km: \\$0.30.<br>Zaiyn boarded a taxi from Newton to Seletar. The total distance travelled was 14 km. How much was Zaiyn's taxi fare?<br>Ans: \\$[?]",
    "answer0": "15.60",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "ACS 2022 P5 Semestral Assessment 2 Paper 2 Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "In July, Raees, Leon and James saved a total of \\$1200. In August, Raees doubled his savings, Leon decreased his savings by \\$160 and James increased his savings by \\$110. Their savings were the same in August. What was Raees' savings in August?<br>Ans: \\$[?]",
    "answer0": "460",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "ACS 2022 P5 Semestral Assessment 2 Paper 2 Q13b",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The graph shows the number of magazines sold each month by a new publishing company from January to June. A total of 3360 magazines were sold from January to June. Each magazine was sold at \\$9.50. What was the average amount the company collected from selling the magazines from January to June?<br>Ans: \\$[?]",
    "answer0": "5320",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "ACS 2022 P5 Weighted Assessment 1 Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Ross had \\$60 and Monica had \\$42 at first. They each spent an equal amount of money. In the end, Ross had three times as much money as Monica. How much did each of them spend? [?]",
    "answer0": "33",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "ACS 2022 P5 Weighted Assessment 1 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Julian bought some mangoes and watermelons for \\$146. He bought 6 more mangoes than watermelons. Each mango cost \\$3 and each watermelon cost \\$5. How many mangoes and watermelons did he buy altogether? [?]",
    "answer0": "38",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "ACS 2022 P5 Weighted Assessment 1 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A group of children visit a museum. The entrance fee for each child is \\$3. For every 3 children, the 4th child is free. The group of children pay \\$114 altogether. What is the greatest number of children in the group? [?]",
    "answer0": "50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "ACS 2022 P5 Weighted Assessment 2 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "After spending \\$65 on a bag and \\$12 on a pack of socks, Jamie had \\$14 left. Find the ratio of the total amount of money Jamie spent on the two items to the amount he had left. Give your answer in its simplest form.",
    "answer0": "\\(11 : 2\\)",
    "answer1": "\\(77 : 14\\)",
    "answer2": "\\(11 : 14\\)",
    "answer3": "\\(7 : 2\\)",
    "correct_answer": 0,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "ACS Primary 2024 P5 End-of-Year Exam Q2",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Andy won \\$500 at story-writing competition. He gave \\$150 to his father. What percentage of his prize money did Andy give to his father?",
    "answer0": "3%",
    "answer1": "30%",
    "answer2": "70%",
    "answer3": "150%",
    "correct_answer": 1,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "ACS Primary 2024 P5 End-of-Year Exam Q22",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Tan gave \\$60 to Steve and Andy in the ratio 2 : 3. How much did Andy get? \\$[?]",
    "answer0": "36",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "ACS Primary 2024 P5 End-of-Year Exam Q25",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Chun Ming and Naomi had \\$13 and \\$45 respectively. They were given an equal amount of money. Naomi had twice as much money as Chun Ming in the end. How much money did each of them receive? \\$[?]",
    "answer0": "19",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "ACS Primary 2024 P5 End-of-Year Exam Q34",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the parking charges at a car park.<br>6 a.m. – 12 p.m.: \\$0.60 per 30 minutes or part thereof<br>12 p.m. – 2 p.m.: \\$1.20 per 30 minutes or part thereof<br>2 p.m. – 6 p.m.: \\$0.60 per 30 minutes or part thereof<br>6 p.m. – 6 a.m.: \\$8 per entry<br>Mr Ho parked his car from 11 a.m. to 2.15 p.m. How much did he pay for the parking? \\$[?]",
    "answer0": "6.60",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "ACS Primary 2024 P5 End-of-Year Exam Q35",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Ali had some money at first. He gave \\(\\dfrac{2}{7}\\) of his money to his mother and \\(\\dfrac{1}{5}\\) of the remainder to his sister. He had \\$216 left. How much money did he have at first? \\$[?]",
    "answer0": "378",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "ACS Primary 2024 P5 End-of-Year Exam Q38",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Tiffany and Leila had the same amount of money at first. Tiffany spent all her money to buy 1 dress and 6 identical skirts. Leila bought 1 such dress and a blouse and had \\$72 left. The blouse cost \\$8 more than the skirt. What was the cost of the blouse? \\$[?]",
    "answer0": "24",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "ACS Primary 2024 P5 End-of-Year Exam Q42",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mrs Tan wanted to fill up her car with \\$60 worth of petrol. Petrol Kiosk A was offering a 12% discount, while Petrol Kiosk B was offering a cash discount of \\$2 on top of a 10% discount.<br>Find the difference in the discounts offered by the 2 petrol kiosks. \\$[?]",
    "answer0": "0.80",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "ACS Primary 2024 P5 End-of-Year Exam Q43",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mrs Tan wanted to fill up her car with \\$60 worth of petrol. Petrol Kiosk B was offering a cash discount of \\$2 on top of a 10% discount. Mrs Tan decided to fill up her car at Petrol Kiosk B. How much did Mrs Tan pay inclusive of 9% GST? \\$[?]",
    "answer0": "56.68",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "ACS Primary 2024 P5 End-of-Year Exam Q47",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The usual price of a kilogram of flour is \\$1.80. During a sale, each kilogram of flour cost 30 cents cheaper.<br>How much did Karen pay for 31 kg of flour during the sale? \\$[?]",
    "answer0": "46.50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "ACS Primary 2024 P5 End-of-Year Exam Q48",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The usual price of a kilogram of flour is \\$1.80. During a sale, each kilogram of flour cost 30 cents cheaper.<br>If Karen paid \\$23.40 to buy some flour at the usual price, how much more flour can she buy during the sale? [?] kg",
    "answer0": "2.6",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "ACS Primary 2024 P5 End-of-Year Exam Q51",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The line graph shows Cynthia's savings from March to July. Cynthia's average monthly savings from March to August is \\$75. How much was his savings in August? \\$[?]",
    "answer0": "150",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "ACS 2025 P5 End-of-Year Exam Q17",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "The table below shows the bicycle rental charges at a park. First hour \\$3.50; every additional 30 min or part thereof \\$1.00. Josh collected his bicycle at 1:30 pm. After cycling, he returned his bicycle and paid \\$10.50. At what time could he have returned his bicycle?",
    "answer0": "5:00 pm",
    "answer1": "5:30 pm",
    "answer2": "5:45 pm",
    "answer3": "6:15 pm",
    "correct_answer": 2,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "ACS 2025 P5 End-of-Year Exam P2 Q2",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A coffeeshop uses 7 packets of coffee powder in a day. Each packet contains \\(3\\dfrac{3}{4}\\) kg of coffee powder. The coffee powder costs \\$52.40 per kilogram. How much does the coffeeshop spend on coffee powder in a day? Ans: \\$ [?]",
    "answer0": "1375.50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "ACS 2025 P5 End-of-Year Exam P2 Q9",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the prices of toy planes sold at a shop during a sale. First 4 toy planes or fewer: \\$12 each. Every additional toy plane: \\$9.50 each.<br>(a) Mrs Tam bought 7 toy planes. How much did she pay for all the toy planes? Ans: \\$ [?]<br>(b) Mrs Lee paid \\$124 for some toy planes. How many toy planes did she buy? [?]",
    "answer0": "76.50",
    "answer1": "12",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "ACS 2025 P5 End-of-Year Exam P2 Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A file and 3 identical pens cost \\$29.20. 2 such files and 8 such pens cost \\$76.20. What was the cost of 1 such pen? Ans: \\$ [?]",
    "answer0": "8.90",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "ACS 2025 P5 End-of-Year Exam P2 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The bar graph shows the different flavours of ice cream sold by a shop (Chocolate 42, Pistachio 36, Strawberry 57, Vanilla 24). The table shows the prices per cup: Chocolate \\$3.50, Pistachio \\$4.20, Strawberry \\$2.50, Vanilla \\$3.80.<br>(b) Which ice cream flavour did the shop earn the most money? From the sale of this ice cream flavour, what was the amount of money earned? Flavour: [?]; Amount: \\$ [?]",
    "answer0": "Pistachio",
    "answer1": "151.20",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "ACS 2025 P5 End-of-Year Exam P2 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Ken and Helen went shopping with a total amount of \\$345. Ken spent twice as much as Helen. The amount Helen had left was \\$26 more than what she had spent. She had twice as much money left as Ken.<br>(a) How much money did Ken spend? Ans: \\$ [?]<br>(b) How much money did Helen have at first? Ans: \\$ [?]",
    "answer0": "136",
    "answer1": "162",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Anglo-Chinese School (Junior) 2024 P5 Bite-Sized Assessment 1 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Banana Muffin: \\$2 each. Chocolate Muffin: \\$3 each. June paid a total of \\$144 for some banana and chocolate muffins. \\(\\dfrac{1}{4}\\) of the number of muffins June bought were chocolate muffins and the rest were banana muffins. How many banana muffins did June buy?<br>[?]",
    "answer0": "54",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Anglo-Chinese School (Junior) 2025 P5 Weighted Assessment 1 Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Erasers are sold at 10 for \\$5 and pens are sold at 8 for \\$6. Julius bought an equal number of erasers and pens for \\$150. How many pens did he buy?<br>[?]",
    "answer0": "120",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "ACS (Junior) 2025 P5 Weighted Assessment 3 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A dishwasher costs \\$1300. During a sale, David bought the dishwasher at a discount of 20%. How much was the discount?<br>Ans: \\$[?]",
    "answer0": "260",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "ACS (Junior) 2025 P5 Weighted Assessment 3 Q9",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mdm Lim had some money. She spent \\$80 and had \\$45 left. What percentage of her money did she spend?<br>Ans: [?] %",
    "answer0": "64",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "ACS (Junior) 2025 P5 Weighted Assessment 3 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The parking charges at a carpark are \\$1.80 for the first hour and \\$1.50 for every additional 30 min or part thereof. Ken parked his car from 4 p.m. to 6.15 p.m. How much did he have to pay?<br>Ans: \\$[?]",
    "answer0": "6.30",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "ACS Primary 2023 P5 End-of-Year Exam Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "The table shows the prices for a farm tour.<br>First 10 tickets: \\$8 each<br>Every additional ticket: \\$5<br>A group went for the farm tour and paid \\$160. How many tickets did the group buy?",
    "answer0": "16",
    "answer1": "20",
    "answer2": "26",
    "answer3": "32",
    "correct_answer": 2,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "ACS Primary 2023 P5 End-of-Year Exam Q14",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Minyi received \\$300 as a prize. He gave \\$60 to his father. What percentage of the prize money did Minyi give to his father?",
    "answer0": "20%",
    "answer1": "40%",
    "answer2": "60%",
    "answer3": "80%",
    "correct_answer": 0,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "ACS Primary 2023 P5 End-of-Year Exam Q25",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Carol has \\$215 more than Raju. Raju has \\$35 less than Joel. Carol has \\$148 more than the total amount of money Raju and Joel have. How much money does Raju have? [?]",
    "answer0": "32",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "ACS Primary 2023 P5 End-of-Year Exam Q28",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Annie, Ben and Caili shared some money. The ratio of Annie's money to Ben's money was 4 : 1. Caili received \\$84 and she had \\$24 more than Annie. How much money did Ben receive? [?]",
    "answer0": "15",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "ACS Primary 2023 P5 End-of-Year Exam Paper 2 Q4",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the postage rates for sending mails in Singapore.<br>Mass not over 20 g: small \\$0.31, large \\$0.60<br>Mass not over 40 g: small \\$0.38, large \\$0.60<br>Mass not over 100 g: large \\$0.60<br>Mass not over 250 g: large \\$0.90<br>Mass not over 500 g: large \\$1.15<br>Mr Cheng sent a small envelope with a mass of 30 g and a large envelope with a mass of 400 g. How much postage did Mr Cheng pay altogether? [?]",
    "answer0": "1.53",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 7 currency $ as \\$."
  },
  {
    "source": "ACS Primary 2023 P5 End-of-Year Exam Paper 2 Q14",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Simon bought an equal number of sandwiches and pies. A sandwich cost \\$4 and a pie cost \\$1.80 less than a sandwich. He paid a total of \\$279. How much did Simon pay for the pies? [?]",
    "answer0": "99",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "ACS Primary 2023 P5 Weighted Assessment 1 Q5",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The cost of 3 similar shirts and 2 similar pairs of jeans is \\$315. A pair of jeans cost thrice as much as a shirt. What is the cost of a shirt \\$[?] and a pair of jeans \\$[?]?",
    "answer0": "35",
    "answer1": "105",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "ACS Primary 2023 P5 Weighted Assessment 1 Q7",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Amos, Kate and Simon each donated a sum of money to a fund-raising event. Kate and Simon donated a total of \\$2310. Amos and Simon donated a total of \\$870. Kate donated 5 times as much money as Amos. How much money did Simon donate? \\$[?]",
    "answer0": "510",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "ACS Primary 2023 P5 Weighted Assessment 2 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Anan and Jia Qi had the same amount of money at first. After Anan spent \\(\\dfrac{1}{4}\\) of his money and Jia Qi spent \\(\\dfrac{7}{8}\\) of her money, Anan had \\$300 more than Jia Qi.<br>(a) How much money did Anan have left? \\$[?]<br>(b) Anan gave \\(\\dfrac{2}{5}\\) of the money he had left to his mother and \\(\\dfrac{1}{3}\\) of the remainder to his father. How much money did Anan give to his father? \\$[?]",
    "answer0": "360",
    "answer1": "72",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2022 P5 Semestral Assessment 2 P1Q19",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Muthu bought 1 plush toy at 1 for \\$20. He had to pay 7% GST. How much did Mr Muthu pay for the plush toy inclusive of GST?<br>Ans: \\$[?]",
    "answer0": "21.40",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2022 P5 Semestral Assessment 2 P1Q27",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "An inline skates rental shop charges \\$4 for the first 30 minutes and \\$2.50 for every subsequent \\(\\dfrac{1}{2}\\) hour or part thereof. Elaine and Alicia each rented a pair of inline skates for 3.5 hours. How much did they have to pay altogether?<br>Ans: \\$[?]",
    "answer0": "38",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2022 P5 Semestral Assessment 2 P2Q2",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "After Patrick spent \\$6 on a meal, he had \\$24 left. What percentage of his money did he spend?<br>Ans: [?]%",
    "answer0": "20",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2022 P5 Semestral Assessment 2 P2Q3",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mdm Koh paid \\$266 for 8 swimming lessons. She paid the same amount for each lesson. At this rate, how much would she need to pay for 6 lessons only?<br>Ans: \\$[?]",
    "answer0": "199.50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2022 P5 Semestral Assessment 2 P2Q17a",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Marcus bought some books and files for a total of \\$192. 2 books and 1 file cost \\$11.20. Each book cost 3 times as much as a file. He bought 8 more books than files. What is the cost of 1 file?<br>Ans: \\$[?]",
    "answer0": "1.60",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2022 P5 Semestral Assessment 2 P2Q17b",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Marcus bought some books and files for a total of \\$192. Each book cost \\$4.80 and each file cost \\$1.60. He bought 8 more books than files. How many files did Marcus buy?<br>Ans: [?]",
    "answer0": "24",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2022 P5 Weighted Assessment 1 Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Qiumei has \\$62 and she wants to buy some files from a bookshop. The bookshop sells the files at \\$2 each or a pack of 5 similar files for \\$9. What is the most number of files she can buy with all her money?<br>[?]",
    "answer0": "34",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2022 P5 Weighted Assessment 3 Q3",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Tan buys a laptop that costs \\$2460. He also has to pay a 7% GST. How much is the GST? \\$[?]",
    "answer0": "172.20",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2022 P5 Weighted Assessment 3 Q4",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mushrooms are sold at \\$2.90 per 200 g at a supermarket. What is the price of 1.8 kg of mushrooms? \\$[?]",
    "answer0": "26.10",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2022 P5 Weighted Assessment 3 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Greg keeps \\$1280 in his bank account for a year. The bank pays him interest of 2.5% each year. How much money will Greg have in his bank account at the end of 1 year? \\$[?]",
    "answer0": "1312",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2022 P5 Weighted Assessment 3 Q9",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Eli worked in a restaurant for 8 hours each day from Monday to Friday. She was paid \\$340 in total. She was paid the same amount per hour.<br>(a) How much was she paid per hour? \\$[?]<br>(b) At this rate, how many hours would she have to work to be paid \\$2380? [?]",
    "answer0": "8.50",
    "answer1": "280",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2022 P5 Weighted Assessment 3 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The original price of a television was \\$1700. Cathy bought it at a discount of 20% and had \\(\\dfrac{4}{5}\\) of her money left. She then spent 30% of the money left on a sofa.<br>(a) How much was the cost of the television after the discount? \\$[?]<br>(b) How much did Cathy spend on the sofa? \\$[?]",
    "answer0": "1360",
    "answer1": "1632",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2022 P5 Weighted Assessment 3 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The rental rates of a bicycle at a neighbourhood park is shown in the table. First 1 hour: \\$6.80. For every additional 30 minutes or part thereof: \\$2.50.<br>(a) Keith rented a bicycle from 8 am to 10.45 am. How much did he pay for the rental? \\$[?]<br>(b) William rented a bicycle and paid \\$19.30 in total. What was the most number of minutes that William rented the bicycle for? [?]",
    "answer0": "16.80",
    "answer1": "210",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2023 P5 End-of-Year Exam Q14",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Ethan received \\$200 as a prize. He gave \\$70 to his mother. What percentage of the prize money did Ethan give to his mother?",
    "answer0": "30%",
    "answer1": "35%",
    "answer2": "65%",
    "answer3": "70%",
    "correct_answer": 1,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2023 P5 End-of-Year Exam Q19",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The original price of a tablet was \\$550. During a sale, Melvin was given a 30% discount for the tablet. How much did he pay for the tablet?<br>\\$[?]",
    "answer0": "385",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2023 P5 End-of-Year Exam Q22",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Three friends shared the cost of 60 mangoes in the ratio \\$1 : 2 : 2$. There is a special offer of \\$10 for one box of 15 mangoes. What was the cost of the smallest share?<br>\\$[?]",
    "answer0": "8",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2023 P5 End-of-Year Exam Q28",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Dexter has \\$27 more than Asher. After Asher gave \\$6 to Dexter, Dexter had 4 times as much money as Asher. What was the amount of money Asher had in the end?<br>\\$[?]",
    "answer0": "13",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2023 P5 End-of-Year Exam Paper 2 Q7",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Patrick bought 15 rulers and 20 highlighters at \\$50. He wanted to buy another highlighter but was short of \\$0.90. He decided to buy another ruler instead and had \\$0.40 left. How much did each ruler cost?<br>\\$[?]",
    "answer0": "0.80",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2023 P5 End-of-Year Exam Paper 2 Q17",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the charges for renting a bicycle. Monday to Friday: 9 a.m. to 5 p.m. is \\$5 per hour and 5 p.m. to 8 p.m. is \\$7 per hour. Saturday and Sunday: 9 a.m. to 8 p.m. is \\$8 per hour.<br>(a) John rented a bicycle from 10 a.m. to 1 p.m. on Sunday. How much did he have to pay? \\$[?]<br>(b) On Tuesday, Ken rented a bicycle and returned it at 7 p.m. He paid a total of \\$29. What was the earliest time he rented the bicycle? [?]",
    "answer0": "24",
    "answer1": "2 p.m.",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2023 P5 Weighted Assessment 1 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Cassandra had 64 hair clips. She packed them into as many packets of 5 hair clips as possible. She sold these packets of hair clips for \\$7 each. The remaining hair clips were sold at \\$1.90 each. How much did she collect from the sale of all the hair clips?<br>\\$ [?]",
    "answer0": "912.60",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2023 P5 Weighted Assessment 1 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "There are three times as many \\$2 notes as \\$1 coins in a bag. The total amount in the bag is \\$462. How many \\$1 coins are there?<br>[?]",
    "answer0": "66",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2023 P5 Weighted Assessment 1 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A bag costs 3 times as much as a pencil box. Mrs Chew paid a total of \\$54 for 2 bags and 3 pencil boxes. What is the difference in price between a bag and a pencil box?<br>\\$ [?]",
    "answer0": "12",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2024 P5 End-of-Year Exam Q14",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Marcus had \\$120. He spent \\$24. What percentage of his money did he spend?",
    "answer0": "20%",
    "answer1": "25%",
    "answer2": "60%",
    "answer3": "80%",
    "correct_answer": 0,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2024 P5 End-of-Year Exam Q19",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The usual price of a vacuum cleaner was \\$3100. During a sale, it was sold at a discount of 20%. What was the price of the vacuum cleaner during the sale?<br>Ans: \\$ [?]",
    "answer0": "2480",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2024 P5 End-of-Year Exam Paper 2 Q4",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "The parking charges at a mall are: First Hour \\$2.50; Every additional half hour or part thereof \\$1.30. Josh paid \\$9 for parking at the shopping mall. At most, how long did he park his car there?",
    "answer0": "\\(3\\dfrac{1}{2}\\) h",
    "answer1": "3 h",
    "answer2": "4 h",
    "answer3": "\\(4\\dfrac{1}{2}\\) h",
    "correct_answer": 0,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2024 P5 End-of-Year Exam Paper 2 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "\\(\\dfrac{3}{5}\\) of Patrick's money is equal to \\(\\dfrac{1}{3}\\) of Joe's money. Patrick has \\$2472 less than Joe. How much money do they have altogether?<br>Ans: \\$ [?]",
    "answer0": "8652",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2024 P5 End-of-Year Exam Paper 2 Q16",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Weili spent \\(\\dfrac{3}{7}\\) of her money on 6 stalks of roses and 6 stalks of tulips. She spent \\(\\dfrac{1}{4}\\) of her remaining money on 10 stalks of daisies. Each stalk of tulip cost 7 times as much as each stalk of rose. Each stalk of daisy cost \\$0.30 more than each stalk of rose. How much did each stalk of tulip cost?<br>Ans: \\$ [?]",
    "answer0": "3.50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2024 P5 End-of-Year Exam Paper 2 Q17a",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Esther spent \\$558 on 4 similar skirts and 3 similar dresses. She wanted to buy another similar dress but she was short of \\$53. In the end, she bought another similar skirt and had \\$28 left. How much more did each dress cost than each skirt?<br>Ans: \\$ [?]",
    "answer0": "81",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2024 P5 End-of-Year Exam Paper 2 Q17b",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Esther spent \\$558 on 4 similar skirts and 3 similar dresses. She wanted to buy another similar dress but she was short of \\$53. In the end, she bought another similar skirt and had \\$28 left. How much money did Esther have at first?<br>Ans: \\$ [?]",
    "answer0": "631",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2024 P5 Term 1 Review Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Erasers were sold in packets of 6 for \\$4 or 1 eraser for \\$0.80. James bought 50 erasers. What was the least amount of money he spent on the erasers?<br>Ans: \\$[?]",
    "answer0": "33.60",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2024 P5 Term 1 Review Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "There are twice as many \\$1 coins as \\$2 notes in a bag. The total amount in the bag is \\$276. How many \\$2 notes are there? [?]",
    "answer0": "69",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2024 P5 Term 1 Review Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A book costs three times as much as a file. Cherie paid a total of \\$63 for 1 book and 4 files. What is the total price of a book and a file?<br>Ans: \\$[?]",
    "answer0": "36",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2024 P5 Term 1 Review Q13b",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Ali spent \\(\\dfrac{2}{3}\\) of his money on pens, \\(\\dfrac{3}{5}\\) of the remainder on toys and saved the rest. Ali spent \\$160 more on pens than the amount he saved. How much money did he save?<br>Ans: \\$[?]",
    "answer0": "40",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2024 P5 Term 2 Review Q2",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Jenny, Siti and Ali shared the cost of a present in the ratio \\(3 : 7 : 4\\). Jenny and Ali paid a total of \\$210. What was the cost of the present? \\$[?]",
    "answer0": "420",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2024 P5 Term 3 Review Q3",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Tan wanted to buy 14 cartons of drinks but he was short of \\$11.40. Each carton costs \\$15.20. How much money, in dollars, did Mr Tan have? \\$[?]",
    "answer0": "201.40",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2024 P5 Term 3 Review Q5",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The price of a television before GST is \\$1299. What is the price, in dollars, of the television including 9% GST? \\$[?]",
    "answer0": "1415.91",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2024 P5 Term 3 Review Q7",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A water bottle and a pencil case cost \\$27.70. A water bottle and a school bag cost \\$106.10. The school bag costs 8 times as much as a pencil case. What is the cost, in dollars, of a school bag? \\$[?]",
    "answer0": "89.60",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2024 P5 Term 3 Review Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Allie saved \\$1.40 each day from Monday to Friday. She saved \\$2.10 each day for Saturday and Sunday. She started saving on a Monday. How many days did it take for Allie to save \\$49? [?]",
    "answer0": "31",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2024 P5 Term 3 Review Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the charges for taxi fare: 1st 2 km or less costs \\$4.80; every additional 400 m or part thereof costs \\$0.35.<br>(a) Mr Anderson's trip was 6 km. How much, in dollars, did he pay for his ride? \\$[?]<br>(b) Mrs Smith paid \\$15.65 for her trip. What was the greatest distance, in km, she could have travelled? [?]",
    "answer0": "8.30",
    "answer1": "14.4",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2025 P5 End-of-Year Exam Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Joshua had \\$280. He spent \\$70 on some books. What percentage of his money did Joshua spend on the books?",
    "answer0": "25%",
    "answer1": "50%",
    "answer2": "70%",
    "answer3": "75%",
    "correct_answer": 0,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2025 P5 End-of-Year Exam Q22",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The line graph shows the amount of pocket money Junhao spent from April to July. He received the same amount of pocket money every month. Junhao saved a total of \\$42 in April and May. How much did he save altogether in June and July? Ans: \\$ [?]",
    "answer0": "27",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2025 P5 End-of-Year Exam Q27",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A bakery was having a special offer: Buy 6 donuts, get 2 additional donuts free. Nora needed 32 donuts for a party. With the special offer, she could save \\$11.60. What was the price of 1 donut without the special offer? Ans: \\$ [?]",
    "answer0": "1.45",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2025 P5 End-of-Year Exam P2 Q2",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The poster shows the rental rate at a bicycle rental shop. First hour \\$7; each additional \\(\\dfrac{1}{2}\\) h \\$2.50. Mike rented a bicycle for \\(3\\dfrac{1}{2}\\) h. How much did he pay for his bicycle rental? Ans: \\$ [?]",
    "answer0": "19.50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2025 P5 End-of-Year Exam P2 Q7",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Dexter spent \\(\\dfrac{5}{6}\\) of his money and Brad spent \\(\\dfrac{3}{5}\\) of his money. In the end, Dexter and Brad had the same amount of money left. Dexter had \\$210 more than Brad at first. How much money did Brad have at first? Ans: \\$ [?]",
    "answer0": "150",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2025 P5 End-of-Year Exam P2 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "At a shop, jackets and shirts were sold. Jacket usual price \\$99; Shirt usual price \\$52.<br>(a) Jasmine bought one jacket at the usual price. The GST is 9%. How much is the GST? Ans: \\$ [?]<br>(b) Asher bought three shirts at a discount of 15%. How much was the total discount for the three shirts he bought? Ans: \\$ [?]",
    "answer0": "8.91",
    "answer1": "23.40",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2025 P5 End-of-Year Exam P2 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Owen was given \\$200 pocket money to spend over 5 days. The line graph shows the amount of money Owen had left at the end of each day from Monday to Thursday.<br>(a) How much money did Owen have left at the end of Monday? Ans: \\$ [?]<br>(c) On Friday, Owen spent 40% of what he had left on Thursday. How much had he left at the end of Friday? Ans: \\$ [?]",
    "answer0": "170",
    "answer1": "33",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2025 P5 End-of-Year Exam P2 Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Esther and Jessie went shopping together with a total sum of \\$261. Esther spent twice as much as Jessie. The amount Jessie spent was \\$9 more than what she had left. She had twice as much money left as Esther.<br>(a) How much did Jessie spend? Ans: \\$ [?]<br>(b) How much money did Esther have at first? Ans: \\$ [?]",
    "answer0": "61",
    "answer1": "148",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2025 P5 Weighted Assessment 1 Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Lee spent \\(\\dfrac{4}{9}\\) of his salary on food and \\(\\dfrac{3}{10}\\) of the remainder on transport. He then saved the rest of his salary. Mr Lee spent \\$56 more on food than the amount he saved. How much was Mr Lee's salary?<br>\\$[?]",
    "answer0": "1008",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2025 P5 Weighted Assessment 1 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Ann, Ben and Cara had some money. Ann and Ben had \\$2661. Ben and Cara had \\$5874. Cara had 4 times as much money as Ann. How much money did Ben have?<br>\\$[?]",
    "answer0": "1590",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2025 P5 Weighted Assessment 2 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The cost of 2 pens and 4 files is \\$23.90. The cost of a file is \\$1.40 more than the cost of a pen. Find the cost of a pen. [?]",
    "answer0": "3.05",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2025 P5 Weighted Assessment 2 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Daryl and Ben had an equal amount of money at first. Each day, Daryl spent \\$5.50 and Ben spent \\$3.20. After some days, Daryl had \\$95.20 left and Ben had \\$132 left. How much money did each of them have at first? [?]",
    "answer0": "183.20",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2025 P5 Weighted Assessment 3 Q7",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The pie chart shows how Mrs Chin spent her money, with Food being 36%. Mrs Chin spent a total of \\$350. How much money did she spend on food?<br>Ans: \\$[?]",
    "answer0": "126",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2025 P5 Weighted Assessment 3 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "There is a sale at ABC Fashion: the 1st dress is at 10% discount and the 2nd dress is at 15% discount, where the price of the 2nd dress should be equal to or lower than the price of the 1st dress. Cassandra bought two dresses with usual prices of \\$60 and \\$89. How much did she pay for the two dresses after the discount?<br>Ans: \\$[?]",
    "answer0": "131.10",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2025 P5 Weighted Assessment 3 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The taxi charges are \\$4.10 for the first 1 km and \\$0.25 for every additional 400 m or part thereof. Huimin travelled 2.3 km by taxi from a shopping mall to her home. How much was her taxi fare?<br>Ans: \\$[?]",
    "answer0": "5.10",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2025 P5 Weighted Assessment 3 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The taxi charges are \\$4.10 for the first 1 km and \\$0.25 for every additional 400 m or part thereof. Joshua paid \\$7.35 for his taxi fare. What was the greatest possible distance of his taxi ride?<br>Ans: [?] km",
    "answer0": "6.2",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2025 P5 Weighted Assessment 3 Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "At a bakery, big donuts are sold at 3 for \\$7 and mini donuts at 4 for \\$5. Wanda bought 12 big donuts and 12 mini donuts. How much more money did she spend on the big donuts than on the mini donuts?<br>Ans: \\$[?]",
    "answer0": "13",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Ai Tong 2025 P5 Weighted Assessment 3 Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "At a bakery, big donuts are sold at 3 for \\$7 and mini donuts at 4 for \\$5. Theo bought an equal number of big donuts and mini donuts. He spent \\$91 more on the big donuts than the mini donuts. How many donuts did he buy in all?<br>Ans: [?]",
    "answer0": "168",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Catholic High 2022 P5 Semestral Assessment 2 Paper 1 Q16",
    "fix_types": [
      "missing_input_blank"
    ],
    "type_id": 2,
    "question": "The solid is formed using unit cubes. How many unit cubes are used to form the solid? [?]",
    "answer0": "10",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Inserted 1 [?] to match 1 non-empty answer(s)."
  },
  {
    "source": "Catholic High 2022 P5 Semestral Assessment 2 Paper 1 Q17",
    "fix_types": [
      "missing_input_blank"
    ],
    "type_id": 2,
    "question": "Find the value of 49 − 10 + 7 × 5 . [?]",
    "answer0": "74",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Inserted 1 [?] to match 1 non-empty answer(s)."
  },
  {
    "source": "Catholic High 2022 P5 Semestral Assessment 2 Paper 1 Q19",
    "fix_types": [
      "missing_input_blank"
    ],
    "type_id": 2,
    "question": "Express \\(5\\dfrac{7}{25}\\) as a decimal. [?]",
    "answer0": "5.28",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Inserted 1 [?] to match 1 non-empty answer(s)."
  },
  {
    "source": "Catholic High 2022 P5 Semestral Assessment 2 Paper 1 Q27",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The rental rates for a bicycle at a shop are as shown: First 2 hours \\$20.00; every additional \\(\\dfrac{1}{2}\\) hour or less \\$4.50. Dennis rented a bicycle at 8.15 a.m. and returned it at 12.00 noon on the same day. How much would he need to pay for the bicycle rental? [?]",
    "answer0": "38",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Catholic High 2022 P5 Semestral Assessment 2 Paper 2 Q3",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Amy had \\$560 less than Harry. After Harry gave Amy some money, Amy had \\$780 more than Harry. How much money did Harry give Amy? [?]",
    "answer0": "670",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Catholic High 2022 P5 Semestral Assessment 2 Paper 2 Q8",
    "fix_types": [
      "missing_input_blank",
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The usual price of an oven was \\$170 and the usual price of a toaster was \\$50. During a sale, all items were sold at 30% discount.<br>(a) Mrs Lim bought an oven at the sale. How much was the discount?<br>(b) Mr Ravi bought a toaster during the sale. How much did he pay for the toaster? [?] [?]",
    "answer0": "51",
    "answer1": "35",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Inserted 2 [?] to match 2 non-empty answer(s). Escaped 2 currency $ as \\$."
  },
  {
    "source": "Catholic High 2022 P5 Semestral Assessment 2 Paper 2 Q12(a)",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Roy bought garlic bread, mashed potatoes and pizzas for a party. The ratio of the number of garlic bread to the number of mashed potatoes to the number of pizzas bought was 2 : 7 : 3. The cost of each garlic bread, mashed potato and pizza was \\$2.50, \\$3 and \\$10.50 respectively. He paid \\$690 for all the food items.<br>(a) What fraction of the food bought was mashed potatoes?",
    "answer0": "\\(\\dfrac{7}{12}\\)",
    "answer1": "\\(\\dfrac{7}{10}\\)",
    "answer2": "\\(\\dfrac{2}{12}\\)",
    "answer3": "\\(\\dfrac{3}{12}\\)",
    "correct_answer": 0,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Catholic High 2022 P5 Semestral Assessment 2 Paper 2 Q12(b)",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Roy bought garlic bread, mashed potatoes and pizzas for a party. The ratio of the number of garlic bread to the number of mashed potatoes to the number of pizzas bought was 2 : 7 : 3. The cost of each garlic bread, mashed potato and pizza was \\$2.50, \\$3 and \\$10.50 respectively. He paid \\$690 for all the food items.<br>How many pizzas did Roy buy? [?]",
    "answer0": "36",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Catholic High 2022 P5 Weighted Assessment 2 Q2",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "A board game costs \\$63. A toy costs \\$45 less than the board game. Find the ratio of the cost of the toy to the cost of the board game in the simplest form.",
    "answer0": "2 : 7",
    "answer1": "5 : 7",
    "answer2": "7 : 2",
    "answer3": "7 : 5",
    "correct_answer": 0,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Catholic High 2022 P5 Weighted Assessment 2 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Sam bought an oven, a pan and a toaster. The ratio of the cost of the oven to the cost of the pan to the cost of the toaster is \\(5 : 1 : 2\\). He paid \\$384 for all three items. How much did he pay for the oven?<br>\\$[?]",
    "answer0": "240",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Catholic High 2022 P5 Weighted Assessment 3 Q4",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "The table shows the rental charges for a pair of roller skates.<br>First 2 hours: \\$16<br>After the second hour: \\$6 per \\(\\dfrac{1}{2}\\) hour or less<br>Max rented a pair of roller skates from 8.30 a.m. to 11.45 a.m. on the same day. How much did he pay?",
    "answer0": "$22",
    "answer1": "$28",
    "answer2": "$32",
    "answer3": "$34",
    "correct_answer": 3,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Catholic High 2022 P5 Weighted Assessment 3 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The total cost of a big sticker and a small sticker is \\$1.20. John paid \\$10.40 for 9 big stickers and 8 small stickers. Luke bought 9 small stickers. How much did Luke pay for 9 small stickers? [?]",
    "answer0": "3.60",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Catholic High 2024 P5 End-of-Year Exam Q31",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Tickets for a theme park were sold at 20% discount. The price of 4 tickets before discount was \\$196. What was the discount for one ticket? \\$[?]",
    "answer0": "9.80",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Catholic High 2024 P5 End-of-Year Exam Q35",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Ng bought Pens at \\$1.20 each (8 bought), Notepads at 90¢ each (14 bought) and Erasers at 55¢ each (18 bought). How much did he spend on all the stationery in total? \\$[?]",
    "answer0": "32.10",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Catholic High 2024 P5 End-of-Year Exam Q37",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "2 soccer balls cost as much as 3 volleyballs. Mr Lim bought 2 soccer balls and 4 volleyballs for \\$266. Find the total cost of 2 such soccer balls. \\$[?]",
    "answer0": "114",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Catholic High 2024 P5 End-of-Year Exam Q39",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The total amount of money that Alan, Betty and Kalen has is \\$34.20. The ratio of the amount of money Alan has to the amount of money Betty has is 2 : 3. Kalen has \\$10.60 less than Betty. How much money does Kalen have? \\$[?]",
    "answer0": "6.20",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Catholic High 2024 P5 End-of-Year Exam Q47",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "At a charity bake sale, \\(\\dfrac{3}{10}\\) of the people bought 2 muffins, \\(\\dfrac{11}{20}\\) bought 5 muffins and the rest (\\(\\dfrac{3}{20}\\)) bought 7 muffins. The number of people who bought 2 muffins were 147 more than those who bought 7 muffins. Each muffin was sold at \\$1.50. How much money was collected from the people who only bought 2 muffins? \\$[?]",
    "answer0": "882",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Catholic High 2024 P5 End-of-Year Exam Q48",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Ali received \\$500 as a prize. He gave \\$225 to his parents. He saved \\$123 and used the remaining amount of prize money to pay for a total of 24 cupcakes and tarts. What percentage of the prize money did Ali give to his parents? [?]%",
    "answer0": "45",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Catholic High 2024 P5 End-of-Year Exam Q49",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Ali received \\$500 as a prize. He gave \\$225 to his parents and saved \\$123. He used the remaining money to pay for a total of 24 cupcakes and tarts. Cupcakes were sold at \\$5 each and tarts were sold at \\$7 each. How many tarts did Ali buy? [?]",
    "answer0": "16",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "Catholic High 2024 P5 End-of-Year Exam Q50",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A company ordered an equal number of large tubs and small tubs of ice-cream. 1 large tub costs \\$5; 3 small tubs cost \\$8. They paid a total of \\$112 more for the large tubs of ice-cream. How many tubs of ice-cream did the company order altogether? [?]",
    "answer0": "96",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Catholic High 2024 P5 End-of-Year Exam Q51",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A company ordered an equal number of large tubs and small tubs of ice-cream. 1 large tub costs \\$5; 3 small tubs cost \\$8. They paid \\$112 more for the large tubs. The company ordered 48 large tubs and 48 small tubs. How much did the company pay for all the small tubs of ice-cream? \\$[?]",
    "answer0": "128",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Catholic High 2024 P5 Weighted Assessment 1 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Amy, Ben and Zoe had \\$2100 altogether. Ben had \\$45 less than Amy. The amount of money Zoe had was thrice the total amount of money Amy and Ben had.<br>(a) How much money did Ben have? [?]<br>(b) Zoe gave Amy some of her money so that both of them have equal amount of money. How much money did Zoe have in the end? [?]",
    "answer0": "240",
    "answer1": "930",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Catholic High 2024 P5 Weighted Assessment 3 Q4",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "The table shows the bulk post charges between two countries.<br>Mass Step Not Over 3 kg: \\$14<br>Mass Step Not Over 5 kg: \\$26<br>Per additional step of 1 kg or part thereof: \\$8<br>What is the bulk post charge for sending a package that weighs 7.3 kg?",
    "answer0": "$34",
    "answer1": "$40",
    "answer2": "$50",
    "answer3": "$64",
    "correct_answer": 2,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Catholic High 2024 P5 Weighted Assessment 3 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Carol bought a dress which included a GST of 9%. The price of the dress before GST was \\$70. How much did Carol pay for the dress?<br>Ans: \\$[?]",
    "answer0": "76.30",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Catholic High 2024 P5 Weighted Assessment 3 Q7",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Lee had \\$4500 in his bank account. The bank paid 3% interest at the end of each year. How much interest did he earn at the end of 1 year?<br>Ans: \\$[?]",
    "answer0": "135",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Catholic High 2024 P5 Weighted Assessment 3 Q9",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The usual price of a dining table was \\$950. During a sale, all items were sold at 20% discount. What was the price of the dining table after the discount?<br>Ans: \\$[?]",
    "answer0": "760",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Catholic High 2024 P5 Weighted Assessment 3 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The total cost of a bag, a watch and a jacket was \\$332.10. The watch cost \\$13.60 less than the jacket. The watch cost thrice as much as a bag. What was the cost of the jacket?<br>Ans: \\$[?]",
    "answer0": "150.10",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "CHIJ 2022 P5 Semestral Assessment 2 Q26",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A restaurant is having a promotion. The regular price for each dinner set is \\$30. For every 9 dinner sets purchased, the tenth dinner set will be free. How much does it cost to purchase 52 such dinner sets? Ans: \\$[?]",
    "answer0": "1410",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "CHIJ 2022 P5 Semestral Assessment 2 Q28",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The usual price of a cabinet was \\$200. During a sale, there was a 16% discount on the cabinet. As a member, Tosh was given an additional discount of \\$2.80. How much did Tosh save altogether? Ans: \\$[?]",
    "answer0": "34.80",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "CHIJ 2022 P5 Semestral Assessment 2 Q30",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Devi and Annabel had \\$98 each. Annabel bought some similar notebooks and had \\$17 left. Devi wanted to buy 40 such notebooks but would need another \\$22. How many notebooks did Annabel buy? [?]",
    "answer0": "27",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "CHIJ 2022 P5 Semestral Assessment 2 Q32",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Aaron bought a bicycle which included a GST of 7%. The price of the bicycle before GST was \\$250. How much did he pay for the bicycle? Ans: \\$[?]",
    "answer0": "267.50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "CHIJ 2022 P5 Semestral Assessment 2 Q38",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the rate for printing postcards at a shop. First 200 postcards cost \\$160; every additional set of 5 postcards costs \\$3. Lynette printed 700 postcards. How much did she pay? Ans: \\$[?]",
    "answer0": "460",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "CHIJ 2022 P5 Semestral Assessment 2 Q42",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Abdullah baked 276 cream tarts and 3 times as many fruit tarts as cream tarts. He gave away an equal number of cream tarts and fruit tarts. Then he had 4 times as many fruit tarts as cream tarts left. He sold all the rest of the cream tarts and fruit tarts at \\$1.80 each. How much money did Abdullah collect after selling the tarts? Ans: \\$[?]",
    "answer0": "1656",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "CHIJ 2022 P5 Weighted Assessment 2 Q1",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A shop sells pens. One pen costs \\$2 and 1 packet of 4 pens costs \\$5. Benny wants to buy 101 pens. What is the least amount of money Benny needs to buy the 101 pens? Ans: \\$[?]",
    "answer0": "127",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "CHIJ 2022 P5 Weighted Assessment 2 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Rahim spent \\(\\dfrac{2}{5}\\) of his money on 3 similar shirts and 5 similar dresses. A dress cost twice as much as a shirt. He spent \\(\\dfrac{1}{6}\\) of his remaining money on a bag and had \\$175.50 left.<br>(a) How much money did the bag cost? Ans: \\$[?]<br>(b) How much more money did the bag cost than one shirt? Ans: \\$[?]",
    "answer0": "35.10",
    "answer1": "24.30",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "CHIJ 2022 P5 Weighted Assessment 2 Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "At first, Wonderlicious Bakery baked a total of 370 cupcakes, tarts and muffins. Half of its tarts and some muffins were sold. Then, 30 more cupcakes were baked. There was an equal number of cupcakes, tarts and muffins at the end. A total amount of \\$108 was collected from the sale of tarts. Each cupcake costs \\$2, each tart costs \\$1.50 and each muffin costs \\$4.<br>(a) How many tarts did Wonderlicious Bakery sell? Ans: [?]<br>(b) How much money was collected from the sale of muffins? Ans: \\$[?]",
    "answer0": "72",
    "answer1": "448",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "CHIJ 2022 P5 Weighted Assessment 3 Q21",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Best Buy Stationery Shop sells the following: a Ruler at \\$1.05 each, a Pencil at 90¢ each and an Eraser at 55¢ each. Mrs Munah bought 3 rulers, 2 pencils and 1 eraser. How much money did she spend altogether? \\$[?]",
    "answer0": "5.50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "CHIJ 2022 P5 Weighted Assessment 3 Q23",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "At first, Stacy spent \\(\\dfrac{3}{10}\\) of her money on food and \\$135 on a bag. She was left with \\(\\dfrac{1}{4}\\) of her money. How much did Stacy have at first? \\$[?]",
    "answer0": "300",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "CHIJ 2022 P5 Weighted Assessment 3 Q26",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A bank paid 1% interest at the end of each year. Mr Ong had \\$3000 at the start of the year in his account. He did not withdraw any of his money. How much money did he have in his account at the end of the year? \\$[?]",
    "answer0": "3030",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "CHIJ 2022 P5 Weighted Assessment 3 Q27",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Beth saves \\$7 every week. She wants to buy a toy doll with a usual price of \\$80 at a 10% discount. What is the least number of weeks she needs to save before she is able to buy the toy doll? [?]",
    "answer0": "11",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "CHIJ 2022 P5 Weighted Assessment 3 Q30",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "1 storybook and 2 similar water bottles cost \\$90. 2 similar storybooks cost as much as 5 similar water bottles. How much does 1 water bottle cost? \\$[?]",
    "answer0": "20",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Henry Park 2023 P5 End-of-Year Exam Q18",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Find the value of \\$7.2 \\div 3\\$ [?]",
    "answer0": "2.4",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Henry Park 2023 P5 End-of-Year Exam Q35",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Fred and Gary had \\$952 altogether. Gary and Henry had \\$730 altogether. Fred and Henry had \\$638 altogether. How much money did Henry have? [?]",
    "answer0": "208",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Henry Park 2023 P5 End-of-Year Exam Q38",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Ms Loh boarded a taxi at the airport and headed to a hotel 16 km 300 m away. The taxi charges are: first kilometre or less \\$4.20; every 400 m thereafter or less \\$0.27; airport surcharge \\$3.50. How much was her taxi fare? [?]",
    "answer0": "18.23",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Henry Park 2023 P5 End-of-Year Exam Q41",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The graph shows the sale of concert tickets for 6 days. \\(\\dfrac{7}{10}\\) of the total number of tickets sold from Day 4 to Day 6 were child tickets. The rest were adult tickets. Adult tickets cost \\$45 each and child tickets cost \\$20 each. How much money was collected from the sales of tickets from Day 4 to Day 6? [?]",
    "answer0": "19250",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Henry Park 2023 P5 End-of-Year Exam Q43",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Michael has 5 times as much money as Ravi. They have \\$4560 altogether. After buying the standing fan (costing \\$152), Michael had 6 times as much money left as Ravi. Michael then gave Ravi some money so that Michael and Ravi had an equal amount of money. How much money did Michael give to Ravi? [?]",
    "answer0": "1520",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Henry Park 2023 P5 End-of-Year Exam Q45",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Ali earns a fixed monthly salary. He spent \\(\\dfrac{1}{3}\\) of his salary on a table and \\(\\dfrac{5}{6}\\) of his remaining salary on a television. After buying the table and television, Ali had \\$360 left. Then he spent \\$336 to buy a total of 20 plates and bowls. Each bowl cost \\$27 while each plate cost \\$10. What fraction of Ali's salary was spent on the plates?",
    "answer0": "\\(\\dfrac{1}{27}\\)",
    "answer1": "\\(\\dfrac{1}{18}\\)",
    "answer2": "\\(\\dfrac{1}{9}\\)",
    "answer3": "\\(\\dfrac{2}{27}\\)",
    "correct_answer": 0,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Henry Park 2023 P5 End-of-Year Exam Q46",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Tan sold chairs at a furniture sale event. For every chair sold, he would earn \\$3. For every 25 chairs sold, he would earn an additional \\$10. Given that Mr Tan earned \\$364 from selling the chairs, how many chairs did he sell? [?]",
    "answer0": "108",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Henry Park 2023 P5 End-of-Year Exam Q51",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Class 5K and Class 5L made some large and small keychains to raise funds for charity. Each large keychain cost 4 times as much as each small keychain. Each large keychain cost \\$14.80. Class 5K sold an equal number of small and large keychains. They collected \\$629 from the sale of all the keychains. How many large keychains did Class 5K sell? [?]",
    "answer0": "34",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Henry Park 2023 P5 End-of-Year Exam Q52",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Each large keychain cost \\$14.80 and each small keychain cost \\$3.70. Class 5L collected \\$529.10 from selling small and large keychains. The class sold 18 more small keychains than large keychains. How many small keychains did Class 5L sell? [?]",
    "answer0": "43",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Henry Park 2023 P5 Weighted Assessment 1 Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Gwen spent \\(\\dfrac{5}{8}\\) of her money and had \\$48 left. How much money did she have at first? \\$[?]",
    "answer0": "128",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Henry Park 2023 P5 Weighted Assessment 1 Q18",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "In a shop, oranges are sold at 5 oranges for \\$7. Susan bought 30 oranges with all her money. To buy 20 papayas with the same amount of money, she will be short of \\$18. Given that the cost of each papaya is the same, how much does each papaya cost? \\$[?]",
    "answer0": "3",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Henry Park 2023 P5 Weighted Assessment 2 Q5",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Aisha spent \\(\\dfrac{1}{3}\\) of her money on a gift. She spent \\(\\dfrac{1}{6}\\) of her remaining money on clothes and had \\$340.25 left. How much money did she have at first? \\$[?]",
    "answer0": "612.45",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Henry Park 2023 P5 Weighted Assessment 2 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The usual price of a printer is \\$489, excluding GST. Mr Tan bought the printer at a discount of 25%. He had to pay 8% GST on the discounted price. How much did he pay for the printer? \\$[?]",
    "answer0": "396.09",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Henry Park 2023 P5 Weighted Assessment 2 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Lynn baked some vanilla and banana muffins for sale in the ratio of 7 : 10. She collected a total of \\$1647 from the sale of 102 vanilla muffins and 40% of the banana muffins. Given that all the muffins were sold at \\$4.50 each, how many vanilla muffins did she have left in the end? [?]",
    "answer0": "360",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Henry Park 2024 P5 End-of-Year Exam Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Andy received \\$500. He gave \\$70 to his mother. What percentage of the money did Andy give to his mother?",
    "answer0": "14%",
    "answer1": "30%",
    "answer2": "70%",
    "answer3": "86%",
    "correct_answer": 0,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Henry Park 2024 P5 End-of-Year Exam Paper 2 Q7",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The usual price of a tour package to Korea was \\$2380. During a promotion, Mrs Lee bought the tour package at a discount of 15%. In addition, she had to pay a 9% GST on the discounted price. How much did she pay for the tour package?<br>Ans: \\$[?]",
    "answer0": "2205.07",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Henry Park 2024 P5 End-of-Year Exam Paper 2 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Money was collected from 30 students and 1 form teacher for a class party. \\$15 was collected from each student while \\$75 was collected from the form teacher. \\(\\dfrac{3}{7}\\) of the total amount collected was spent on buying food items. \\(\\dfrac{1}{12}\\) of the remainder was spent on chocolates. After spending some money on drinks, there was \\$98 left.<br>(a) What was the total amount of money collected? Ans: \\$[?]<br>(b) How much money was spent on drinks? Ans: \\$[?]",
    "answer0": "525",
    "answer1": "177",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "Henry Park 2024 P5 End-of-Year Exam Paper 2 Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The ratio of the number of boys to the number of girls at an amusement park was 5 : 7. After 60 boys entered the amusement park, there were equal numbers of boys and girls.<br>(a) How many boys were there in the amusement park at first? [?]<br>(b) In October, after a discount of 25%, the entrance ticket to the amusement park was \\$54. A further discount of \\$4.50 was given to a child who was born in October. What is the total percentage discount given to a child who was born in October? Ans: [?]%",
    "answer0": "150",
    "answer1": "31.25",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Henry Park 2024 P5 Weighted Assessment 1 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mei Ling and Qi Fang shared the cost of a camera in the ratio of 7 : 2. Qi Fang paid \\$40 less than Mei Ling. What was the cost of the camera?<br>\\$[?]",
    "answer0": "72",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Henry Park 2024 P5 Weighted Assessment 1 Q18",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Peter used \\(\\dfrac{2}{5}\\) of his salary on a TV. He spent \\(\\dfrac{1}{6}\\) of the remaining money on a table and \\$350 on some chairs. He was then left with \\(\\dfrac{1}{4}\\) of his salary. What was his salary?<br>\\$[?]",
    "answer0": "1400",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Henry Park 2024 P5 Weighted Assessment 2 Q4",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "After John spent \\(\\dfrac{1}{3}\\) of his savings on a laptop and a tablet, he had \\$5460 left. Given that the laptop cost 4 times as much as the tablet, find the cost of the laptop. \\$[?]",
    "answer0": "2184",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Henry Park 2024 P5 Weighted Assessment 2 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the cost of red and blue coloured shirts. Red shirts cost \\$10 each and blue shirts cost \\$8 each. Mr Lim bought red and blue shirts in the ratio 7 : 4. He paid \\$306 for all the shirts. How many red shirts did he buy? [?]",
    "answer0": "21",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Henry Park 2025 P5 End-of-Year Exam Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Timmy received \\$300 as a prize. He gave \\$60 to his parents. What percentage of the prize money did Timmy give to his parents?",
    "answer0": "20%",
    "answer1": "40%",
    "answer2": "60%",
    "answer3": "80%",
    "correct_answer": 0,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Henry Park 2025 P5 End-of-Year Exam Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "The postal charges for sending mails to a country are: up to 20 g \\$0.75; up to 50 g \\$1.20; up to 100 g \\$1.95; up to 250 g \\$4. Ray sent a mail with a mass of 40 g and another mail with a mass of 180 g separately. How much did he pay for the postage?",
    "answer0": "$4",
    "answer1": "$5.20",
    "answer2": "$5.50",
    "answer3": "$5.85",
    "correct_answer": 1,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Henry Park 2025 P5 End-of-Year Exam Q25",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Minah deposited \\$3200 in a bank account. The bank offers an interest rate of 2% per year. How much would Minah have in her bank account at the end of one year? Ans: \\$ [?]",
    "answer0": "3264",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Henry Park 2025 P5 End-of-Year Exam P2 Q1",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 0,
    "question": "Two different shops sell the same brand and model of a handbag at a discount. Shop A usual price \\$480, 25% discount. Shop B usual price \\$440, 10% discount. Which shop should Mrs Lim buy the handbag from, Shop A or Shop B? How much would she pay for the handbag from that shop?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Henry Park 2025 P5 End-of-Year Exam P2 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mei Ling baked 1200 cookies and muffins for a charity sale. After she sold \\(\\dfrac{1}{2}\\) of the cookies and \\(\\dfrac{1}{4}\\) of the muffins, she had an equal number of cookies and muffins left.<br>(a) How many cookies did she sell? Ans: [?]<br>(b) Each cookie costs \\$2.10 and each muffin costs \\$3.50. How much did Mei Ling raise for the charity sale? Ans: \\$ [?]",
    "answer0": "360",
    "answer1": "1176",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Henry Park 2025 P5 End-of-Year Exam P2 Q9",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the prices of shirts at a shop. First 7 shirts or fewer: \\$12.90 each. Every additional shirt: \\$9.90 each. Mr Chen paid \\$149.70 for some shirts. How many shirts did he buy? Ans: [?]",
    "answer0": "13",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Henry Park 2025 P5 End-of-Year Exam P2 Q13",
    "fix_types": [
      "plain_text_fraction"
    ],
    "type_id": 2,
    "question": "Mei Ling used identical 2-cm squares to form figures that follow a pattern (Figure 1: 1 square / perimeter 8 cm; Figure 2: \\(\\dfrac{3}{16}\\); Figure 3: \\(\\dfrac{6}{24}\\); Figure 4: \\(\\dfrac{10}{32}\\)).<br>(b) Find the perimeter of Figure 20. Ans: [?] cm<br>(c) In which figure would 465 squares be used? Ans: Figure [?]",
    "answer0": "160",
    "answer1": "30",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Plain-text fraction(s) wrapped as \\(\\dfrac{}{}\\)."
  },
  {
    "source": "Henry Park 2025 P5 End-of-Year Exam P2 Q14",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Susan puts 2 coins into her coin box every day. Each coin was either a 20-cent coin or a 50-cent coin. Every 5 days, her father added a \\$1 coin to her coin box. After 210 days, the total value of the coins in the coin box was \\$225.<br>(a) How many coins were there altogether? Ans: [?]<br>(b) How many of her coins were 50-cent coins? Ans: [?]",
    "answer0": "462",
    "answer1": "330",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Henry Park 2025 P5 Weighted Assessment 1 Q14",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows museum admission prices: Adult \\$15, Child \\$7, Package A (1 adult and 1 child) \\$20, Package B (2 adults and 1 child) \\$35. Mr Liew bought tickets for 4 adults and 3 children. What was the least amount that he could have paid?<br>\\$[?]",
    "answer0": "75",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "Henry Park 2025 P5 Weighted Assessment 2 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the rates for renting roller blades: 1st hour costs \\$10.00; every subsequent \\(\\dfrac{1}{2}\\) hour or part thereof costs \\$6.50. Tim rented a pair of roller blades for \\(3\\dfrac{3}{4}\\) hours. How much did he pay in total? [?]",
    "answer0": "49",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Henry Park 2025 P5 Weighted Assessment 2 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Imaan had a sum of money. He spent \\(\\dfrac{3}{7}\\) of it on a watch and \\(\\dfrac{1}{5}\\) of the remaining money on shoes. He then gave \\$175 to his sister and had \\$305 left.<br>(a) How much did Imaan spend on the shoes? [?]<br>(b) How much money did Imaan have at first? [?]",
    "answer0": "120",
    "answer1": "1050",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2022 P5 Semestral Assessment 2 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "The table shows how much a shop charges for caps.<br>First 10 caps: \\$9 each<br>Every additional cap: \\$8 each<br>Caylee bought 11 caps. How much did she pay?",
    "answer0": "$88",
    "answer1": "$90",
    "answer2": "$98",
    "answer3": "$99",
    "correct_answer": 2,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2022 P5 Semestral Assessment 2 Q19",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the local postage rates for sending packages within Singapore.<br>Mass step not over 30 g: \\$0.60<br>Mass step not over 80 g: \\$0.90<br>Mass step not over 200 g: \\$1.30<br>Mass step not over 300 g: \\$1.50<br>Emily sent two packages. One has a mass of 35 g and the other has a mass of 220 g. How much postage did Emily pay altogether? \\$[?]",
    "answer0": "2.40",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2022 P5 Semestral Assessment 2 Q23",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mrs Tan bought apples from the supermarket. 5 apples for \\$3.45. How much would she pay for 30 apples? \\$[?]",
    "answer0": "20.70",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2022 P5 Semestral Assessment 2 P2 Q3",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Siti bought 3 chicken wings and 2 curry puff at \\$9.90. Judy bought 1 chicken wing and 1 curry puff at \\$3.90. What is the price of 1 chicken wing? \\$[?]",
    "answer0": "2.10",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2022 P5 Semestral Assessment 2 P2 Q5",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the wages of a part-time waiter in a cafeteria.<br>First 8 hours — Weekday: \\$11 per hour; Weekend: \\$16 per hour<br>Subsequent hours — Weekday: \\$18 per hour; Weekend: \\$24 per hour<br>David worked for 10 hours on a Friday and 7 hours on a Saturday. How much did he earn? \\$[?]",
    "answer0": "236",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2022 P5 Semestral Assessment 2 P2 Q9",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Tan spent \\$55 on a pair of shoes and 80% of his remaining money on a watch. He had \\$48 left. How much money did he have at first? \\$[?]",
    "answer0": "295",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2022 P5 Semestral Assessment 2 P2 Q13a",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Travis received \\$200 pocket money every month. The graph shows the amount of money he spent from January to May. What is the total amount of money Travis spent from January to May? \\$[?]",
    "answer0": "550",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2022 P5 Semestral Assessment 2 P2 Q13b",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Travis received \\$200 pocket money every month. Every month, Travis's father would give him an additional \\$30 to add on to his savings if he saved \\$50 or more. How much would Travis save in total for the 5 months? \\$[?]",
    "answer0": "400",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2022 P5 Semestral Assessment 2 P2 Q17b",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mangoes and oranges are sold for \\$3.50 each. Each peach cost twice as much as each mango. How much money was collected from the sale of the fruits? \\$[?]",
    "answer0": "1421",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2022 P5 Weighted Assessment 1 Q14",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "What is the missing number in the box?<br>\\$32 : 16 = \\$ [?] $ : 25$",
    "answer0": "50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$. WARNING: 2 unescaped $ remain (likely $...$ math delimiters); left untouched - verify."
  },
  {
    "source": "Maha Bodhi 2022 P5 Weighted Assessment 2 Q16",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Tan is at a bookshop. He wants to buy pens that cost \\$2 each. For every 3 pens bought, he gets 1 pen free. Mr Tan would like to buy a pen for each of his 41 pupils. What is the least amount of money Mr Tan has to pay for all the pens? \\$[?]",
    "answer0": "62",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2022 P5 Weighted Assessment 2 Q17",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Raju paid \\$180 for a calculator, an e-dictionary and 10 files. The 10 files cost half as much as the calculator. The e-dictionary costs 3 times as much as the 10 files. How much did each file cost? \\$[?]",
    "answer0": "3",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2022 P5 Weighted Assessment 2 Q18",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Anna had some \\$2 and \\$5 notes in the ratio of 3 : 1. The total value of the notes is \\$99. How many pieces of \\$5 notes did Anna have? [?]",
    "answer0": "9",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2023 P5 End-of-Year Exam Q33",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "One packet of 4 pens was sold at \\$7.95. A stationery shop was having a promotion. For every 2 packets of pens bought, Simon received a discount of \\$1.50. He bought 28 pens in total. How much did he spend? \\$[?]",
    "answer0": "51.15",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2023 P5 End-of-Year Exam Q35",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the charges for water usage in Singapore: First 40 m³ at \\$1.21 per m³; above 40 m³ at \\$1.52 per m³. Mrs Tan's family used 43 m³ of water in October. How much did Mrs Tan have to pay? \\$[?]",
    "answer0": "52.96",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2023 P5 End-of-Year Exam Q38",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Chan had a sum of money at first. He gave \\(\\dfrac{2}{5}\\) of it to his wife. He gave \\(\\dfrac{3}{4}\\) of the remainder to his two children. Each child received the same amount of money. Mr Chan saved the rest of his money. He saved \\$378. How much did Mr Chan give to each of his children? \\$[?]",
    "answer0": "567",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2023 P5 End-of-Year Exam Q39",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A sofa cost \\$1850. Bala bought the sofa during a sale and a discount of 25% was given.<br>(a) What was the discounted price? \\$[?]<br>(b) Bala was charged 8% GST on the discounted price. How much did he pay for the sofa including GST? \\$[?]",
    "answer0": "1387.50",
    "answer1": "1498.50",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2023 P5 End-of-Year Exam Q40",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "At a carnival, a child ticket is \\$10 and an adult ticket is \\$25. The number of children was thrice the number of women. The number of women was twice the number of men. There were 210 children at the carnival. How much more was collected from the sale of adult tickets compared to child tickets? \\$[?]",
    "answer0": "525",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2023 P5 Weighted Assessment 1 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Oranges are sold in bags of 9. Each bag of oranges costs \\$8. Mrs Lim has \\$114. How many oranges can she buy at most?",
    "answer0": "96",
    "answer1": "104",
    "answer2": "126",
    "answer3": "135",
    "correct_answer": 2,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2023 P5 Weighted Assessment 2 Q7",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "3 notebooks and 7 pens cost \\$28.90. 5 notebooks and 2 pens cost \\$18.20. What is the cost of 1 pen? [?]",
    "answer0": "3.10",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2023 P5 Weighted Assessment 2 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Miss Lim spent \\$786 to buy a total of 60 M-size and L-size skirts. One M-size skirt cost \\$12 and one L-size skirt cost \\$15. How many M-size skirts did she buy? [?]",
    "answer0": "38",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2024 P5 End-of-Year Exam Q22",
    "fix_types": [
      "plain_text_fraction"
    ],
    "type_id": 1,
    "question": "The table shows the lowest and highest temperatures (°C) of cities W, X, Y and Z: W \\(\\dfrac{9}{16}\\), X \\(\\dfrac{15}{32}\\), Y \\(\\dfrac{18}{33}\\), Z \\(\\dfrac{4}{24}\\).<br>(a) When Albert was at some of these cities, the temperature was 10°C. Name the cities.<br>(b) Name the city with the smallest difference in temperatures, and find its difference.",
    "answer0": "(a) W and Z; (b) W, 7°C",
    "answer1": "(a) X and Y; (b) Z, 20°C",
    "answer2": "(a) W and Y; (b) X, 17°C",
    "answer3": "(a) Y and Z; (b) Y, 15°C",
    "correct_answer": 0,
    "note": "Plain-text fraction(s) wrapped as \\(\\dfrac{}{}\\)."
  },
  {
    "source": "Maha Bodhi 2024 P5 End-of-Year Exam Q30",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the parking charges in a mall: Weekdays (Mon–Fri) 12 a.m.–5 p.m.: \\$3.30 for the first 2 hours, \\$0.80 per 30 minutes or part thereof; Weekdays 5 p.m.–12 a.m.: \\$2.25 per entry; Weekends: \\$2.25 for the first 2 hours, \\$1.20 per hour or part thereof. Mrs Chan paid \\$5.70 for her parking fees on a weekday morning. What was the longest possible duration she had parked in the mall? [?] h",
    "answer0": "3.5",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 6 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2024 P5 End-of-Year Exam P2 Q5",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the overseas postage rate to Malaysia and Brunei: up to 20 g \\$0.80; up to 50 g \\$1.00; up to 100 g \\$1.50; for every additional 100 g or part thereof \\$1.20. Mrs Chan sent a set of cards weighing 260 g to her friend in Malaysia. How much did she pay for sending the cards? [?]",
    "answer0": "3.90",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2024 P5 End-of-Year Exam P2 Q9",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Sunil's salary was \\$4250. He donated part of it to Charity A and Charity B in the ratio of 4 : 1. The amount he donated to Charity A was \\$340.<br>(a) How much did he donate to both charities? [?]<br>(b) Find the percentage of Mr Sunil's salary that was donated to both charities. [?]",
    "answer0": "425",
    "answer1": "10",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2024 P5 End-of-Year Exam P2 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the prices of tickets for a concert: Adult \\$23, Child \\$15. The number of adult tickets sold was 6 times as many as the number of child tickets sold. A total of \\$20 196 was collected from the sale of tickets. How much was collected from the sale of the adult tickets? [?]",
    "answer0": "18216",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2024 P5 End-of-Year Exam P2 Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Miss Lim bought some identical notebooks from the bookshop. For every 4 notebooks bought, she received the 5th notebook free. Each notebook cost \\$2.45. She gave the cashier \\$65 and received a change of \\$3.75. How many notebooks did Miss Lim get from the bookshop altogether? [?]",
    "answer0": "31",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2024 P5 End-of-Year Exam P2 Q17",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Aini saves \\(\\dfrac{6}{11}\\) of her salary every month. In December, she saved \\$50 more than what she usually saves. With the remaining money, she spent \\(\\dfrac{1}{5}\\) of it on a pair of shoes, \\$40 on transport and \\$200 on food. How much did she save in December? [?]",
    "answer0": "470",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2024 P5 Weighted Assessment 2 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Nancy bought some pens at \\$1.85 each and some correction tapes at \\$3.50 each. She bought 16 more pens than correction tapes and spent a total of \\$147.30. How many correction tapes did she buy? [?]",
    "answer0": "22",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2024 P5 Weighted Assessment 2 Q7",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Daniel spent \\$1825 of his salary on rent and \\$1150 on some new furniture. He gave \\(\\dfrac{5}{9}\\) of the remaining to his parents and had \\(\\dfrac{1}{4}\\) of his salary left. How much was Daniel's salary? [?]",
    "answer0": "6800",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2025 P5 End-of-Year Exam Q29",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The parking charges at a car park are: First hour \\$2.20; every additional \\(\\dfrac{1}{2}\\) hour or part thereof \\$1.30. Mr Tan entered the car park at 8.00 am and left the car park at 10.15 am. How much did he have to pay? Ans: \\$ [?]",
    "answer0": "6.10",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2025 P5 End-of-Year Exam P2 Q2",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Belinda bought 3 identical books and 4 identical pens for \\$43.70. The total cost of a book and a pen is \\$13.80. How much does each pen cost? Ans: \\$ [?]",
    "answer0": "2.30",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2025 P5 End-of-Year Exam P2 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Jane had enough money to buy either 8 identical bags or 12 identical dresses. Each bag cost \\$15.30 more than each dress. How much money did Jane have? Ans: \\$ [?]",
    "answer0": "367.20",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2025 P5 End-of-Year Exam P2 Q7",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The pie chart shows the amount of money raised by the students in a donation drive (P4 \\(\\dfrac{1}{10}\\), P2 \\(\\dfrac{1}{5}\\), P1 \\$3268, P3, P5, P6). The students in P1 raised the same amount of money as the students in P4. How much did the students in all 6 levels raise? Ans: \\$ [?]",
    "answer0": "32680",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2025 P5 End-of-Year Exam P2 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The usual price of a water bottle at Shop A and Shop B was \\$20. Shop A: 20% off all bottles. Shop B: buy 2 bottles, get the 3rd at 50% off. Jimmy buys 8 water bottles from the cheaper shop. How much more would he save as compared to the other shop? Ans: \\$ [?]",
    "answer0": "12",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2025 P5 End-of-Year Exam P2 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Helen saves \\$0.80 every day. Mary saves \\$1.10 every day. Mary started saving 12 days after Helen had started saving. How many days would it take for Mary to save \\$3 more than Helen? Ans: [?]",
    "answer0": "42",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2025 P5 End-of-Year Exam P2 Q14",
    "fix_types": [
      "plain_text_fraction"
    ],
    "type_id": 2,
    "question": "Study the pattern of grey and white arrows. The table shows the first figures (Figure 1: 2 grey / 3 white; Figure 2: \\(\\dfrac{4}{5}\\); Figure 3: \\(\\dfrac{6}{7}\\); Figure 4: \\(\\dfrac{8}{9}\\)). (b) What is the total number of grey and white arrows in Figure 10? Ans: [?]",
    "answer0": "41",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Plain-text fraction(s) wrapped as \\(\\dfrac{}{}\\)."
  },
  {
    "source": "Maha Bodhi 2025 P5 Weighted Assessment 1 Q17",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Madam Siti has some money. If she buys 12 plates, she will be short of \\$45. If she buys 9 plates, she will have \\$15 left. How much money does she have?<br>Ans: \\$[?]",
    "answer0": "195",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2025 P5 Weighted Assessment 2 Q3",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the cost of sending a parcel to Town A: First 300 g costs \\$2; every additional 50 g or part thereof costs \\$0.35. How much does it cost to send a parcel that has a mass of 480 g? [?]",
    "answer0": "3.40",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Maha Bodhi 2025 P5 Weighted Assessment 2 Q9",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Linda bought 12 melons and 4 pears from a fruit stall. Brenda bought 4 melons and 12 pears from the same stall. Brenda paid \\$28.80 less than Linda. Each pear cost \\$1.80. How much did a melon cost? [?]",
    "answer0": "5.40",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "MGS 2022 P5 Semestral Assessment 2 Q32",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "For every \\$4 that Jimmy saved, his father gave him another \\$2.50. How much would Jimmy's father have given him when he had a total of \\$157? \\$[?]",
    "answer0": "60",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "MGS 2022 P5 Semestral Assessment 2 Q37",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Danny had a sum of money. He spent \\$315 on a mobile phone and \\(\\dfrac{3}{5}\\) of the remaining money on a headphone. He then had \\(\\dfrac{1}{10}\\) of the sum of money left. How much money did Danny have at first? \\$[?]",
    "answer0": "420",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "MGS 2022 P5 Semestral Assessment 2 Q40",
    "fix_types": [
      "missing_input_blank"
    ],
    "type_id": 2,
    "question": "ABC is an equilateral triangle. ∠ABD = 20° and ∠ACD = 41°. BOD is a straight line.<br>(a) Find ∠BDC.<br>(b) Find ∠AOD. [?] [?]",
    "answer0": "39",
    "answer1": "80",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Inserted 2 [?] to match 2 non-empty answer(s)."
  },
  {
    "source": "MGS 2022 P5 Semestral Assessment 2 Q42",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the cost of cable car tickets.<br>Adult: Weekdays \\$28, Weekends & Public Holidays \\$32.<br>Child (12 years old and below): Weekdays \\$20, Weekends & Public Holidays \\$24.<br>(a) Mr Tan took a cable car ride with his wife and 2 children last Saturday. His children are 10 years old and 14 years old. How much did Mr Tan pay for the tickets altogether? \\$[?]<br>(b) \\$2520 was collected from the sale of 104 tickets on Tuesday. How many child tickets were sold on that Tuesday? [?]",
    "answer0": "120",
    "answer1": "49",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 6 currency $ as \\$."
  },
  {
    "source": "MGS 2022 P5 Semestral Assessment 2 Q45",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the favourite ice-cream flavours of some students.<br>Cookies and Cream 25%, Chocolate 40%, Vanilla 20%, Strawberry 15%.<br>CHILDREN'S DAY PROMOTION: 1 tub \\$12.50. Buy 5 tubs, get 1 tub free! (Price does not include 7% GST)<br>Ms Ong wants to buy 13 tubs of ice-cream for her class. Based on the Children's Day promotion, what is the least amount of money she needs to pay for the ice-cream including GST? Round your answer to the nearest dollar. \\$[?]",
    "answer0": "147",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "MGS 2024 P5 End-of-Year Exam Q7",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "James had \\$200. He spent \\$70 on a wallet.<br>What percentage of his money did he spend on the wallet?",
    "answer0": "30%",
    "answer1": "35%",
    "answer2": "65%",
    "answer3": "70%",
    "correct_answer": 1,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "MGS 2024 P5 End-of-Year Exam Q25",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The graph shows the fare a taxi company charges for the first 10 kilometres.<br>(a) How much is the taxi fare for the first kilometre? \\$[?]<br>(b) Alan paid \\$20 for his taxi ride. What was the distance he travelled? [?] km",
    "answer0": "4",
    "answer1": "8",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "MGS 2024 P5 End-of-Year Exam Q26",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the local postage rates in Singapore.<br>First 30 g: \\$0.30; Next 50 g: \\$0.50; Every additional 40 g or less: \\$0.60.<br>Mr Lim needs to send a parcel that weighs 138 g. How much does he need to pay? \\$[?]",
    "answer0": "2",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "MGS 2024 P5 End-of-Year Exam Q29",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Three friends shared the total cost of 48 apples in the ratio 5 : 2 : 1. The apples are sold at 12 apples for \\$10. What was the cost for the largest share? \\$[?]",
    "answer0": "25",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "MGS 2024 P5 End-of-Year Exam P2 Q1",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The usual price of a watch was \\$780. During a sale, it was sold at 20% discount. How much was the discount?<br>\\$[?]",
    "answer0": "156",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "MGS 2024 P5 End-of-Year Exam P2 Q5",
    "fix_types": [
      "plain_text_fraction"
    ],
    "type_id": 0,
    "question": "Mr and Mrs Soh had different amounts of money. Mr Soh gave \\(\\dfrac{1}{4}\\) of his money to Abel. Mrs Soh gave \\(\\dfrac{1}{2}\\) of her money to Betsy. For each statement, state whether it is True, False, or Not possible to tell. (a) Abel and Betsy received \\(\\dfrac{3}{4}\\) of the total amount of money Mr and Mrs Soh had. (b) Abel and Betsy received the same amount of money from Mr and Mrs Soh.",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Plain-text fraction(s) wrapped as \\(\\dfrac{}{}\\)."
  },
  {
    "source": "MGS 2024 P5 End-of-Year Exam P2 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Ali and Eva had the same amount of money at first. Later on, Ali received another \\$550 and Eva spent \\$260. Ali had 4 times as much money as Eva in the end. How much money did each of them have at first?<br>\\$[?]",
    "answer0": "530",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "MGS 2024 P5 End-of-Year Exam P2 Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The total cost of a dress and a skirt was \\$239. Mrs Chen wanted to buy the dress but she was short of \\$40. In the end, she bought the skirt and had \\$25 left. (a) How much more did the dress cost than the skirt? \\$[?]<br>(b) How much money did Mrs Chen have at first? \\$[?]",
    "answer0": "65",
    "answer1": "112",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "MGS 2024 P5 Weighted Assessment 2 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mrs Tan bought some notebooks and pencils for her students. The ratio of number of notebooks to the number of pencils that she bought was 2 : 3. Each notebook cost \\$1.20 and each pencil cost \\$0.75. Altogether, she paid \\$83.70. How many notebooks did she buy? [?]",
    "answer0": "36",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Methodist Girls 2024 P5 Weighted Assessment 3 Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the charges for taxi fare: First 1 km \\$4.00; Every additional 400 m or less \\$0.30; Every 45 seconds of waiting or less \\$0.30.<br>(a) Alan took a taxi from home to a mall. The taxi stopped once at a traffic light for 1 minute and travelled a total distance of 2.2 km to reach the mall. How much was his taxi fare? \\$[?]<br>(b) Karen paid \\$7 for her taxi fare. She did not stop at all for the whole journey. What is the furthest distance she travelled? [?] m",
    "answer0": "5.50",
    "answer1": "5000",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "Methodist Girls 2024 P5 Weighted Assessment 3 Q16",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The average amount of money that 6 boys had was \\$1 more than the average amount of money 4 girls had. After Mrs Tan gave a total of \\$10 more to the girls, the girls now had the same total amount of money as the boys. How much money did the 4 girls have altogether at first? \\$[?]",
    "answer0": "8",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Maris Stella 2023 P5 End-of-Year Exam Q21",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Eric saved \\$20 000 in a bank for one year. The bank paid 2% interest rate at the end of each year. How much did he earn as interest at the end of the year?<br>\\$[?]",
    "answer0": "400",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Maris Stella 2023 P5 End-of-Year Exam Q24",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "2 pencils and 4 notebooks cost \\$26. 4 pencils and 2 notebooks cost \\$22. Find the cost of 1 notebook.<br>\\$[?]",
    "answer0": "5",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Maris Stella 2023 P5 End-of-Year Exam Q26",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the charges for renting a bicycle at Pasir Ris Park.<br>First hour: \\$6<br>Every additional 30 min or less: \\$2.50<br>Adam rented a bicycle from 2.00 to 4.50 pm. How much did he pay for the rental?<br>\\$[?]",
    "answer0": "16",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Maris Stella 2023 P5 End-of-Year Exam P2 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Sheena was given \\$8 as pocket money each day. On Mondays to Fridays, she spent \\$5.60 every day and saved the rest. She did not spend any money on the weekends and saved her pocket money. Sheena started saving on Monday. How many days would it take for Sheena to save \\$35.20?<br>[?]",
    "answer0": "10",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Maris Stella 2023 P5 End-of-Year Exam P2 Q14",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A brochure shows a SALE in Shop A: 35% discount.<br>(a) Anita bought 2 of the same leather bags during the sale. The usual price of the leather bag was \\$450. Find the amount of discount she received for both bags. \\$[?]<br>(b) Meili bought a backpack at the sale. The usual price of the backpack was 40% of the usual price of the leather bag. What was the discounted price of the backpack? \\$[?]",
    "answer0": "315",
    "answer1": "117",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Maris Stella 2023 P5 End-of-Year Exam P2 Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Siti's mother gave her some money. Siti had just enough money to buy 68 files at the usual price. During a sale, Siti was given a discount of \\$3.40 for each file. As a result, she was able to buy 19 more files and had \\$3.20 left.<br>(a) What was the price of one file during the sale? \\$[?]<br>(b) How much did Siti's mother give her? \\$[?]",
    "answer0": "12",
    "answer1": "1047.20",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Maris Stella 2023 P5 Weighted Assessment 1 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Alice has some pieces of \\$10 and \\$50 notes. She has 6 more \\$10 notes than \\$50 notes. The total value of these notes is \\$660. How many \\$50 notes does Alice have? [?]",
    "answer0": "10",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 6 currency $ as \\$."
  },
  {
    "source": "Maris Stella 2023 P5 Weighted Assessment 2 Q5",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mitra had some \\$5 notes and \\$50 notes. He had as many \\$5 notes as \\$50 notes. The total value of the notes was \\$880. How many \\$50 notes did he have? [?]",
    "answer0": "16",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 6 currency $ as \\$."
  },
  {
    "source": "Maris Stella 2023 P5 Weighted Assessment 2 Q14",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Lilin had \\$12080 and Maia had \\$1760. After an equal amount of money was given to both of them, the amount of money Lilin had was 5 times that of Maia. How much money did each of them receive? [?]",
    "answer0": "820",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Maris Stella 2023 P5 Weighted Assessment 3 Q9",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "12 macaroons costs \\$59.80. How much will 36 such macaroons cost?<br>\\$[?]",
    "answer0": "179.40",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Maris Stella 2023 P5 Weighted Assessment 3 Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Clarence and Declan had \\$4500 together. After Clarence spent 40% of his money and Declan spent 25% of his money, they each had an equal amount of money left. How much money did Declan have at first?<br>\\$[?]",
    "answer0": "2000",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Maris Stella 2023 P5 Weighted Assessment 3 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Lim spent \\$54 on chicken, eggs and fish. The cost of chicken was 35% of the total cost of all items. The cost of fish was 40% of the total cost of all items. How much more money did Mr Lim spend on fish than on eggs?<br>\\$[?]",
    "answer0": "8.10",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Maris Stella 2023 P5 Weighted Assessment 3 Q14",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Winnie paid \\$24.50 for 3 large bottles and 5 small bottles. With the remaining money, she could not buy another large bottle as she was short of \\$0.90. She then bought another small bottle and had \\$1.40 left. How much money did Winnie have at first?<br>\\$[?]",
    "answer0": "28.10",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2022 P5 Semestral Assessment 2 P1 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Bala receives a weekly allowance of \\$60. He saves \\$12 each week. What percentage of Bala's allowance did he spend?",
    "answer0": "12%",
    "answer1": "20%",
    "answer2": "48%",
    "answer3": "80%",
    "correct_answer": 3,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2022 P5 Semestral Assessment 2 P1 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "The table shows the rate for printing T-shirts at a printing shop. First 20 T-shirts: \\$10 each. Every additional T-shirt: \\$8 each. The Book Club printed 50 T-shirts for their 50 members. How much did the club pay for the T-shirts?",
    "answer0": "$250",
    "answer1": "$400",
    "answer2": "$440",
    "answer3": "$500",
    "correct_answer": 2,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2022 P5 Semestral Assessment 2 P1 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Aini bought a blouse at \\$24 and a skirt that cost twice as much. The amount of money she had left was \\$50 when rounded to the nearest \\$10. What was the possible amount of money she had at first?",
    "answer0": "$86",
    "answer1": "$90",
    "answer2": "$116",
    "answer3": "$126",
    "correct_answer": 3,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2022 P5 Semestral Assessment 2 P1 Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Ken started saving some pocket money on Monday. Each day, he saved \\$0.30 more than the day before. He saved a total of \\$15.50 from Monday to Friday. How much did he save on Tuesday?",
    "answer0": "$2.50",
    "answer1": "$2.80",
    "answer2": "$3.10",
    "answer3": "$3.40",
    "correct_answer": 1,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2022 P5 Semestral Assessment 2 P1 Q19",
    "fix_types": [
      "missing_input_blank"
    ],
    "type_id": 2,
    "question": "At a sale, Mr Samy wanted to buy a television set that cost $1300 before discount. He was given a 20% discount. How much did Mr Samy have to pay for the television set? [?]",
    "answer0": "1040",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Inserted 1 [?] to match 1 non-empty answer(s)."
  },
  {
    "source": "Nan Hua 2022 P5 Semestral Assessment 2 P1 Q20",
    "fix_types": [
      "missing_input_blank"
    ],
    "type_id": 2,
    "question": "The box is filled with some 1-cm cubes. What is the volume of the box? [?]",
    "answer0": "36",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Inserted 1 [?] to match 1 non-empty answer(s)."
  },
  {
    "source": "Nan Hua 2022 P5 Semestral Assessment 2 P1 Q26",
    "fix_types": [
      "missing_input_blank"
    ],
    "type_id": 2,
    "question": "GHJK is a parallelogram and FGH is an isosceles triangle. $\\angle FHG = 40^\\circ$ and $\\angle HJK = 80^\\circ$. Find $\\angle FGK$. [?]",
    "answer0": "150",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Inserted 1 [?] to match 1 non-empty answer(s)."
  },
  {
    "source": "Nan Hua 2022 P5 Semestral Assessment 2 P1 Q28",
    "fix_types": [
      "missing_input_blank"
    ],
    "type_id": 2,
    "question": "The figure is made up of an equilateral triangle, a square and a rectangle. The length of the rectangle is twice its breadth. The area of the square is 36 cm². Find the perimeter of the figure. [?]",
    "answer0": "54",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Inserted 1 [?] to match 1 non-empty answer(s)."
  },
  {
    "source": "Nan Hua 2022 P5 Semestral Assessment 2 P2 Q1",
    "fix_types": [
      "missing_input_blank"
    ],
    "type_id": 2,
    "question": "What is the sum of all the common factors of 16 and 36? [?]",
    "answer0": "7",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Inserted 1 [?] to match 1 non-empty answer(s)."
  },
  {
    "source": "Nan Hua 2022 P5 Semestral Assessment 2 P2 Q3",
    "fix_types": [
      "missing_input_blank"
    ],
    "type_id": 2,
    "question": "Joseph spent $\\dfrac{1}{4}$ of his money on a pair of shoes and $\\dfrac{1}{2}$ of the remainder on a basketball. He was left with $84. How much did he spend on the two items? [?]",
    "answer0": "140",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Inserted 1 [?] to match 1 non-empty answer(s)."
  },
  {
    "source": "Nan Hua 2022 P5 Semestral Assessment 2 P2 Q5",
    "fix_types": [
      "missing_input_blank"
    ],
    "type_id": 2,
    "question": "Find the area of the shaded part. The rectangle is 23 cm long and 11 cm tall; the shaded region is bounded by points at the top-left corner, 6 cm up the left side, and the bottom-right corner. [?]",
    "answer0": "57.5",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Inserted 1 [?] to match 1 non-empty answer(s)."
  },
  {
    "source": "Nan Hua 2022 P5 Semestral Assessment 2 P2 Q6",
    "fix_types": [
      "missing_input_blank"
    ],
    "type_id": 2,
    "question": "A group of boys had an average of 130 game cards. Another boy with 210 game cards joined the group and the average number of game cards became 150. How many boys were there in the group at first? [?]",
    "answer0": "3",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Inserted 1 [?] to match 1 non-empty answer(s)."
  },
  {
    "source": "Nan Hua 2022 P5 Semestral Assessment 2 P2 Q7",
    "fix_types": [
      "missing_input_blank"
    ],
    "type_id": 2,
    "question": "Mrs Rani borrows $72 000 from the bank to buy a car. The bank charges 2.8% interest per year. How much interest does Mrs Rani have to pay each month? [?]",
    "answer0": "168",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Inserted 1 [?] to match 1 non-empty answer(s)."
  },
  {
    "source": "Nan Hua 2022 P5 Semestral Assessment 2 P2 Q8",
    "fix_types": [
      "missing_input_blank"
    ],
    "type_id": 2,
    "question": "In the figure, ABC is an isosceles triangle and CDEF is a rhombus. AC = BC and $\\angle CFE = 134^\\circ$. Find $\\angle BAC$. [?]",
    "answer0": "67",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Inserted 1 [?] to match 1 non-empty answer(s)."
  },
  {
    "source": "Nan Hua 2022 P5 Semestral Assessment 2 P2 Q11",
    "fix_types": [
      "missing_input_blank"
    ],
    "type_id": 2,
    "question": "In a Mathematics quiz, there were a total of 40 questions. Participants were awarded 4 marks for each correct answer, 1 mark for each question left blank and deducted 2 marks for each wrong answer. Emily left 7 questions blank and scored a total of 103 marks for the quiz. How many questions did she answer correctly? [?]",
    "answer0": "27",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Inserted 1 [?] to match 1 non-empty answer(s)."
  },
  {
    "source": "Nan Hua 2022 P5 Semestral Assessment 2 P2 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Jack had \\$9.60 less than Jill at first. After Jill gave some of her money to Jack, he had \\$30 more than her. Jack's money became 4 times Jill's money.<br>(a) How much money did they have in all? [?]<br>(b) How much money did Jill give Jack? [?]",
    "answer0": "50",
    "answer1": "19.80",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2022 P5 Semestral Assessment 2 P2 Q13 (a)",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "The picture shows the distances between Mr Ho's house, the library and his office. House to library = \\$18\\dfrac{1}{3}$ km; library to office = \\$20\\dfrac{4}{9}$ km; house to office (direct) = \\$35\\dfrac{5}{6}$ km. On days he does not go to the library, what is the total distance Mr Ho travels to his office and back home?",
    "answer0": "\\(71\\dfrac{2}{3}\\) km",
    "answer1": "\\(35\\dfrac{5}{6}\\) km",
    "answer2": "\\(71\\dfrac{5}{6}\\) km",
    "answer3": "\\(70\\dfrac{2}{3}\\) km",
    "correct_answer": 0,
    "note": "Escaped 3 currency $ as \\$. WARNING: 3 unescaped $ remain (likely $...$ math delimiters); left untouched - verify."
  },
  {
    "source": "Nan Hua 2022 P5 Semestral Assessment 2 P2 Q13 (b)",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Using the distances: house to library = \\$18\\dfrac{1}{3}$ km, library to office = \\$20\\dfrac{4}{9}$ km, house to office direct = \\$35\\dfrac{5}{6}$ km. On Fridays, Mr Ho stops over at the library on his way home. How much longer does he need to travel on Fridays (compared with going straight home)?",
    "answer0": "\\(2\\dfrac{17}{18}\\) km",
    "answer1": "\\(3\\dfrac{17}{18}\\) km",
    "answer2": "\\(2\\dfrac{1}{18}\\) km",
    "answer3": "\\(1\\dfrac{17}{18}\\) km",
    "correct_answer": 0,
    "note": "Escaped 3 currency $ as \\$. WARNING: 3 unescaped $ remain (likely $...$ math delimiters); left untouched - verify."
  },
  {
    "source": "Nan Hua 2022 P5 Semestral Assessment 2 P2 Q14 (b)",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The bar graph shows the different coloured shirts sold by a shop in a day. Red 20, Blue 30, Yellow 10, White 42, Black 60. The price of each colour is: Red \\$10, Blue \\$10, Yellow \\$10, White \\$5, Black \\$6.<br>(b) How much did the shop collect from the sale of all the shirts? [?]",
    "answer0": "1390",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2022 P5 Semestral Assessment 2 P2 Q16",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Kumar and Larry were paid a total of \\$3850 for a job they did. Kumar was paid \\$2030 more than Larry.<br>(a) How much was Larry paid for the job? [?]<br>(b) Kumar and Larry were paid based on the number of days they worked. Kumar worked 3 times as many days as Larry. Kumar was paid \\$5 more than Larry per day. How many days did Kumar work? [?]",
    "answer0": "910",
    "answer1": "42",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2022 P5 Semestral Assessment 2 P2 Q17",
    "fix_types": [
      "missing_input_blank"
    ],
    "type_id": 2,
    "question": "Kaiwen spent $\\dfrac{1}{2}$ of her money on 6 cupcakes and 6 cookies. The price of a cookie is $\\dfrac{1}{3}$ the price of a cupcake. She bought some more cookies with $\\dfrac{2}{3}$ of her remaining money. How many cookies did she buy altogether? [?]",
    "answer0": "22",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Inserted 1 [?] to match 1 non-empty answer(s)."
  },
  {
    "source": "Nan Hua 2022 P5 Weighted Assessment 1 Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Liling had some money. She spent \\$14 on a story book, \\(\\dfrac{3}{7}\\) of the remainder on a school bag and saved the rest. She saved \\$28. How much money did Liling have at first? [?]",
    "answer0": "63",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2022 P5 Weighted Assessment 3 Q4",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Sheryl wants to buy a smart phone that costs \\$699 before 7% GST. How much GST does Sheryl have to pay? \\$[?]",
    "answer0": "48.93",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2022 P5 Weighted Assessment 3 Q5",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Lim has \\$45 500 in his savings account. He earns 2.2% interest each year. How much will Mr Lim have in his account at the end of 1 year? \\$[?]",
    "answer0": "46501",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2022 P5 Weighted Assessment 3 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mdm Jeya receives a monthly salary of \\$6300. She spends 30% of her salary on her apartment rent and saves \\(\\dfrac{3}{7}\\) of her salary in the bank. Mdm Jeya spends the rest of her monthly salary on food and transport. How much does Mdm Jeya spend on food and transport every month? \\$[?]",
    "answer0": "1710",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2022 P5 Weighted Assessment 3 Q9",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The usual price of a laptop was \\$1580. Wayne bought the laptop at a discount of 20%.<br>(a) What was the discounted price of the laptop? \\$[?]<br>(b) There was a 7% GST on the discounted price. How much did Wayne pay for the laptop? \\$[?]",
    "answer0": "1264",
    "answer1": "1352.48",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2022 P5 Weighted Assessment 3 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The selling price of each Model Z car was \\$168 000. For every car that Mr Fadil sold, he earned 1.2% of the selling price. In July, Mr Fadil earned a total of \\$8064 from selling Model Z cars. How many Model Z cars did Mr Fadil sell in July? [?]",
    "answer0": "4",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2023 P5 End-of-Year Exam Paper 1 Q28",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mdm Leong had some money. She spent \\$80 and had \\$45 left. What percentage of her money did she spend?<br>[?] %",
    "answer0": "64",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2023 P5 End-of-Year Exam Paper 2 Q4",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the postage rates for sending packages to Indonesia: not over 20 g costs 60 cents, not over 50 g costs 80 cents, not over 100 g costs \\$1.20, every additional 100 g costs \\$1.20. Ali sent two packages with a mass of 50 g and 370 g respectively. How much postage did Ali pay altogether?<br>\\$[?]",
    "answer0": "5.60",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2023 P5 End-of-Year Exam Paper 2 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The usual price of a television set was \\$6000. Mr Jones bought the television set at a 15% discount.<br>(a) How much was the discount? \\$[?]<br>(b) GST is 8% of the discounted price. How much did Mr Jones pay for the television set inclusive of GST? \\$[?]",
    "answer0": "900",
    "answer1": "5508",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2023 P5 End-of-Year Exam Paper 2 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Chicken bites cost \\$2.65 for one box and fishball costs \\$1.85 for one stick. Bundle offers: one box of chicken bites + one stick of fishball costs \\$4.20; 3 sticks of fishballs cost \\$5. Belinda wants to buy 43 boxes of chicken bites and 48 sticks of fishballs for a class party. What is the least amount of money that she has to pay?<br>\\$[?]",
    "answer0": "189.05",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2023 P5 End-of-Year Exam Paper 2 Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the total sales of three magazines in a month (Sports \\$1950, Science \\$1448, Math \\$1850). The bar graph shows the selling price of each magazine.<br>(a) Which magazine had the greatest number of copies sold? [?]<br>(b) The magazine vendor donated \\(\\dfrac{1}{4}\\) of the sales of the magazines to charity. How much was the donation? \\$[?]",
    "answer0": "Math",
    "answer1": "1312",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2024 P5 End-of-Year Exam Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Jonathan had \\$300. He spent \\$60. What percentage of the money did he spend?",
    "answer0": "20%",
    "answer1": "40%",
    "answer2": "60%",
    "answer3": "80%",
    "correct_answer": 0,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2024 P5 End-of-Year Exam Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Charles had five times as much money as Ken at first. After Charles spent \\$50 and Ken received another \\$62, they had an equal amount of money. How much money did Ken have at first?",
    "answer0": "$28",
    "answer1": "$56",
    "answer2": "$90",
    "answer3": "$140",
    "correct_answer": 1,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2024 P5 End-of-Year Exam Q24",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The graph shows the fare a taxi company charges for the first 10 kilometres.<br>(a) How much is the taxi fare for the first kilometre? \\$[?]<br>(b) Jane paid \\$15 for her taxi ride. What was the distance she travelled? [?] km",
    "answer0": "3",
    "answer1": "6",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2024 P5 End-of-Year Exam Q28",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Sara deposited \\$2400 into her bank account. The bank paid interest of 2% per year. How much interest will Sara earn at the end of 1 year? \\$[?]",
    "answer0": "48",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2024 P5 End-of-Year Exam P2 Q3",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Ron and Steve had \\$394 altogether. Ron and Terry had \\$363 altogether. Steve and Terry had \\$401 altogether. How much money did they have altogether? \\$[?]",
    "answer0": "579",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2024 P5 End-of-Year Exam P2 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A rectangular garden is \\(25\\dfrac{1}{4}\\) m long and \\(18\\dfrac{1}{2}\\) m wide. A fence is built along its 4 edges. Each meter of fencing costs \\$32. Find the total cost of fencing. \\$[?]",
    "answer0": "2800",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2024 P5 End-of-Year Exam P2 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "David gets \\$15 more allowance than Edward each week. Every week, each of them spends \\$25 and saves the rest. When David saves \\$216, Edward saves \\$96. How much allowance does David get each week? \\$[?]",
    "answer0": "52",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2024 P5 End-of-Year Exam P2 Q16",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mrs Lee bought some cupcakes and cookies. The cupcakes were sold at 8 for \\$25 and the cookies were sold at 12 for \\$30. Mrs Lee bought an equal number of cupcakes and cookies. She spent a total of \\$540 for all the cupcakes and cookies. How many cookies did Mrs Lee buy? [?]",
    "answer0": "768",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2024 P5 End-of-Year Exam P2 Q17",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Lai had some notebooks. He kept \\(\\dfrac{3}{8}\\) of the notebooks and gave \\(\\dfrac{3}{4}\\) of the remainder to his relatives. Then he sold the rest of them at 6 notebooks for \\$7 and collected \\$140 from the sale. How many notebooks did Mr Lai have at first? [?]",
    "answer0": "768",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2024 P5 Term 1 Weighted Assessment Paper 2 Q3",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A bakery was having a promotion. Cupcakes were sold at \\$2 each and two cupcakes were given free for every 10 cupcakes purchased. Mrs Lee needed 30 cupcakes for a party, how much did she have to pay?<br>Cupcakes: 1 for \\$2; Buy 10 get 2 free!<br>Ans: \\$[?]",
    "answer0": "52",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2024 P5 Term 1 Weighted Assessment Paper 2 Q4",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Umar spent \\(\\dfrac{1}{5}\\) of his savings on some notebooks. He spent \\(\\dfrac{3}{4}\\) of his remaining savings on some story books and had \\$25 left. How much was Umar's savings?<br>Ans: \\$[?]",
    "answer0": "125",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2024 P5 Weighted Assessment 3 Paper 1 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The price for 30 mangoes is \\$48. What is the price of 2 such mangoes? \\$[?]",
    "answer0": "3.20",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2024 P5 Weighted Assessment 3 Paper 1 Q9",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The price of a camera is \\$1200 excluding 9% GST. How much is the price of the camera including GST? \\$[?]",
    "answer0": "1308",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2024 P5 Weighted Assessment 3 Paper 1 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mrs Raju has \\$8000 in her savings account. She earns 2% interest each year. How much money will Mrs Raju have in her account at the end of 1 year? \\$[?]",
    "answer0": "8160",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2024 P5 Weighted Assessment 3 Paper 1 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A dress was sold at a discount at a store. Usual Price: \\$190; 40% off. How much was the discounted price of the dress? \\$[?]",
    "answer0": "114",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2024 P5 Weighted Assessment 3 Paper 2 Q4",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Tom was given \\$4 pocket money every day of the week. He spent \\$3.20 per day from Monday to Friday and saved the rest. He saved all his pocket money on Saturday and Sunday. Starting on a Monday, how many days did it take for him to save \\$52? [?]",
    "answer0": "33",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2025 P5 End-of-Year Exam Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Sally had some money. She used \\$50 to buy a book, \\$100 to buy a bag and was left with \\$250. What percentage of her money did she use altogether?",
    "answer0": "62.5%",
    "answer1": "60%",
    "answer2": "40%",
    "answer3": "37.5%",
    "correct_answer": 3,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2025 P5 End-of-Year Exam Q16",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Tom worked six hours each day from Monday to Thursday and seven hours on Saturday and was paid the following rate. Weekdays \\$7 an hour; Weekends \\$12 an hour. How much did he earn in that week?",
    "answer0": "$252",
    "answer1": "$336",
    "answer2": "$294",
    "answer3": "$378",
    "correct_answer": 0,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2025 P5 End-of-Year Exam P2 Q2",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mary spends \\$90 on a bag. In addition, she has to pay 9% GST for the bag. How much money did she spend on the bag? Ans: \\$ [?]",
    "answer0": "98.10",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2025 P5 End-of-Year Exam P2 Q3",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Samantha had \\$24 more than Jeremy at first. After Jeremy gave some of his money to Samantha, he had \\$42 less than her. How much money did he give to her? Ans: \\$ [?]",
    "answer0": "9",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2025 P5 End-of-Year Exam P2 Q4",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Tan received a total of \\$1345 for all the scrap metal he sold. First 60 kg: \\$5 per kg; each additional kg: \\$5.50. What is the total mass of scrap metal sold by Mr Tan? Ans: [?] kg",
    "answer0": "250",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2025 P5 End-of-Year Exam P2 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Beatrice deposited \\$50 000 in Bank A which paid her an interest of 2% per year. Charlie deposited \\$40 000 in Bank B which paid him an interest of 3% per year.<br>(a) How much would Beatrice have in her account at the end of one year? Ans: \\$ [?]<br>(b) Who earned more interest at the end of one year and how much more? Charlie earned \\$ [?] more interest.",
    "answer0": "51000",
    "answer1": "200",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2025 P5 End-of-Year Exam P2 Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "At a fruit store, mangoes were sold at \\$3 each. When a customer buys 5 or more mangoes, a 5% discount will be given.<br>(a) Delon bought 10 mangoes. How much was the discount given to him? Ans: \\$ [?]<br>(b) Anne bought 3 mangoes on Monday and 7 mangoes on Tuesday. How much did Anne pay for the mangoes on the two days in total after the discount? Ans: \\$ [?]",
    "answer0": "1.50",
    "answer1": "28.95",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2025 P5 End-of-Year Exam P2 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A bakery delivered 300 cakes to a hotel. It charged the hotel \\$50 for each cake in good condition. For every spoiled cake, the bakery had to pay the hotel \\$30. The hotel paid the bakery a total of \\$13 000. How many cakes were spoiled? Ans: [?]",
    "answer0": "25",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2025 P5 Weighted Assessment 1 P1 Q5",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Kai Wen had \\$100 at first. She bought 5 magazines which cost \\$16 each. She also bought a book which cost \\$4. Which expression represents how much she had left?",
    "answer0": "\\($100 - 5 \\times $16 - $4\\)",
    "answer1": "\\($100 - 5 \\times $16 + $4\\)",
    "answer2": "\\($100 + 5 \\times $16 - $4\\)",
    "answer3": "\\($100 + 5 \\times $16 + $4\\)",
    "correct_answer": 0,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2025 P5 Weighted Assessment 1 P2 Q1",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the prices of the admission tickets to the Universal Studios.<br>Adult: Mon-Fri \\$74, Sat & Sun \\$83<br>Child: Mon-Fri \\$59, Sat & Sun \\$62<br>Special Family bundle for 2 Adults and 2 Children: Mon-Fri \\$240, Sat & Sun \\$280<br>Express Pass: \\$120 each<br>A family of 4 adults and 3 children went to the Universal Studios on Saturday. They also bought 4 Express Pass tickets. What was the least possible amount of money they had to pay to go to the Universal Studios?<br>Ans: \\$[?]",
    "answer0": "988",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 8 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2025 P5 Weighted Assessment 1 P2 Q2",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mdm Fatimah bought 16 bags. She paid \\$150 for each bag. With the same amount of money, she could buy 24 identical blouses. What would be the price of two blouses?<br>Ans: \\$[?]",
    "answer0": "200",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2025 P5 Weighted Assessment 1 P2 Q4",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "John had \\$260 more than Ali. Ravi had 4 times as much money as John. After Ali spent \\$60, John had 3 times as much as what Ali had left. How much money did Ravi have?<br>Ans: \\$[?]",
    "answer0": "1920",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2025 P5 Weighted Assessment 2 Paper 2 Q5a",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Mrs Tan spent \\(\\dfrac{1}{4}\\) of her money on a necklace and \\(\\dfrac{1}{5}\\) of the remainder on a bag. She gave her daughter \\$60 and had \\$156 left. What fraction of her money did Mrs Tan spend on the bag?",
    "answer0": "\\(\\dfrac{3}{20}\\)",
    "answer1": "\\(\\dfrac{1}{5}\\)",
    "answer2": "\\(\\dfrac{1}{4}\\)",
    "answer3": "\\(\\dfrac{1}{20}\\)",
    "correct_answer": 0,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2025 P5 Weighted Assessment 2 Paper 2 Q5b",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mrs Tan spent \\(\\dfrac{1}{4}\\) of her money on a necklace and \\(\\dfrac{1}{5}\\) of the remainder on a bag. She gave her daughter \\$60 and had \\$156 left. How much money did Mrs Tan have at first? \\$[?]",
    "answer0": "360",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2025 P5 Weighted Assessment 3 Paper 1 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The usual price of a calculator is \\$40. During a sale, a discount of 20% is given. What is the price that Azman has to pay if he buys it during the sale? Ans: \\$[?]",
    "answer0": "32",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2025 P5 Weighted Assessment 3 Paper 2 Q1",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Ben worked in a restaurant for 5 hours each day from Monday to Friday last week. He was paid \\$300 at the same rate.<br>(a) How much was he paid for one hour of work last week? Ans: \\$[?]<br>(b) At this rate, how many hours would he have to work to be paid \\$1248? Ans: [?] hours",
    "answer0": "12",
    "answer1": "104",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2025 P5 Weighted Assessment 3 Paper 2 Q2",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mrs Lee bought a mobile phone. The mobile phone cost \\$1600 before GST. How much did Mrs Lee pay for the mobile phone including 9% GST? Ans: \\$[?]",
    "answer0": "1744",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nan Hua 2025 P5 Weighted Assessment 3 Paper 2 Q3",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Minghui bought an equal number of erasers and rulers. Each eraser costs \\$0.90 and each ruler costs \\$0.20 more than an eraser. She spent \\$24 altogether. How many rulers did she buy? Ans: [?]",
    "answer0": "12",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nanyang 2022 P5 Semestral Assessment 2 Q5",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Shahul had \\$2500. He spent \\$2000. What percentage of his money did he spend?",
    "answer0": "20%",
    "answer1": "25%",
    "answer2": "80%",
    "answer3": "125%",
    "correct_answer": 2,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nanyang 2022 P5 Semestral Assessment 2 Q22",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mrs Tan had some money at first. She spent \\(\\dfrac{2}{3}\\) of her money on a watch and \\(\\dfrac{1}{5}\\) of her money on food. She had \\$100 left. How much did she have at first? \\$[?]",
    "answer0": "750",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nanyang 2022 P5 Semestral Assessment 2 Q27",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mrs Singh deposits \\$15 000 in the bank for one year. The bank offers an interest of 4% per year. How much will Mrs Singh have in her bank at the end of one year? \\$[?]",
    "answer0": "15600",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nanyang 2022 P5 Semestral Assessment 2 Q36",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Anna and James had the same amount of money at first. Anna bought some pens and had \\$4.30 left. James wanted to buy highlighters only. The number of highlighters that James wanted to buy was the same as the number of pens Anna bought. However, he was short of \\$8.70. Each pen cost \\$1.20 and each highlighter cost \\$2.50. How much money did Anna have at first? \\$[?]",
    "answer0": "16.30",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "Nanyang 2022 P5 Semestral Assessment 2 Q37",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The Art Museum offers tickets on discount. Usual price: \\$16 per ticket. Buy 1 ticket at 10% discount. Buy 2 or more tickets at 20% discount.<br>(a) Mr Lim bought 1 ticket. How much did he pay? \\$[?]<br>(b) Mr Tan bought 3 tickets. What was the least amount of money he paid? \\$[?]",
    "answer0": "14.40",
    "answer1": "38.40",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nanyang 2022 P5 Semestral Assessment 2 Q43",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Kean Yew had 7200 shuttlecocks. He packed the shuttlecocks into as many bags of 7 shuttlecocks as possible and had some shuttlecocks left unpacked. He sold all his shuttlecocks and received \\$3608. Each bag of shuttlecocks was sold at \\$3.50.<br>(a) How many shuttlecocks were left unpacked? [?]<br>(b) Each of the shuttlecocks left unpacked was sold at the same price. How much did each of the shuttlecocks left unpacked sell at? \\$[?]",
    "answer0": "4",
    "answer1": "2.50",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nanyang 2022 P5 Weighted Assessment 1 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "On Monday, Mr Yusof bought 4 tables. Each table cost \\$357. On Tuesday, he bought 6 identical chairs. The 6 chairs cost as much as the 4 tables. How much did each chair cost?<br>\\$[?]",
    "answer0": "238",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nanyang 2023 P5 End-of-Year Exam Q25",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Sophia paid \\$87.40 for 3 identical pencils and 7 identical markers. The price of a marker is \\$1.20 more than the price of a pencil. Tim bought 10 such pencils. What was the amount of money he paid for 10 such pencils?<br>[?]",
    "answer0": "79",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nanyang 2023 P5 End-of-Year Exam P2 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The total cost of 2 identical files and 3 identical markers was \\$15. The total cost of 5 such files and 6 such markers was \\$34.80. What was the cost of 1 such marker?<br>[?]",
    "answer0": "1.80",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nanyang 2023 P5 End-of-Year Exam P2 Q16",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the parking charges at Value Shopping Mall: first hour or part thereof (9 a.m. to 5 p.m.) costs \\$1.20; every additional \\(\\dfrac{1}{2}\\) hour or part thereof costs \\$1.00; after 5 p.m. till next morning 9 a.m. costs \\$5.00 per entry. (a) Mrs Wee parked her car from 9.30 a.m. to 11.45 a.m. How much did she pay for her parking charges? (b) Mr Ong parked his car from 4.30 p.m. till the next morning 9 a.m. How much did he pay for his parking charges?<br>(a) [?]<br>(b) [?]",
    "answer0": "4.20",
    "answer1": "5.00",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nanyang 2023 P5 End-of-Year Exam P2 Q16",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 0,
    "question": "Using the parking charges at Value Shopping Mall, each statement below is either true, false or not possible to tell from the information given. For each statement, indicate true / false / not possible to tell: (i) Mr Lim paid \\$5 when he parked his car from 6 p.m. till next morning 8.45 a.m. (ii) Mr Tan paid \\$1.20 when he parked his car for 30 minutes. (iii) Some cars entered at 6 p.m. and exited at 6.50 p.m. on the same day. The parking charges for these cars were \\$7.20.",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nanyang 2023 P5 Weighted Assessment 1 Q9",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Tan saves \\$1500 each month. How much does he save in 30 years? \\$[?]",
    "answer0": "540000",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nanyang 2023 P5 Weighted Assessment 2 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the prices of muffins and cookies at Marvel Cafe and Simply Cafe.<br>Marvel Cafe: Muffin \\$4.00, Cookie \\$1.60. Simply Cafe: Muffin \\$3.20, Cookie \\$2.00.<br>(a) Mrs Lim bought 16 muffins and 20 cookies from Simply Cafe. How much did she pay in all? \\$[?]<br>(b) John bought muffins and cookies from Marvel Cafe. Sally bought muffins and cookies from Simply Cafe. Both John and Sally bought the same number of muffins. John bought 5 cookies and Sally bought 8 cookies. They paid the same amount of money. How many muffins did each of them buy? [?]",
    "answer0": "91.20",
    "answer1": "10",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "Nanyang 2024 P5 End-of-Year Exam Q25",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A tin of paint costs \\$24.50. Steve needs to buy 7 tins of paint, but he is short of \\$5. How much money does Steve have?<br>\\$[?]",
    "answer0": "166.50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nanyang 2024 P5 End-of-Year Exam Q27",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "What is the price of the backpack after a discount of 8%? Usual price: \\$50<br>\\$[?]",
    "answer0": "46",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nanyang 2024 P5 End-of-Year Exam Q36",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The line graph shows the amount of money Liling saved each week over a period of 4 weeks.<br>(a) In which week did Liling save twice the amount of money she saved in Week 3? Week [?]<br>(b) How much did Liling save in Week 4? \\$[?]<br>(c) How much less money did Liling save in Week 1 than in Week 2? \\$[?]",
    "answer0": "2",
    "answer1": "60",
    "answer2": "24",
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nanyang 2024 P5 End-of-Year Exam Q37",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Two apples cost \\$0.30 more than a pear. The pear costs \\$0.45 more than each apple. How much will 2 such pears and 1 such apple cost altogether?<br>\\$[?]",
    "answer0": "3.15",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nanyang 2024 P5 Term 1 Weighted Assessment Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Timothy sold 6000 plates of chicken rice and 1500 bowls of prawn noodles in January. He collected \\$45 000 from the sales in January. The amount of money he collected from a bowl of prawn noodles is twice the amount of money he collected from a plate of chicken rice. What was the amount of money he collected from a plate of chicken rice?<br>Ans: \\$[?]",
    "answer0": "5",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nanyang 2024 P5 Term 1 Weighted Assessment Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Taylor saved 2 notes in her piggy bank each day for 10 days. Each note was either a \\$2 note or a \\$5 note. The total amount of money in the piggy bank was \\$61. How many of the notes were \\$2 notes? [?]",
    "answer0": "13",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Nanyang 2024 P5 Term 2 Review Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the charges for sending parcels: up to 3 kg \\(\\$10\\); up to 5 kg \\(\\$18\\); up to 10 kg \\(\\$35\\); more than 10 kg and up to 30 kg — first 10 kg \\(\\$35\\) and every additional kilogram or less \\(\\$4.50\\).<br>(a) Nancy sent two parcels with mass 4.6 kg and 12.5 kg. How much, in dollars, did she pay altogether? [?]<br>(b) Mrs Siva wants to send 35 kg of rice but cannot send any parcel above 30 kg, so she packs them into 2 smaller parcels. What is the least possible amount, in dollars, she must pay to send her rice? [?]",
    "answer0": "66.50",
    "answer1": "137.50",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "Nanyang 2025 P5 End-of-Year Exam Paper 1 Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "The cost of a laptop was \\$4098. A washing machine cost \\$1258 more than the laptop. Find the total cost of 70 such washing machines.",
    "answer0": "$286 360",
    "answer1": "$286 860",
    "answer2": "$322 860",
    "answer3": "$374 920",
    "correct_answer": 3,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nanyang 2025 P5 End-of-Year Exam Paper 1 Q26",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Aileen saved \\$3.20 every day from 1st June 2025. A few days later, Bernard started to save. He saved an equal amount of money each day. At the end of 7th June 2025, Bernard saved \\$14.40. At the end of 9th June 2025, Aileen's total savings and Bernard's total savings were the same. How much did Bernard save each day? [?]",
    "answer0": "7.20",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nanyang 2025 P5 End-of-Year Exam Paper 1 Q27",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the parking charges at a car park. For the first hour: \\$1.90. For every additional \\(\\dfrac{1}{2}\\) hour or part thereof: \\$1.10.<br>Mrs Sim parked her car at the car park for 3 h 40 min. How much did she pay in total for the parking charges? [?]",
    "answer0": "8.50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nanyang 2025 P5 End-of-Year Exam Paper 2 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Charlene had \\$102 less than Bernice. After Charlene gave Bernice \\$90, Bernice had 5 times as much as what Charlene had left. How much money did Charlene have at first? [?]",
    "answer0": "160.50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nanyang 2025 P5 Weighted Assessment 1 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A box of cookies at Lee Bakery costs \\$25. Company A bought 200 such boxes for an event and Company B bought 80 boxes to donate to charity. Find the total amount of money collected by Lee Bakery from the sale of the boxes of cookies to Company A and Company B.<br>Ans: \\$[?]",
    "answer0": "7000",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Nanyang 2025 P5 Weighted Assessment 1 Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Tan sold three types of tickets for a concert. The table shows the price of each type of ticket and the number of ticket A and ticket B sold.<br>Ticket A: \\$12 each, 40 sold<br>Ticket B: \\$7 each, 36 sold<br>Ticket C: \\$3 each, ? sold<br>The total amount of money collected from the sale of ticket A and ticket B was four times the amount of money collected from the sale of ticket C. How many ticket C were sold by Mr Tan?<br>Ans: [?]",
    "answer0": "61",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Nanyang 2025 P5 Weighted Assessment 1 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Every day, Jing Han placed either a \\$2-note or a \\$5-note into her piggy bank which was empty at first. Every 20 days, her father also placed a \\$10-note into her piggy bank. At the end of 50 days, she had \\$222 in her piggy bank. How many of the notes in her piggy bank at the end of 50 days were \\$2-notes?<br>Ans: [?]",
    "answer0": "16",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "Pei Chun 2024 P5 End-of-Year Exam P2 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the charges for a photocopier service: first 100 copies cost 7 cents per copy; above 100 copies cost 4 cents per copy.<br>(a) Murali printed 98 copies. How much did he pay?<br>(b) Aminah printed some copies and paid \\$8.12 for the photocopying services. How many copies did she print?<br>(a) \\$[?]<br>(b) [?] copies",
    "answer0": "6.86",
    "answer1": "128",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Pei Chun 2024 P5 End-of-Year Exam P2 Q9",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Rosnah spent \\$739.50 on some pillows and towels. She bought 3 more pillows than towels. A pillow cost \\$22.50 and a towel cost \\$9.50.<br>(a) Find the cost of 3 pillows.<br>(b) How many towels did she buy?<br>(a) \\$[?]<br>(b) [?] towels",
    "answer0": "67.50",
    "answer1": "21",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Pei Chun 2024 P5 End-of-Year Exam P2 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Zhi Wei earns \\$2400 each month. He spends some of his salary and saves the rest. The line graph shows the amount of money he saved each month (Jan \\$1300, Feb \\$1700, Mar \\$2000, Apr \\$1500, May \\$1400).<br>(a) In which month did Zhi Wei spend the most amount of money?<br>(c) What percentage of his monthly salary did he spend in May? Give your answer correct to the nearest 1%.<br>(a) [?]<br>(c) [?]",
    "answer0": "January",
    "answer1": "42",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 6 currency $ as \\$."
  },
  {
    "source": "Pei Chun 2024 P5 End-of-Year Exam P2 Q13b",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Zhi Wei earns \\$2400 each month and saves the rest of his salary. In March he saved \\$2000. What fraction of his monthly salary did he save in March? Give your answer in the simplest form.",
    "answer0": "\\(\\dfrac{5}{6}\\)",
    "answer1": "\\(\\dfrac{2}{3}\\)",
    "answer2": "\\(\\dfrac{3}{4}\\)",
    "answer3": "\\(\\dfrac{4}{5}\\)",
    "correct_answer": 0,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Pei Chun 2024 P5 Term 3 Review Q9",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A set lunch cost \\$10.28. What is the cost, in dollars, of 60 such set lunches? \\$[?]",
    "answer0": "616.80",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Pei Chun 2024 P5 Term 3 Review Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The usual price of a mobile phone was \\$1250. During a sale, it was sold at a discount of 30%. What was the price, in dollars, of the mobile phone after the discount? \\$[?]",
    "answer0": "875",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Pei Chun 2024 P5 Term 3 Review Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the postage rates for mailing letters in Singapore: mass step not over 20 g costs \\$0.85; not over 50 g costs \\$1.05; not over 100 g costs \\$1.45; not over 250 g costs \\$3.65. Wei Tong mailed a letter weighing 35 g and another letter weighing 200 g. How much postage, in dollars, did Wei Tong pay altogether? \\$[?]",
    "answer0": "4.70",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "Raffles Girls 2022 P5 Semestral Assessment 2 Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Terry had some \\$2, \\$5, and \\$10 notes in his wallet. He had 12 notes and the total value of the notes was \\$71. How many \\$5-notes did he have?",
    "answer0": "7",
    "answer1": "2",
    "answer2": "3",
    "answer3": "5",
    "correct_answer": 3,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "Raffles Girls 2022 P5 Semestral Assessment 2 Paper2 Q1",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the charges for delivering items within Singapore by a company: mass step not over 5 kg costs \\$14; not over 15 kg costs \\$17; not over 30 kg costs \\$20; per additional step of 1 kg or part thereof costs \\$2.50. How much will Mrs Sammy have to pay the company for the delivery of an item that weighs 36.2 kg? Ans: \\$[?]",
    "answer0": "37.50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "Raffles Girls 2022 P5 Semestral Assessment 2 Paper2 Q2",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The price of an air-fryer is \\$135. Mr Henderson bought it at a discount of 15%. How much did he pay for the air-fryer? Ans: \\$[?]",
    "answer0": "114.75",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Raffles Girls 2022 P5 Semestral Assessment 2 Paper2 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Theng earned \\$4038 in July. He spent \\(\\dfrac{1}{3}\\) of it on rent and \\(\\dfrac{3}{8}\\) of the remainder on food.<br>(a) How much money did he spend on rent? Ans: \\$[?]<br>(b) How much money had he left? Ans: \\$[?]",
    "answer0": "1346",
    "answer1": "1682.50",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Raffles Girls 2022 P5 Semestral Assessment 2 Paper2 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Jalyn spent \\$96 on grocery and \\(\\dfrac{1}{5}\\) of her remaining money on transport. She was left with \\(\\dfrac{8}{15}\\) of her money. How much money did she have at first? Ans: \\$[?]",
    "answer0": "360",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Raffles Girls 2022 P5 Semestral Assessment 2 Paper2 Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A florist sells bouquets of flowers at \\$15 per bouquet. When a customer buys 3 or more bouquets, a discount of 5% will be given on the total bill.<br>(a) Kelly bought 6 bouquets. How much was the discount given to her? Ans: \\$[?]<br>(b) Mrs Aishah paid \\$513 after discount for some bouquets of flowers. How many bouquets of flowers did she buy? [?]",
    "answer0": "4.50",
    "answer1": "36",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Raffles Girls 2022 P5 Semestral Assessment 2 Paper2 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the number of hours Maggie worked in a restaurant: Mon to Thur 6 hours per day, Fri to Sat 9 hours per day, Sun 0 hours.<br>(a) What is the average number of hours she worked per day? [?]<br>(b) Maggie is paid \\$8.50 per hour. What is the total amount of money she earned in 1 week? Ans: \\$[?]",
    "answer0": "6",
    "answer1": "357",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Raffles Girls 2022 P5 Semestral Assessment 2 Paper2 Q17",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The number of bangles to the number of necklaces sold in an accessory shop was 4 : 3. The shop received \\$2100 altogether from selling the bangles and necklaces. The amount received from selling the bangles was \\$348 more than the amount received from selling the necklaces. Each bangle cost \\$1 more than each necklace.<br>(a) How much money was received from selling the necklaces? Ans: \\$[?]<br>(b) How many necklaces were sold in the shop? [?]",
    "answer0": "876",
    "answer1": "42",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Raffles 2022 P5 Weighted Assessment 1 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Jim spent \\(\\dfrac{3}{5}\\) of his salary on transport and spent \\(\\dfrac{1}{8}\\) of the remaining salary on food. He gave \\(\\dfrac{1}{10}\\) of his salary to his mother and had \\$1325 left. What was the amount of his salary?<br>Ans: \\$[?]",
    "answer0": "5300",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Raffles 2022 P5 Weighted Assessment 1 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "At a concert, \\(\\dfrac{5}{12}\\) of the people were students and the rest were adults. \\(\\dfrac{3}{4}\\) of the adults were women. 70 men attended the concert. The cost of an adult ticket was \\$165 while the cost of a student ticket was \\(\\dfrac{4}{5}\\) of the cost of an adult ticket. What was the cost of 1 student ticket? Give your answer in dollars.<br>Ans: \\$[?]<br>What was the amount of money collected from the sales of the student tickets? Give your answer in dollars.<br>Ans: \\$[?]",
    "answer0": "132",
    "answer1": "26400",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Raffles 2022 P5 Weighted Assessment 2 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Jane spends \\$48.25 per month on transport. How much would she spend on transport in 3 years?<br>\\$ [?]",
    "answer0": "1737",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Raffles 2022 P5 Weighted Assessment 2 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mrs Chin had \\$8000 in her bank account. The bank paid her a 3% interest at the end of each year. She did not withdraw any money from her account. How much money was in her bank account at the end of one year?<br>\\$ [?]",
    "answer0": "8240",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Raffles 2022 P5 Weighted Assessment 2 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Jasmine bought 2 mattresses that cost \\$750 each. She had to pay 7% GST. How much did she pay for both the mattresses including 7% GST?<br>\\$ [?]",
    "answer0": "1605",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Raffles 2022 P5 Weighted Assessment 2 Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Tammy bought some apples and pears. The number of apples to the number of pears is 2 : 1. An apple cost \\$1.50 and a pear cost \\$0.90. Tammy spent \\$936. How many pears did she buy?<br>[?]",
    "answer0": "240",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Raffles 2022 P5 Weighted Assessment 2 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "In a shop, Mr Jolly had 5500 milk cartons for sale.<br>(a) 45% of the milk cartons were strawberry milk. How many cartons of strawberry milk were there?<br>[?]<br>(b) Mr Jolly sold each carton of milk for \\$3. He collected \\$12375. What percentage of milk cartons were sold?<br>[?] %",
    "answer0": "2475",
    "answer1": "75",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Raffles 2022 P5 Weighted Assessment 2 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the number of books sold in a bookshop from Monday to Thursday.<br>Monday: 720<br>Tuesday: 240<br>Wednesday: 380<br>Thursday: 560<br>(a) What percentage of the books were sold on Tuesday? Give your answer rounded to 2 decimal places.<br>[?] %<br>(b) Terry wanted to buy 15 books from the bookshop but was short of \\$54. In the end, he bought 13 books and had \\$34.60 left. Find the cost of 1 book.<br>\\$ [?]",
    "answer0": "12.63",
    "answer1": "44.30",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Raffles 2022 P5 Weighted Assessment 2 Q14",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Sarah had some money in the piggy bank. On Monday, she took out \\(\\dfrac{2}{5}\\) of the money to buy a present. She had \\$78 left and she put it back into the piggy bank. On Tuesday, she took out \\(\\dfrac{3}{8}\\) of the money to buy some story books. She had \\$28.80 left and she put it back into the piggy bank. After that, she found that there was \\$246.30 in the piggy bank. How much money did she have in the piggy bank at first?<br>\\$ [?]",
    "answer0": "450",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Raffles 2023 P5 End-of-Year Exam Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Ally and Bella had the same amount of money at first. After Ally spent \\$20 and Bella spent \\$80, Ally had 3 times as much money as Bella. How much money did Bella have at first?",
    "answer0": "$100",
    "answer1": "$110",
    "answer2": "$140",
    "answer3": "$220",
    "correct_answer": 1,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Raffles 2023 P5 End-of-Year Exam Q26",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Tan had \\$8000. He gave \\$2000 to his wife and deposited the remaining amount in the bank. The bank paid 5% interest at the end of each year. How much money did he have in the bank at the end of 1 year? \\$[?]",
    "answer0": "6300",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Raffles 2023 P5 End-of-Year Exam Q29",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the charges for bicycle rental: First hour \\$6.00; every additional \\(\\dfrac{1}{2}\\) hour or part thereof \\$2.50. John and his brother rented a bicycle each from 2.00 p.m. to 4.15 p.m. How much did they pay altogether? \\$[?]",
    "answer0": "27",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Raffles 2023 P5 End-of-Year Exam P2-Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mrs Lim paid \\$53 for 5 mugs and 4 bowls. The cost of each bowl was \\$2 more than the cost of each mug. How much did Mrs Lim pay for the 5 mugs? \\$[?]",
    "answer0": "25",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Raffles 2023 P5 Weighted Assessment 2 Q7",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr and Mrs Gomez took their 2 children to a museum. The price of an adult ticket was 3 times as much as a child ticket. They paid a total of \\$146.40 for their tickets. What was the price of a child ticket?<br>\\$[?]",
    "answer0": "18.30",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Raffles 2023 P5 Weighted Assessment 2 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mdm Norah had \\$56 000 in her bank account. The bank paid 6% interest at the end of each year. How much did she have in her bank account at the end of 1 year?<br>\\$[?]",
    "answer0": "59360",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Raffles 2023 P5 Weighted Assessment 2 Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A fan cost \\$55. Elle bought it at 40% discount. How much was the discount?<br>\\$[?]",
    "answer0": "22",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Raffles Girls' 2025 P5 End-of-Year Exam Paper 2 Q1",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Sarah paid \\$48 for 5 books and 2 pens. Tanya paid \\$36 for 2 books and 5 pens. Find the cost of 1 book and 1 pen. [?]",
    "answer0": "12",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Raffles Girls' 2025 P5 End-of-Year Exam Paper 2 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Amy was given \\$4 pocket money every day of the week. She spent \\$3.60 per day from Monday to Friday and saved the rest. She saved all her pocket money on Saturday and Sunday.<br>(a) How much money did Amy save in a week? [?]<br>(b) Starting on a Monday, how many days would Amy take to save \\$62? [?]",
    "answer0": "10",
    "answer1": "49",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Raffles 2025 P5 Weighted Assessment 1 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Anika and Krishnan had a total of \\$322 at first. After Anika received \\$74 from her mother and Krishnan spent half of his money, they had the same amount of money. How much money did Anika have at first?<br>Ans: \\$[?]",
    "answer0": "58",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Raffles 2025 P5 Weighted Assessment 1 Q14",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Natalie bought some packets of potato chips. Large packets: 3 packets for \\$8. Small packets: 4 packets for \\$6. She spent an equal amount of money on the large and small packets of potato chips. She bought 35 more small packets than large packets. Find the cost of 9 large packets of potato chips.<br>Ans: \\$[?]",
    "answer0": "24",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Raffles 2025 P5 Weighted Assessment 1 Q14",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Natalie bought some packets of potato chips. Large packets: 3 packets for \\$8. Small packets: 4 packets for \\$6. She spent an equal amount of money on the large and small packets of potato chips. She bought 35 more small packets than large packets. How many packets of potato chips did Natalie buy altogether?<br>Ans: [?]",
    "answer0": "125",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Raffles Girls 2025 P5 Weighted Assessment 2 Q11a",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "At a bookshop, pencils and erasers are sold only in boxes. A box of 12 pencils costs \\$9.60 and a box of 7 erasers costs \\$3.50. Mrs Lee needs to buy 42 pencils and 20 erasers for her art class. What is the least amount of money that she will need to spend on the pencils and erasers? \\$[?]",
    "answer0": "48.90",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Raffles Girls 2025 P5 Weighted Assessment 2 Q11b",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "At a bookshop, a box of 12 pencils costs \\$9.60 and a box of 7 erasers costs \\$3.50; both are sold only in whole boxes. Mr Ali bought 8 more pencils than erasers at the bookshop. The total number of pencils and erasers he bought was fewer than 70. How much did Mr Ali spend on the pencils and erasers altogether? \\$[?]",
    "answer0": "42.80",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Rosyth 2022 P5 End-of-Year Exam Q23",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mrs Liew deposits \\$90 000 in a bank for one year. The interest rate is 2% per year. What is the total amount of money she will have in the bank at the end of one year? Ans: \\$[?]",
    "answer0": "91800",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2022 P5 End-of-Year Exam Q27",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 0,
    "question": "The bar graph shows the daily pocket money some students receive from their parents. \\(\\dfrac{1}{5}\\) of these students receive \\$2.50 for their pocket money daily. Draw the bar that shows the number of students who receive \\$2.50 for their pocket money daily.",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2022 P5 End-of-Year Exam Paper2 Q2",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the parking charges at a shopping mall: 1st hour or part thereof costs \\$2.80; subsequent 30 minutes or part thereof costs \\$0.90. Mr Wong parked his car from 5.45 p.m. to 7.55 p.m. How much was his parking charges? Ans: \\$[?]",
    "answer0": "5.50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Rosyth 2022 P5 End-of-Year Exam Paper2 Q3",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Sam had \\$340 more than John. Daniel had twice as much money as Sam. The total amount of money that Sam and Daniel had was \\$1230. How much money did John have? Ans: \\$[?]",
    "answer0": "70",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Rosyth 2022 P5 End-of-Year Exam Paper2 Q4",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Daryl and James spent an average of \\$12.20 on their dinner. Daryl spent \\$2.40 less than James, how much did James spend on his dinner? Ans: \\$[?]",
    "answer0": "13.40",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Rosyth 2022 P5 End-of-Year Exam Paper2 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Ahmad spent \\$112 for 5 identical books and 5 identical pens. The cost of 4 pens is the same as 3 books. What is the cost of 1 pen? Ans: \\$[?]",
    "answer0": "9.60",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2022 P5 End-of-Year Exam Paper2 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Elena bought many types of toys at an average cost of \\$12. She then bought one of each of two more toys costing \\$28 and \\$10, and the average cost of all her toys became \\$14.<br>(a) How many toys did she buy in total? [?]<br>(b) What was the total cost of all her toys that she bought? Ans: \\$[?]",
    "answer0": "7",
    "answer1": "98",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "Rosyth 2022 P5 End-of-Year Exam Paper2 Q16",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Two companies show delivery fees. Fast Express: service fee \\$9, first 5 km \\$1.20 per km or part thereof, above 5 km \\$0.70 per km or part thereof. SaSamoveit: service fee \\$12, first 3 km \\$1 per km or part thereof, above 3 km \\$0.45 per km or part thereof.<br>(a) Mr Lee wants to send a parcel from RH School to NR School which is 4.4 km away. What is the delivery fee he needs to pay if he uses SaSamoveit? Ans: \\$[?]<br>(b)(ii) Mrs Wen wants to send a parcel 8.7 km away to the cheaper company. How much will she save when she uses the cheaper company? Ans: \\$[?]",
    "answer0": "15.90",
    "answer1": "0.10",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 8 currency $ as \\$."
  },
  {
    "source": "Rosyth School 2022 P5 Weighted Assessment 2 Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Chua and Miss Sally had the same amount of money. Mr Chua bought 3 muffins and had \\$13 left. Miss Sally wanted to buy 8 muffins but was short of \\$11. What was the cost of 1 muffin? [?]",
    "answer0": "4.80",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2023 P5 End-of-Year Exam Q14",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Matthew had \\$25 more than Amy. When Amy gave Matthew \\$20, Matthew had 6 times as much money as Amy. How much money did Amy have at first?",
    "answer0": "$29",
    "answer1": "$33",
    "answer2": "$78",
    "answer3": "$108",
    "correct_answer": 1,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2023 P5 Weighted Assessment 1 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Marie was given some money to spend at a carnival. She asked for \\$20 more as she needed more money. After she spent \\$40.85, she had \\$5.35 left. How much did Marie have at first? [?]",
    "answer0": "26.20",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Rosyth 2023 P5 Weighted Assessment 1 Q14",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mdm Lim went to a supermarket to buy 29 oranges. The oranges were priced at \\$0.70 each or \\$5.00 per bag of 8 oranges. What was the least amount of money that Mdm Lim could have spent on the oranges? [?]",
    "answer0": "18.50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2023 P5 Weighted Assessment 1 Q18",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "There are three laptops for sale. The total cost of laptop A and laptop B is \\$2215. The total cost of laptop B and laptop C is \\$3709. Laptop C costs four times as much as laptop A.<br>a) How much more does laptop C cost than laptop A? [?]<br>b) How much does laptop B cost? [?]",
    "answer0": "1494",
    "answer1": "1717",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2023 P5 Weighted Assessment 2 Q7",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The ratio of Clara's money to Devi's money is 3 : 8. Clara has \\$21. How much money does Devi have? \\$[?]",
    "answer0": "56",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2023 P5 Weighted Assessment 2 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The cost of a present was to be shared equally among 8 friends. However, 3 of the friends decided not to pay for the present. As a result, the remaining friends each had to pay \\$126 more for the present. How much did each of the 8 friends have to pay at first? \\$[?]",
    "answer0": "210",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2023 P5 Weighted Assessment 2 Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Sandra was given some money to buy some books. If she bought 13 books, she would need \\$9 more. If she bought 9 books, she would be left with \\$15. How much did each book cost? \\$[?]",
    "answer0": "6",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Rosyth 2023 P5 Weighted Assessment 2 Q17",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Randy spent \\$189 on a table and \\(\\dfrac{4}{9}\\) of his remaining money on a chair. He had \\(\\dfrac{1}{6}\\) of his original sum of money left. How much money did he have at first? \\$[?]",
    "answer0": "270",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2023 P5 Weighted Assessment 2 Q19",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Betty sold brownies at \\$3 each. For every 5 brownies purchased, she gave 2 free brownies to her customers. On Friday, she sold and gave away a total of 240 brownies. (a) What was the largest possible number of brownies given free on Friday? [?] (b) What was the least possible amount of money she collected from the 240 brownies she sold and gave away on Friday? \\$[?]",
    "answer0": "68",
    "answer1": "516",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2024 P5 End-of-Year Exam Q9",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Sanjeev has \\$200. He gave \\$80 to his sister. What percentage of his money did Sanjeev give to his sister?",
    "answer0": "20%",
    "answer1": "40%",
    "answer2": "60%",
    "answer3": "80%",
    "correct_answer": 1,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2024 P5 End-of-Year Exam Q21",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "At a sale, Mr Sim bought 10 mugs of the same kind. Mrs Sim bought 8 such mugs. She also bought 3 towels at \\$2.50 each. Altogether, Mrs Sim spent \\$2.30 less than Mr Sim. What was the total amount of money both Mr and Mrs Sim spent?<br>Ans: \\$[?]",
    "answer0": "95.70",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Rosyth 2024 P5 End-of-Year Exam Q26",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Malik bought a sofa set which cost \\$1200 before a GST of 9%. What was the amount of GST that he had to pay for the sofa set?<br>Ans: \\$[?]",
    "answer0": "108",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2024 P5 End-of-Year Exam Q32 (Paper 2 Q2)",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the rental rate for a bicycle: First hour \\$8; for every additional half hour or part thereof \\$2.50. Mr Chua rented a bicycle from 11.30 a.m. to 2.10 p.m. How much did he pay for the bike rental in total?<br>Ans: \\$[?]",
    "answer0": "18",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Rosyth 2024 P5 End-of-Year Exam Q33 (Paper 2 Q3)",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Lee bought 2 identical tables and 2 identical chairs from a furniture store. He paid \\$3450 in total. The cost of 2 chairs was \\$300 more than the cost of 1 table. Find the cost of a table.<br>Ans: \\$[?]",
    "answer0": "1050",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Rosyth 2024 P5 End-of-Year Exam Q39 (Paper 2 Q8a)",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mrs Loh gave \\(\\dfrac{5}{6}\\) of her money to her 3 children, Fred, Greg and Helen in the ratio of 1 : 2 : 3. Helen received \\$190 more than Fred. How much money did the 3 children receive altogether?<br>Ans: \\$[?]",
    "answer0": "570",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2024 P5 End-of-Year Exam Q40 (Paper 2 Q8b)",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mrs Loh gave \\(\\dfrac{5}{6}\\) of her money to her 3 children, Fred, Greg and Helen in the ratio of 1 : 2 : 3. Helen received \\$190 more than Fred. How much money did Mrs Loh have at first?<br>Ans: \\$[?]",
    "answer0": "684",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2024 P5 End-of-Year Exam Q53 (Paper 2 Q15a)",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "The original price of each fan is \\$35. During a sale, Fan A gets \\$6.80 off the original price and Fan B gets a 20% discount. Which fan was cheaper after the discount? How much is it cheaper than the other fan?",
    "answer0": "Fan B, by $0.20",
    "answer1": "Fan A, by $0.20",
    "answer2": "Fan B, by $1.20",
    "answer3": "Fan A, by $6.80",
    "correct_answer": 0,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2024 P5 End-of-Year Exam Q54 (Paper 2 Q15b)",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The original price of each fan is \\$35. During a sale, Fan A gets \\$6.80 off the original price and Fan B gets a 20% discount. Jefferson wanted to buy the cheaper fan on discount. He had to pay an additional 9% GST on the discounted price. How much did Jefferson have to pay for the fan in total?<br>Ans: \\$[?]",
    "answer0": "30.52",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Rosyth 2024 P5 End-of-Year Exam Q55 (Paper 2 Q16a)",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A box of biscuit is sold at \\$5.50. For every 5 boxes of biscuits bought, 2 boxes of biscuits are given free. Nadiah bought some boxes of biscuits and paid a total of \\$126.50. How many boxes of biscuits did she have?<br>Ans: [?]",
    "answer0": "31",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2024 P5 End-of-Year Exam Q56 (Paper 2 Q16b)",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A box of biscuit is sold at \\$5.50. For every 5 boxes of biscuits bought, 2 boxes of biscuits are given free. In every box of biscuits, there are 10 pieces of biscuits. Daryl needs to get 485 pieces of biscuits. What is the least amount of money he has to pay?<br>Ans: \\$[?]",
    "answer0": "192.50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2024 P5 Weighted Assessment 2 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "At a shop, 1 T-shirt and 2 similar pairs of pants cost \\$180. 3 such T-shirts and 2 such pairs of pants cost \\$320. Find the cost of 1 pair of pants.<br>\\$[?]",
    "answer0": "55",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Rosyth 2024 P5 Weighted Assessment 2 Q19",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Cindy spent \\(\\dfrac{1}{7}\\) of her money and an additional \\$8 on a bag. She spent \\(\\dfrac{1}{4}\\) of her remaining money and an additional \\$5 on a wallet. She had \\$43 left. How much money did Cindy spend on the bag and the wallet altogether?<br>\\$[?]",
    "answer0": "41",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Rosyth 2024 P5 Weighted Assessment 3 Paper 1 Q14",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Alex receives a monthly allowance of \\$1000. He spends 80% of his allowance and saves the rest. How many months will it take him to save a total of \\$12 000? [?]",
    "answer0": "60",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2024 P5 Weighted Assessment 3 Paper 2 Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The original price of a lamp is \\$80. Ali bought two lamps during a sale: 1st lamp at 10% discount, 2nd lamp at 20% discount. What was the price of the two lamps after adding 9% GST? \\$[?]",
    "answer0": "148.24",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2024 P5 Weighted Assessment 3 Paper 2 Q18",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "35 people wanted to share the cost of a present equally. However, 5 people decided not to pay for it. As a result, the remaining people each had to pay \\$3.25 more. How much did the present cost? \\$[?]",
    "answer0": "682.50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2024 P5 Weighted Assessment 3 Paper 2 Q19",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Kenny needed 120 pieces of ribbons, each of length 60.25 cm, to tie presents for a party. Ribbons are sold in rolls of 2 m each. Each roll of ribbon costs \\$4.80.<br>a) What is the least number of rolls of ribbons that Kenny needs to buy? [?]<br>b) How much does he have to pay for the rolls of ribbons? \\$[?]",
    "answer0": "40",
    "answer1": "192",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2025 P5 End-of-Year Exam Paper 1 Q14",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Matthew had \\$25 more than Amy. When Amy gave Matthew \\$20, Matthew had 6 times as much money as Amy. How much money did Amy have at first?",
    "answer0": "$29",
    "answer1": "$33",
    "answer2": "$78",
    "answer3": "$108",
    "correct_answer": 1,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2025 P5 End-of-Year Exam Paper 2 Q2",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the postal charges for sending a letter to Indonesia. First 15 g: \\$0.55. Every additional 5 g: \\$0.10.<br>Madeline sent a letter weighing 37 g to Indonesia. How much did she pay in total? [?]",
    "answer0": "1.05",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2025 P5 End-of-Year Exam Paper 2 Q3",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The price of one cookie from a bakery is \\$1.80. When a customer buys 3 cookies, he will receive one more for free. Ben paid \\$39.60 for his cookies. How many cookies did Ben receive altogether? [?]",
    "answer0": "29",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2025 P5 End-of-Year Exam Paper 2 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A table and a cupboard cost \\$1345 altogether. \\(\\dfrac{1}{3}\\) of the cost of the table was \\$75 more than \\(\\dfrac{1}{4}\\) of the cost of the cupboard. How much more did the table cost than the cupboard? [?]",
    "answer0": "65",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2025 P5 End-of-Year Exam Paper 2 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Anthony made some pies and muffins. He sold each pie at \\$7 and each muffin at \\$3. The ratio of the number of pies sold to the number of muffins sold is 1 : 8. Anthony collected \\$589 altogether. How many pies did he sell? [?]",
    "answer0": "19",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Rosyth 2025 P5 End-of-Year Exam Paper 2 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Genna bought some shoes at an average price of \\$54. She then bought another 3 pairs of shoes at \\$102 each and the average price became \\$72. How many pairs of shoes did she buy altogether? [?]",
    "answer0": "8",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Rosyth 2025 P5 End-of-Year Exam Paper 2 Q14",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Sandy bought an equal number of muffins and tarts. The muffins were sold at 4 for \\$3 and the tarts were sold at 7 for \\$5. She paid a total of \\$164 for all the muffins and tarts. How many muffins and tarts did she buy altogether? [?]",
    "answer0": "224",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Rosyth 2025 P5 End-of-Year Exam Paper 2 Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Chandran bought a television that cost \\$1320 before a discount of 30%.<br>(a) Find the amount of discount given for the television. [?]<br>(b) Mr Chandran paid \\$1722 for a laptop. The total discount for the television and the laptop was \\$642. What was the percentage discount given for the laptop? [?] %",
    "answer0": "396",
    "answer1": "12.5",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Rosyth 2025 P5 Weighted Assessment 2 Paper 2 Q7",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The ratio of Clara's money to Devi's money is 3 : 8. Clara has \\$21. How much money does Devi have? \\$[?]",
    "answer0": "56",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2025 P5 Weighted Assessment 2 Paper 2 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The cost of a present was to be shared equally among 8 friends. However, 3 of the friends decided not to pay for the present. As a result, the remaining friends each had to pay \\$126 more for the present. How much did each of the 8 friends have to pay at first? \\$[?]",
    "answer0": "210",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2025 P5 Weighted Assessment 2 Paper 2 Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Sandra was given some money to buy some books. If she bought 13 books, she would need \\$9 more. If she bought 9 books, she would be left with \\$15. How much did each book cost? \\$[?]",
    "answer0": "6",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Rosyth 2025 P5 Weighted Assessment 2 Paper 2 Q17",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Randy spent \\$189 on a table and \\(\\dfrac{4}{9}\\) of his remaining money on a chair. He had \\(\\dfrac{1}{6}\\) of his original sum of money left. How much money did he have at first? \\$[?]",
    "answer0": "270",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rosyth 2025 P5 Weighted Assessment 2 Paper 2 Q19",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Betty sold brownies at \\$3 each. For every 5 brownies purchased, she gave 2 free brownies to her customers. On Friday, she sold and gave away a total of 240 brownies.<br>(a) What was the largest possible number of brownies given free on Friday? [?]<br>(b) What was the least possible amount of money she collected from the 240 brownies she sold and gave away on Friday? \\$[?]",
    "answer0": "68",
    "answer1": "516",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2022 P5 End-of-Year Exam Q28",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Lily had a monthly allowance of \\$720. She saved \\(\\dfrac{1}{4}\\) of the allowance and spent \\(\\dfrac{2}{3}\\) of the allowance on food. She spent the remainder equally on transport and her hobby. How much did she spend on transport? Ans: \\$[?]",
    "answer0": "30",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2022 P5 End-of-Year Exam Paper2 Q5",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the rates for renting a bicycle from a shop: first 2 hours cost \\$12; after the second hour, \\$5 per hour or part thereof. Ali rented a bicycle from 10 15 to 14 30. How much did he have to pay? Ans: \\$[?]",
    "answer0": "27",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2022 P5 End-of-Year Exam Paper2 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The total cost of a bag and 3 files was \\$65. The cost of the bag was twice the cost of each file. What was the cost of the bag? Ans: \\$[?]",
    "answer0": "26",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2022 P5 End-of-Year Exam Paper2 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "There is a sale: first pair of shoes at 40% discount, second pair at 55% discount. Tom bought 2 pairs of shoes. Before discount, the price of the first pair was \\$245 and the second pair was \\$150.<br>(a) What was the discount for the first pair of shoes? Ans: \\$[?]<br>(b) What was the price of the second pair of shoes after the discount? Ans: \\$[?]",
    "answer0": "98",
    "answer1": "67.50",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2022 P5 End-of-Year Exam Paper2 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A shop sells cupcakes: 1 pack of 3 cupcakes costs \\$4.90, and 1 cupcake costs \\$1.85. Mrs Tan has \\$29 to buy cupcakes at this shop. What is the most number of cupcakes she can buy? [?]",
    "answer0": "17",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2022 P5 Weighted Assessment 1 Q14",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A pencil case cost \\$6 more than a water bottle. Mrs Tan paid \\$28 for a pencil case and a water bottle. Find the cost of a water bottle. [?]",
    "answer0": "11",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2022 P5 Weighted Assessment 2 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "A pen and an eraser cost \\$1.50. Min Yi paid \\$18 for 15 pens and 10 erasers. Jun Jie bought 3 erasers. Find the amount Jun Jie paid.",
    "answer0": "$ 0.90",
    "answer1": "$ 1.80",
    "answer2": "$ 2.70",
    "answer3": "$ 3.00",
    "correct_answer": 2,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2023 P5 End-of-Year Exam Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Amy has twice as many \\$20 notes as \\$50 notes in a box. The total value of the money in the box is \\$6300. How many \\$20 notes are there in the box?",
    "answer0": "140",
    "answer1": "180",
    "answer2": "210",
    "answer3": "315",
    "correct_answer": 0,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2023 P5 End-of-Year Exam Q26",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A store rewards customers with 6 points for every \\$50 spent. Mrs Tan spent \\$240 at the store. What is the total number of points Mrs Tan receives from the store?<br>[?]",
    "answer0": "24",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2023 P5 End-of-Year Exam Q28",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the number of cups of bubble tea each person bought at a Charity Fair.<br>How much money was collected if each cup of bubble tea was sold at \\$6 per cup?<br>Ans: \\$[?]",
    "answer0": "870",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2023 P5 Weighted Assessment 1 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "100 identical chairs cost \\$6 000 and 20 identical tables cost \\$9 000. Find the total cost of 1 chair and 1 table.",
    "answer0": "$105",
    "answer1": "$510",
    "answer2": "$645",
    "answer3": "$960",
    "correct_answer": 1,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2023 P5 Weighted Assessment 2 Q4",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mary spent \\$50 of her weekly allowance of \\$200. What percentage of her weekly allowance did she spend?<br>[?]%",
    "answer0": "25",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2023 P5 Weighted Assessment 2 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Alice, Betty and Cindy shared \\$72 in the ratio of 2 : 3 : 1. How much did Alice receive?<br>\\$[?]",
    "answer0": "24",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2023 P5 Weighted Assessment 2 Q16",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mrs Fang bought a chair for \\$150 at a shop on Monday. On Tuesday, the same shop gave a discount of 25% for buying the same chair. How much would Mrs Fang have saved if she bought the chair on Tuesday?<br>\\$[?]",
    "answer0": "37.50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2024 P5 Class Test 2 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The diagram shows the cost of a watch before GST. What was the price of the watch after adding 9% GST?<br>\\$200 (Price before GST)<br>Ans: \\$[?]",
    "answer0": "218",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2024 P5 End-of-Year Exam Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Evan was given \\$4 pocket money every day from Monday to Friday. He spent \\$3.20 each day from Monday to Thursday and saved the rest. He spent 30 cents more on Friday. How much did Evan save altogether?",
    "answer0": "$3.20",
    "answer1": "$3.70",
    "answer2": "$4.00",
    "answer3": "$4.30",
    "correct_answer": 1,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2024 P5 End-of-Year Exam Q35",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The rate to send letters to a country is: first 20 g costs \\$0.85, every additional 10 g or part thereof costs \\$0.25. Ben sent a letter that weighed 43 g. How much did Ben pay for sending the letter? Give your answer in dollars.<br>\\$[?]",
    "answer0": "1.60",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2024 P5 End-of-Year Exam Q41",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A baker baked some cupcakes for sale on Saturday morning. He sold 65% of the cupcakes on Saturday and found that he had 203 cupcakes left.<br>(a) How many cupcakes did the baker bake on Saturday morning? [?]<br>(b) He sold the remaining cupcakes on Sunday at a discount of 20% off the price of \\$3.50 each. How much were all the cupcakes sold for on Sunday? Give your answer in dollars. \\$[?]",
    "answer0": "580",
    "answer1": "568.40",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2024 P5 End-of-Year Exam Q42",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The graph shows the cost of food delivery a company charges for delivering meals for the first 10 kilometres.<br>(a) How much would it cost to deliver a meal that is within 2 km? Give your answer in dollars. \\$[?]<br>(b) How much does the delivery company charge for every kilometre after 4 km of travel? Give your answer in dollars. \\$[?]<br>(c) The delivery man has to drive 9 km to Peggy's house. How much is her delivery charge? Give your answer in dollars. \\$[?]",
    "answer0": "3",
    "answer1": "2.50",
    "answer2": "20.50",
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2024 P5 End-of-Year Exam Q44",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mrs Chan bought an equal number of pots and pans. The ratio of the cost of a pot to the cost of a pan was 3 : 2. The average price of a pot and a pan was \\$11.25. Mrs Chan paid \\$45 less for the pans than the pots. How many pans did Mrs Chan buy?<br>[?]",
    "answer0": "10",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2024 P5 End-of-Year Exam Q45",
    "fix_types": [
      "fraction_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "The bar graph (Figure 1) shows the number of books sold in a book store from September to November (scale not given). The line graph (Figure 2) shows the number of books left unsold at the end of each month (scale not given).<br>(a) Based on Figure 1, what fraction of the books sold in the three months were sold in October?<br>(b) Given that 18 books were sold in the month of November, how many books were sold from September to November?<br>(c) What was the number of books left unsold in the book store in December?",
    "answer0": "\\(\\dfrac{1}{2}\\)",
    "answer1": "DISTRACTOR_NEEDED",
    "answer2": "DISTRACTOR_NEEDED",
    "answer3": "DISTRACTOR_NEEDED",
    "correct_answer": 0,
    "note": "FIB fraction answer -> MCQ; distractors flagged DISTRACTOR_NEEDED for human authoring; correct value unchanged (\\(\\dfrac{1}{2}\\))."
  },
  {
    "source": "Red Swastika 2025 P5 End-of-Year Exam Paper 1 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Charlynn received \\$300 as a book prize. She gave \\$60 to her mother. What percentage of the prize money did Charlynn give to her mother?",
    "answer0": "20%",
    "answer1": "25%",
    "answer2": "60%",
    "answer3": "80%",
    "correct_answer": 0,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2025 P5 End-of-Year Exam Paper 2 Q7",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the parking charges at a car park. For the 1st hour: \\$2.10. For every additional \\(\\dfrac{1}{2}\\) hour or part thereof: \\$0.80.<br>Mr Singh paid \\$4.50 for his parking charges. What was the longest possible duration he could have parked his car? [?] min",
    "answer0": "150",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2025 P5 End-of-Year Exam Paper 2 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Ken wanted to buy 6 pens but he was short of \\$3.20. Instead, he bought 2 pens and had \\$10.80 left. How much did Ken have? [?]",
    "answer0": "17.80",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2025 P5 End-of-Year Exam Paper 2 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The pie charts show the number of stationery sold in two bookshops, A and B. The total sold in bookshop A is twice the total sold in bookshop B. The number of pens sold in bookshop B is half the total sold in bookshop B. In bookshop A, Pens = 55% (with a right angle between Pencils and Notebooks). In bookshop B, Pencils = 20%. A bar graph shows the amount earned by shopkeeper A from Pens, Pencils and Notebooks.<br>(b) Shopkeeper A earned a total of \\$240 from notebooks and each notebook sells for \\$4. How many pens did shopkeeper A sell? [?]<br>(c) How much was the cost of a pen sold in bookshop A? [?]",
    "answer0": "165",
    "answer1": "2",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2025 P5 End-of-Year Exam Paper 2 Q14",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Cupcakes are sold only in boxes of 4 and 6 in a shop. A box of 4 small cupcakes costs \\$13.80 and a box of 6 big cupcakes costs \\$24.60.<br>(a) Meg wants to get an equal number of small and big cupcakes for a party with \\$200. What is the most number of cupcakes she can get? [?]<br>(b) Peili bought 10 more small cupcakes than big cupcakes from the shop. The total number of cupcakes she bought was more than 30 but fewer than 50. How much did Peili spend on the cupcakes altogether? [?]",
    "answer0": "48",
    "answer1": "261",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2025 P5 Weighted Assessment 2 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "The tables show the parking charges of two car parks A and B which are near each other. Car Park A charges \\$2.50 for the first hour and \\$1.00 for every additional \\(\\dfrac{1}{2}\\) hour or part thereof. Car Park B is free for the first hour and charges \\$1.20 for every additional \\(\\dfrac{1}{2}\\) hour or part thereof. Mr Hashim needed to park his car from 1:00 pm to 3:15 pm. Where should he park so that he would pay less, and how much less would he have paid?",
    "answer0": "Car Park B, $1.90 less",
    "answer1": "Car Park A, $1.90 less",
    "answer2": "Car Park B, $0.50 less",
    "answer3": "Car Park A, $1.20 less",
    "correct_answer": 0,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2025 P5 Weighted Assessment 2 Q16a",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "In shop XYZ, a small pack of rice costs \\$8.50 and a large pack of rice costs \\$12. Alice and Benson bought the same total number of packs of rice. Alice bought a number of small packs and 5 large packs. Benson bought a number of small packs and 15 large packs. Who bought more small packs of rice, and how many more?",
    "answer0": "Alice, 10 more",
    "answer1": "Benson, 10 more",
    "answer2": "Alice, 5 more",
    "answer3": "Benson, 15 more",
    "correct_answer": 0,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Red Swastika 2025 P5 Weighted Assessment 2 Q16b",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "In shop XYZ, a small pack of rice costs \\$8.50 and a large pack of rice costs \\$12. Alice and Benson bought the same total number of packs. Alice bought some small packs and 5 large packs; Benson bought some small packs and 15 large packs (Alice bought 10 more small packs than Benson). Benson spent more money at the shop. How much more did Benson spend? \\$[?]",
    "answer0": "35",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Rulang 2022 P5 Semestral Assessment 2 Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Bala bought two bags. The average cost of the two bags was \\$360. One of the bags cost \\$198. What was the cost of the other bag?",
    "answer0": "$58",
    "answer1": "$162",
    "answer2": "$378",
    "answer3": "$522",
    "correct_answer": 3,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rulang 2022 P5 Semestral Assessment 2 Q27",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Yeo bought a laptop for \\$3235. He paid \\$1435 first and the remaining amount in monthly payments of \\$300 each. How many months did he take to pay the remaining amount? [?]",
    "answer0": "6",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Rulang 2022 P5 Semestral Assessment 2 P2 Q3",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the amount of money saved by four children. Anne \\$280, Betty \\$320, Calvin \\$304, Derek ?. The average amount of money the four children saved was \\$295. How much did Derek save? [?]",
    "answer0": "276",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Rulang 2022 P5 Semestral Assessment 2 P2 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the ticket prices at a cinema. Adults: \\$9 per ticket (weekdays), \\$14.50 per ticket (weekends). Children (12 years old and below): \\$7 per ticket (weekdays), \\$14.50 per ticket (weekends). Senior Citizens (60 years old and above): \\$4.50 per ticket (any day). Mr Ng wants to buy 2 adult tickets, 2 senior citizen tickets and 3 children tickets to watch a movie on a Tuesday evening. How much will he have to pay for all the tickets? [?]",
    "answer0": "48",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "Rulang 2022 P5 Semestral Assessment 2 P2 Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "At a supermarket, 200 g of grapes cost \\$4.50. Apples are sold at 5 for \\$3.60. How much will 600 g of grapes and 30 apples cost altogether? [?]",
    "answer0": "35.10",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rulang 2022 P5 Semestral Assessment 2 P2 Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Karen spent \\$10 on 2 exercise books and 8 pens. She wanted to buy another exercise book but was short of \\$0.60. Instead, she bought 1 more pen and had \\$0.40 left.<br>a) What was the cost of an exercise book? [?]<br>b) How much money did Karen have at first? [?]",
    "answer0": "1.80",
    "answer1": "11.20",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Rulang 2025 P5 End-of-Year Exam Paper 1 Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Mrs Lee parked her car at a mall from 1:30 pm to 8:00 pm. The parking rates were: From 6:00 am to 6:00 pm: \\$1.50 per hour or part thereof. From 6:00 pm to 6:00 am: \\$2. How much did she pay for her parking charges?",
    "answer0": "$8",
    "answer1": "$9.50",
    "answer2": "$11.50",
    "answer3": "$12",
    "correct_answer": 1,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rulang 2025 P5 End-of-Year Exam Paper 2 Q1",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Tan bought an oven for \\$1035. After a down payment of \\$90, he paid the remaining amount in monthly payments of \\$135 each. How many months did Mr Tan take to pay the remaining amount? [?]",
    "answer0": "7",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Rulang 2025 P5 End-of-Year Exam Paper 2 Q2",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A sum of money was shared among Amy, Betty and Clara. Amy received \\$260 more than Betty. Clara received 4 times as much money as Amy. Betty received \\$227. How much more money did Clara receive than Amy? [?]",
    "answer0": "1461",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rulang 2025 P5 End-of-Year Exam Paper 2 Q4",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Sally spent a certain amount of money in 7 days. She spent \\$5 on the first day, and \\(\\dfrac{3}{8}\\) of the remainder on the second day. She spent a total of \\$10 over the remaining 5 days. How much money did she spend over the 7 days? [?]",
    "answer0": "21",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rulang 2025 P5 End-of-Year Exam Paper 2 Q7",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Apples were sold at 5 for \\$3.20 and pears were sold at 3 for \\$4.90. Mr Lee bought an equal number of apples and pears to sell at a carnival. He spent \\$551.30 more on the pears than on the apples. How many apples did he buy? [?]",
    "answer0": "555",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Rulang 2025 P5 End-of-Year Exam Paper 2 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mrs Yeo had some oranges. She threw away \\(\\dfrac{2}{9}\\) of the oranges, which were rotten. She gave \\(\\dfrac{1}{3}\\) of the remainder to her neighbours. She then sold the rest of the oranges at 4 for \\$2.20. She received \\$231 from the sale of the oranges.<br>(a) What fraction of the oranges did she give to her neighbours? [?]<br>(b) How many oranges did she have altogether at first? [?]",
    "answer0": null,
    "answer1": "810",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Rulang 2025 P5 End-of-Year Exam Paper 2 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Two identical watches are sold at discounted prices in Store A and Store B during a sale. Store A: usual price \\$350, 15% off. Store B: usual price \\$320, 10% off.<br>(a) What is the price of the watch in Store A after the discount is given? [?]<br>(b) Mr Neo wants to buy the watch from Store B. How much cheaper will the watch cost in Store B than in Store A during the sale? [?]",
    "answer0": "297.50",
    "answer1": "9.50",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Singapore Chinese Girls' School 2022 P5 Semestral Assessment 2 Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "A salesman earns \\$0.50 for every 7 pens sold. He earns an extra \\$1 for every 20 pens sold. How much will he earn if he sold 142 pens?",
    "answer0": "$7.00",
    "answer1": "$8.00",
    "answer2": "$10.00",
    "answer3": "$17.00",
    "correct_answer": 3,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Singapore Chinese Girls' School 2022 P5 Semestral Assessment 2 Q36",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Ishak paid a total of \\$447.60 for 3 tables and 9 chairs. Each chair cost \\$15.20 less than a table. Find the cost of a chair. [?]",
    "answer0": "33.50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Singapore Chinese Girls' School 2022 P5 Semestral Assessment 2 Q46",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Janice and Kelly bought some cups from a stall. The cups are sold in sets of 2 and 3 cups. Large cups: 2 for \\$12. Small cups: 3 for \\$15.<br>(a) Janice bought an equal number of large and small cups. She spent \\$24 more on large cups than small cups. How many cups did she buy altogether? [?]",
    "answer0": "48",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Singapore Chinese Girls' School 2022 P5 Semestral Assessment 2 Q47",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Janice and Kelly bought some cups from a stall. Large cups: 2 for \\$12. Small cups: 3 for \\$15. Kelly bought 6 large cups and had \\$50 left. She bought as many small cups as she could with the remaining money. What fraction of the cups she bought were small cups?",
    "answer0": "\\(\\dfrac{9}{15}\\)",
    "answer1": "\\(\\dfrac{3}{5}\\)",
    "answer2": "\\(\\dfrac{2}{5}\\)",
    "answer3": "\\(\\dfrac{6}{15}\\)",
    "correct_answer": 1,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Singapore Chinese Girls' School 2022 P5 Weighted Assessment 1 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Sally saved \\$200 in January. Her father gave her \\$10 for every \\$40 she saved. How much money did Sally's father give her? [?]",
    "answer0": "50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Singapore Chinese Girls' School 2022 P5 Weighted Assessment 1 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Jaya spent a total of \\$4200 buying some headphones and speakers for his shop. He bought 40 more headphones than speakers. A headphone cost \\$30 each and a speaker cost \\$20 each. How many headphones did he buy altogether? [?]",
    "answer0": "100",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "SCGS 2024 P5 End-of-Year Exam Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "The average daily allowance of 5 students is \\$4. Another student joined in and their average daily allowance increased to \\$4.30. How much daily allowance did the last student receive?",
    "answer0": "$1.50",
    "answer1": "$1.80",
    "answer2": "$4.30",
    "answer3": "$5.80",
    "correct_answer": 3,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "SCGS 2024 P5 End-of-Year Exam Q29",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the carpark rates at Sands Mall: For the first hour \\$7; For every additional \\(\\dfrac{1}{2}\\) h or part thereof \\$3. Casper parked his car at Sands Mall from 11 a.m. to 1.20 p.m. How much did he pay for parking? [?]",
    "answer0": "16",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "SCGS 2024 P5 End-of-Year Exam P2 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Lily paid \\$114 for 6 similar tops and 3 similar pairs of shorts. Hazel paid \\$92 for 3 similar tops and 4 similar pairs of shorts. How much did each top cost? [?]",
    "answer0": "12",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "St. Hilda's 2025 P5 End-of-Year Examination Paper 1 Q7",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Tom received \\$200 as a prize. He gave \\$30 to his father. What percentage of the prize money did Tom give to his father?",
    "answer0": "15%",
    "answer1": "30%",
    "answer2": "70%",
    "answer3": "85%",
    "correct_answer": 0,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "St. Hilda's 2025 P5 End-of-Year Examination Paper 1 Q18",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Linda had \\$9. She spent \\$6 on 6 pencils and 12 erasers. Each pencil cost 3 times as much as each eraser. She used all her remaining money to buy more pencils of the same kind. How many pencils did Linda buy altogether?",
    "answer0": "5",
    "answer1": "11",
    "answer2": "21",
    "answer3": "27",
    "correct_answer": 1,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "St. Hilda's 2025 P5 End-of-Year Examination Paper 1 Q27",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Julia saves \\$3000 in the bank for one year. The interest rate is 2% per year. How much money will she have in the bank after 1 year?<br>\\$[?]",
    "answer0": "3060",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "St. Hilda's 2025 P5 End-of-Year Examination Paper 2 Q2",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Jane bought 1.2 kg of cherries at a price of \\$0.90 for every 100 g. How much did she pay for them?<br>\\$[?]",
    "answer0": "10.80",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "St. Hilda's 2025 P5 End-of-Year Examination Paper 2 Q6",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the rates for renting a bicycle: \\$3 for the first hour or part thereof, and \\$2.20 for every additional \\(\\dfrac{1}{2}\\) hour or part thereof. Karen paid \\$11.80 for renting a bicycle. She rented the bicycle at 1.30 pm. What was the latest possible time she returned the bicycle?<br>[?] pm",
    "answer0": "4.30",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "St. Hilda's 2025 P5 End-of-Year Examination Paper 2 Q8a",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The pie chart shows how Ari spends her weekly pocket money of \\$72. AB is a straight line. Food and Drinks fills half the circle, Savings is \\(\\dfrac{1}{12}\\) of the circle and Transport is the rest of the lower half. How much money does she spend on Food and Drinks, Transport and Savings? Give the three amounts in dollars.<br>Food and Drinks \\$[?]<br>Transport \\$[?]<br>Savings \\$[?]",
    "answer0": "36",
    "answer1": "30",
    "answer2": "6",
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "St. Hilda's 2025 P5 End-of-Year Examination Paper 2 Q9",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Siti had a total of 20 pieces of two-dollar and five-dollar notes. Peter had 13 pieces of two-dollar notes and 10 pieces of five-dollar notes. Peter had \\$12 more than Siti.<br>(a) What was the amount of money Peter had? \\$[?]<br>(b) How many two-dollar notes did Siti have? [?]",
    "answer0": "76",
    "answer1": "12",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "St. Hilda's 2025 P5 End-of-Year Examination Paper 2 Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "May's monthly salary is \\$4200. She spends 10% of her monthly salary on transport, 30% of it on food and saves the rest.<br>(a) How much money does she save each month? \\$[?]<br>(b) How much more money does she spend on food than transport? \\$[?]",
    "answer0": "2520",
    "answer1": "840",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "St. Hilda's 2025 P5 End-of-Year Examination Paper 2 Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Alicia had some money at first. She spent \\$12.60 on 3 notebooks and 6 pencils. She wanted to buy another notebook, but was short of \\$0.80. Instead, she bought 1 more pencil and had \\$0.70 left.<br>(a) What was the cost of one notebook? \\$[?]<br>(b) How much money did Alicia have at first? \\$[?]",
    "answer0": "2.40",
    "answer1": "14.20",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "St Hilda's 2025 P5 Weighted Assessment 3 Paper 1 Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The usual price of a pair of running shoes was \\$250. Aly bought it and had to pay 9% GST. What was the price of the running shoes including GST? Ans: \\$[?]",
    "answer0": "272.50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "St Hilda's 2025 P5 Weighted Assessment 3 Paper 2 Q4",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The advertisement shows the admission fees to Happy Theme Park.<br>Tickets at \\$22.50 each. \\$10 discount for every 4 tickets.<br>Mr Arif brought a group of tourists to the park. He paid \\$307.50 for the admission fees. How many tickets did he buy? Ans: [?]",
    "answer0": "15",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "St Nicholas 2023 P5 End-of-Year Exam Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "A sandwich costs \\$6.05. Leonard bought 4 such sandwiches and had \\$1.85 left. How much money did he have before buying the 4 sandwiches?",
    "answer0": "$4.20",
    "answer1": "$7.90",
    "answer2": "$22.35",
    "answer3": "$26.05",
    "correct_answer": 3,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "St Nicholas 2023 P5 End-of-Year Exam Q13",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "A store charges the following rates for the order of T-shirts: first 15 pieces at \\$6 per piece, every additional piece at \\$4 per piece. What is the cost of ordering 50 pieces of T-shirts?",
    "answer0": "$200",
    "answer1": "$230",
    "answer2": "$270",
    "answer3": "$300",
    "correct_answer": 1,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "St Nicholas 2023 P5 End-of-Year Exam Q19",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mrs Cheah bought an iron which included a GST of 7%. The price of the iron before GST was \\$90. How much did she pay for the iron? Ans: \\$ [?]",
    "answer0": "96.30",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "St Nicholas 2023 P5 End-of-Year Exam Q27",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The bar graph shows the number of pupils who donated to charity over 4 days. The bar representing Day 4 has not been drawn. Day 1 = 50, Day 2 = 60, Day 3 = 30. Over the 4 days, all the pupils donated a total amount of \\$460. Each pupil donated \\$2. How many pupils donated on Day 4? [?]",
    "answer0": "90",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "St Nicholas 2023 P5 End-of-Year Exam Q37",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Cecily and Nadine shared the total cost of a handbag. Cecily paid \\$39 more than \\(\\dfrac{4}{9}\\) of the total cost of the handbag. Nadine paid \\$186. How much did the handbag cost? Ans: \\$ [?]",
    "answer0": "4065",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "St Nicholas 2023 P5 End-of-Year Exam Q38",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The table shows the charges for renting a bicycle: Mon to Fri 9 a.m. to 8 p.m. \\$11 per hour; Sat and Sun 8 a.m. to 4 p.m. \\$14 per hour, 4 p.m. to 7 p.m. \\$15 per hour.<br>(a) Lei Xin rented a bicycle from 9 a.m. to 12 noon on Thursday. How much did she pay? Ans: \\$ [?]<br>(b) On Sunday, Deric rented a bicycle and returned it at 5 p.m. He paid a total amount of \\$71. How many hours did he rent the bicycle? Ans: [?]",
    "answer0": "33",
    "answer1": "5",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "St Nicholas 2023 P5 End-of-Year Exam Q42",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "At Doughnut Empire, each doughnut is sold at \\$1.10 or in a box of 11 for \\$8.90. Mrs Kor wants to buy exactly 208 doughnuts. What is the least amount of money that she needs to pay for the doughnuts? Ans: \\$ [?]",
    "answer0": "171.20",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "St Nicholas 2023 P5 Weighted Assessment 2 Q5",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Ning Hui saved the same amount of money every week for 9 weeks. With the total amount of money saved in the 9 weeks, she bought a pair of shoes that cost \\$142.35. She had \\$7.50 left in the end. How much money did Ning Hui save every week? \\$[?]",
    "answer0": "16.65",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "St Nicholas 2023 P5 Weighted Assessment 2 Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Olivia and Patricia bought some gift cards at the prices shown: Small cards are 3 for \\$5; Large cards are 2 for \\$7.<br>(a) Olivia spent a total of \\$36 on some small and large gift cards. How many small gift cards did Olivia buy? [?]<br>(b) Patricia bought an equal number of small and large gift cards. She spent \\$33 more on the large cards. How many small and large gift cards did Patricia buy altogether? [?]",
    "answer0": "9",
    "answer1": "36",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 4 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2022 P5 Semestral Assessment 2 Q27",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The total cost of 2 chairs and 1 table is \\$210. The total cost of 1 chair and 2 tables is \\$285. What is the cost of 1 chair? [?]",
    "answer0": "45",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2022 P5 Semestral Assessment 2 Q29",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The cost of a pen is \\$1.80. Siti buys 40 such pens and gives the cashier \\$100. How much change does Siti get? [?]",
    "answer0": "28",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2022 P5 Semestral Assessment 2 P2 Q9",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Billy took up a part-time job and was paid by the rates: Monday to Friday \\$8 per hour, Saturday and Sunday \\$9.50 per hour. Billy worked 7 hours each day on some weekdays and 5 hours on a Saturday. He was paid \\$271.50 altogether. How many weekdays did he work? [?]",
    "answer0": "4",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2022 P5 Semestral Assessment 2 P2 Q17",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "During an overseas vacation, Rita and Sarah had the same amount of allowance. Each day, Rita spent \\$4 and Sarah spent \\$6. At the end of the vacation, Sarah had \\$12 left, while Rita had 4 times as much money as Sarah.<br>a) How many days did the vacation last? [?]<br>b) How much was each girl's allowance at first? [?]",
    "answer0": "18",
    "answer1": "120",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2022 P5 Weighted Assessment 1 Q3",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "\\$90 - (6 + 18 \\div 3) \\times 4 =\\$ [?]",
    "answer0": "42",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2022 P5 Weighted Assessment 1 Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "A school bought 25 tables and chairs. A table cost \\$120 and a chair cost \\$80. The school paid a total of \\$2480.<br>a) How many tables were bought? [?]<br>b) How many chairs were bought? [?]",
    "answer0": "12",
    "answer1": "13",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2022 P5 WA2 Q15",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Sharon was shopping for snacks for her goodie bags. She spent \\$42.50 altogether. She filled her goodie bags with chocolates and sweets. Each chocolate cost \\$2.70 and each sweet cost \\$1.40 less than the chocolate. There were 5 more sweets than chocolates. How many sweets were there altogether? [?]",
    "answer0": "14",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2023 P5 End-of-Year Exam Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Bala has \\$1200. He saves \\$800 and spends the remainder. What fraction of his savings is his spending?",
    "answer0": "\\(\\dfrac{1}{3}\\)",
    "answer1": "\\(\\dfrac{2}{5}\\)",
    "answer2": "\\(\\dfrac{1}{2}\\)",
    "answer3": "\\(\\dfrac{2}{3}\\)",
    "correct_answer": 2,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2023 P5 End-of-Year Exam Paper2 Q2",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Peter was given a sum of money. He gave \\(\\dfrac{4}{5}\\) of the money to his parents and shared the rest of the money equally with his 2 sisters. His parents received \\$240. How much did Peter receive in the end? Ans: \\$[?]",
    "answer0": "20",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2023 P5 End-of-Year Exam Paper2 Q8",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Ali needs 1 full tank of spring water for a gardening job. Given that 1 ℓ of spring water costs \\$0.65, how much money does Ali need for a tank measuring 100 cm by 80 cm by 50 cm? Ans: \\$[?]",
    "answer0": "260",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2023 P5 End-of-Year Exam Paper2 Q9",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Shelby took a bank loan of \\$90 000 to buy a car. The bank charged him an interest rate of 5% per year. He paid the loan in equal monthly payments over 2 years. What was the amount he had to pay each month? Ans: \\$[?]",
    "answer0": "4125",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2023 P5 End-of-Year Exam Paper2 Q17",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Caili and Deepa had different amounts of money. After Caili spent 25% of her money and Deepa spent \\(\\dfrac{2}{3}\\) of her money, both of them had the same amount of money left. The total amount of money left was \\$480. Find the total amount of money they had at first. Ans: \\$[?]",
    "answer0": "1040",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2023 P5 Weighted Assessment 2 Q3",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "John and his 29 friends share \\$9 equally. How much will each person get? \\$[?]",
    "answer0": "0.30",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2024 P5 End-of-Year Exam Q10",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Ahmad had \\$200. He spent \\$60 on a bag and saved the rest of the money. What percentage of his money did Ahmad save?",
    "answer0": "70%",
    "answer1": "60%",
    "answer2": "30%",
    "answer3": "40%",
    "correct_answer": 0,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2024 P5 End-of-Year Exam Q37",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mr Low took a taxi from home to his office. His taxi fare was based on the charges shown: First 1 km costs \\$4.40; every additional 500 m or less costs \\$0.35. Mr Low travelled 3.4 km. How much was his taxi fare? [?]",
    "answer0": "6.15",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2024 P5 End-of-Year Exam Q38",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mdm Su paid \\$26.40 for 15 pairs of scissors and 9 pencils. The total cost of a pair of scissors and a pencil was \\$2.40. Find the cost of a pair of scissors. [?]",
    "answer0": "0.80",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2024 P5 End-of-Year Exam Q43",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 0,
    "question": "The interest rates Rise Bank and Shine Bank pay on amounts deposited are shown. Rise Bank: up to \\$50 000 → 1% per year, above \\$50 000 → 2.5% per year. Shine Bank: up to \\$100 000 → 1.5% per year, above \\$100 000 → 2% per year. Mr Ali wants to deposit \\$90 000 into a bank. Which bank, Rise Bank or Shine Bank, should he deposit his money so that he will earn more interest at the end of one year? What is the difference in the amount of interest earned between the two banks?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2024 P5 End-of-Year Exam Q44",
    "fix_types": [
      "plain_text_fraction"
    ],
    "type_id": 0,
    "question": "The table shows the ferry schedule to Bintan Island (Indonesia) from Trust Marine Ferry Terminal (Singapore). BR Ferry: departs \\(12\\dfrac{10}{13}\\) 10, duration 1h 10min, sails Mon, Wed, Fri. Sinde Ferry: departs \\(12\\dfrac{20}{17}\\) 05, duration 2h, sails Mon, Thu, Fri. Majestic Ferry: departs \\(11\\dfrac{30}{13}\\) 10, duration 1h 40min, sails Tue, Wed. Fast Ferry: departs \\(08\\dfrac{10}{10}\\) 15, duration 1h 20min, sails Wed, Thu, Fri. Bintan (Indonesia) Time is one hour behind Singapore Time. Mrs Lim is planning a ferry ride to Bintan on a Wednesday. A local tour guide will pick her up at 13 30 (Bintan Time).<br>(a)(i) Which operator should she choose to arrive nearest to 1330 (Bintan time)?<br>(a)(ii) What will be the departure (Singapore Time) and arrival (Bintan Time) times of the ride?<br>(b) The local tour guide will have to wait at least 20 minutes if Mrs Lim chooses this operator. Which operator is it?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Plain-text fraction(s) wrapped as \\(\\dfrac{}{}\\)."
  },
  {
    "source": "Tao Nan 2024 P5 Weighted Assessment 1 Q12",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The graph shows the number of four types of chocolate bars sold in a supermarket. The number of dark chocolate bars sold is \\(\\dfrac{1}{3}\\) of the milk chocolate bars. Each bar of chocolate was sold at \\$2. How much did the supermarket earn from the sale of the chocolate bars?<br>\\$[?]",
    "answer0": "460",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2025 P5 End-of-Year Examination Paper 1 Q5",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 1,
    "question": "Mary had \\$200. She spent \\$160. What percentage of her money did she spend?",
    "answer0": "80%",
    "answer1": "60%",
    "answer2": "40%",
    "answer3": "20%",
    "correct_answer": 0,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2025 P5 End-of-Year Examination Paper 1 Q26",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Jenny wanted to buy 9 doughnuts (\\$3 each) and 6 cupcakes (\\$1 each) but she would need \\$2 more than what she had. So she bought 14 cupcakes and some doughnuts. What was the greatest number of doughnuts she could have bought?<br>[?]",
    "answer0": "5",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2025 P5 End-of-Year Examination Paper 1 Q27",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Mdm Wong deposits \\$6000 in a bank for one year. The interest rate is 2.5% per year. What is the total amount she will have in the bank at the end of one year?<br>\\$[?]",
    "answer0": "6150",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2025 P5 End-of-Year Examination Paper 2 Q5",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The line graph shows the fare a taxi company charges for the first 12 kilometres (e.g. \\$4 at 1 km rising to about \\$26 at 12 km). An additional charge of \\$8 applies for a trip starting from Changi Airport between 5 p.m. and before midnight, and \\$6 at all other times. Mrs Bala took a taxi from Changi Airport at 7 a.m. She paid \\$22 for her taxi ride. What was the distance she travelled?<br>[?] km",
    "answer0": "7",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 5 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2025 P5 End-of-Year Examination Paper 2 Q8a",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The price of a laptop before GST was \\$1800. What was the price of the laptop after adding 9% GST?<br>\\$[?]",
    "answer0": "1962",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2025 P5 End-of-Year Examination Paper 2 Q8b",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Anna bought the same laptop (before GST \\$1800) on sale at 20% discount from the Code Shop. As a Code Shop member, she was given a further 5% discount off the discounted price. How much did Anna pay for the laptop after adding 9% GST?<br>\\$[?]",
    "answer0": "1491.12",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2025 P5 End-of-Year Examination Paper 2 Q9a",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "The pie chart shows how Raju spent his money: Food is \\(\\dfrac{1}{2}\\), Toys is 10%, and Transport and Stationery make up the rest (Transport and Stationery together with Toys fill the upper half, with Transport and Toys separated by a right angle). Raju spent \\$42 on food. How much did he spend on transport?<br>\\$[?]",
    "answer0": "12.60",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2025 P5 End-of-Year Examination Paper 2 Q9b",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "Using the same pie chart (total money \\$84), Raju bought 8 identical pens with \\(\\dfrac{4}{7}\\) of the money spent on stationery. What was the cost of 1 pen?<br>\\$[?]",
    "answer0": "1.50",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2025 P5 Weighted Assessment 1 Q11",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "John spent \\$18.50 on some rulers and erasers. He bought 3 more rulers than erasers. A ruler costs \\$1.50 and an eraser costs \\$0.50. How many erasers did John buy? [?]",
    "answer0": "7",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 3 currency $ as \\$."
  },
  {
    "source": "Tao Nan 2025 P5 Weighted Assessment 1 Q14",
    "fix_types": [
      "dollar_as_math"
    ],
    "type_id": 2,
    "question": "In a shop, candles are only sold in boxes. A box of 7 short candles costs \\$2 and a box of 5 long candles costs \\$3.<br>(a) Xiao Ming needs 14 short candles and 15 long candles for his lanterns. How much will Xiao Ming need to spend on the candles? [?]<br>(b) What is the least amount of money that Susan needs to spend to buy 30 short candles and 24 long candles? [?]",
    "answer0": "13",
    "answer1": "25",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "Escaped 2 currency $ as \\$."
  }
]