{
  "paper": {
    "school": "Raffles Girls' Primary School",
    "year": 2022,
    "level": "P4",
    "label": "Weighted Assessment 3",
    "source_prefix": "Raffles Girls 2022 P4 Weighted Assessment 3",
    "has_answer_key": true,
    "notes": "PDF cover/answer-key title the paper 'Topical Test 10'; source_prefix kept as 'Weighted Assessment 3' per ingestion request. Topic: Tables and Line Graphs."
  },
  "questions": [
    {
      "n": 1,
      "type_id": 1,
      "question": "A group of children were asked to give their favourite beverage from a list of four types of beverage. Which type of beverage is more popular among the boys than the girls?",
      "answer0": "Bubble Tea",
      "answer1": "Fruit Juice",
      "answer2": "Milk",
      "answer3": "Soft Drinks",
      "correct_answer": 3,
      "skill_id": 147,
      "difficulty_id": 1,
      "explanation": "Compare boys vs girls for each drink. Bubble Tea: 14 boys < 15 girls. Fruit Juice: 6 < 11. Milk: 10 > 9 (boys more, by 1). Soft Drinks: 25 > 13 (boys more, by 12). Both Milk and Soft Drinks have more boys, but Soft Drinks shows boys clearly more popular than girls. Answer: Soft Drinks.",
      "hints": ["Look only at the Boys vs Girls columns for each drink.", "Find the drink where the Boys number is larger than the Girls number by the biggest margin."],
      "source": "Raffles Girls 2022 P4 Weighted Assessment 3 Q1",
      "image_needed": true,
      "image_options": false,
      "image_file": "q1.png",
      "image_page": 1,
      "image_bbox": [0.24, 0.38, 0.78, 0.52],
      "notes": "Shared table (Type of drinks / Boys / Girls) for Q1-Q4. Key = option 4 (Soft Drinks). Boys 25 vs Girls 13 is the clearest case of boys > girls."
    },
    {
      "n": 2,
      "type_id": 1,
      "question": "Which type of beverage is the least popular among the children?",
      "answer0": "Bubble Tea",
      "answer1": "Fruit Juice",
      "answer2": "Milk",
      "answer3": "Soft Drinks",
      "correct_answer": 1,
      "skill_id": 148,
      "difficulty_id": 1,
      "explanation": "Add boys and girls for each drink. Bubble Tea: 14+15=29. Fruit Juice: 6+11=17. Milk: 10+9=19. Soft Drinks: 25+13=38. The smallest total is 17, so Fruit Juice is least popular.",
      "hints": ["Add the Boys and Girls counts to get a total for each drink.", "The least popular drink has the smallest total."],
      "source": "Raffles Girls 2022 P4 Weighted Assessment 3 Q2",
      "image_needed": true,
      "image_options": false,
      "image_file": "q2.png",
      "image_page": 1,
      "image_bbox": [0.24, 0.38, 0.78, 0.52],
      "notes": "Uses the same Q1-Q4 table. Key = option 2 (Fruit Juice)."
    },
    {
      "n": 3,
      "type_id": 1,
      "question": "How many children chose milk as their favourite beverage?",
      "answer0": "10",
      "answer1": "9",
      "answer2": "19",
      "answer3": "20",
      "correct_answer": 2,
      "skill_id": 148,
      "difficulty_id": 1,
      "explanation": "Add the boys and girls who chose milk: 10 + 9 = 19 children.",
      "hints": ["'Children' means both boys and girls.", "Add the Milk row: boys + girls."],
      "source": "Raffles Girls 2022 P4 Weighted Assessment 3 Q3",
      "image_needed": true,
      "image_options": false,
      "image_file": "q3.png",
      "image_page": 1,
      "image_bbox": [0.24, 0.38, 0.78, 0.52],
      "notes": "Uses the same Q1-Q4 table. Key = option 3 (19)."
    },
    {
      "n": 4,
      "type_id": 1,
      "question": "How many more boys than girls were there in the whole group?",
      "answer0": "5",
      "answer1": "7",
      "answer2": "13",
      "answer3": "15",
      "correct_answer": 1,
      "skill_id": 148,
      "difficulty_id": 2,
      "explanation": "Total boys = 14 + 6 + 10 + 25 = 55. Total girls = 15 + 11 + 9 + 13 = 48. Difference = 55 - 48 = 7 more boys than girls.",
      "hints": ["Add up all the Boys, then add up all the Girls.", "Subtract the girls total from the boys total."],
      "source": "Raffles Girls 2022 P4 Weighted Assessment 3 Q4",
      "image_needed": true,
      "image_options": false,
      "image_file": "q4.png",
      "image_page": 1,
      "image_bbox": [0.24, 0.38, 0.78, 0.52],
      "notes": "Uses the same Q1-Q4 table (on page 1, question text on page 2). Key = option 2 (7)."
    },
    {
      "n": 5,
      "type_id": 1,
      "question": "The graph shows the number of books borrowed by some pupils during a week at the National library. On which day was the number of books borrowed four times that of those borrowed on Tuesday?",
      "answer0": "Wednesday",
      "answer1": "Thursday",
      "answer2": "Friday",
      "answer3": "Saturday",
      "correct_answer": 3,
      "skill_id": 148,
      "difficulty_id": 2,
      "explanation": "From the bar graph, Tuesday = 50 books. Four times that is 4 x 50 = 200 books. Saturday's bar reaches 200, so the answer is Saturday.",
      "hints": ["Read the Tuesday bar height first.", "Multiply it by 4, then find the day whose bar matches that value."],
      "source": "Raffles Girls 2022 P4 Weighted Assessment 3 Q5",
      "image_needed": true,
      "image_options": false,
      "image_file": "q5.png",
      "image_page": 2,
      "image_bbox": [0.18, 0.29, 0.82, 0.47],
      "notes": "Shared bar graph (books borrowed Mon-Sat) for Q5-Q8. Key = option 4 (Saturday)."
    },
    {
      "n": 6,
      "type_id": 1,
      "question": "How many more books were borrowed on Saturday than on Wednesday?",
      "answer0": "25",
      "answer1": "50",
      "answer2": "75",
      "answer3": "125",
      "correct_answer": 3,
      "skill_id": 148,
      "difficulty_id": 2,
      "explanation": "Saturday = 200 books, Wednesday = 75 books. 200 - 75 = 125 more books on Saturday.",
      "hints": ["Read the Saturday and Wednesday bar heights.", "Subtract the smaller from the larger."],
      "source": "Raffles Girls 2022 P4 Weighted Assessment 3 Q6",
      "image_needed": true,
      "image_options": false,
      "image_file": "q6.png",
      "image_page": 2,
      "image_bbox": [0.18, 0.29, 0.82, 0.47],
      "notes": "Uses the same Q5-Q8 bar graph. Key = option 4 (125)."
    },
    {
      "n": 7,
      "type_id": 1,
      "question": "If each pupil borrowed 5 books, how many pupils went to the National library on Friday?",
      "answer0": "21",
      "answer1": "25",
      "answer2": "120",
      "answer3": "125",
      "correct_answer": 1,
      "skill_id": 148,
      "difficulty_id": 2,
      "explanation": "Friday = 125 books borrowed. Each pupil borrowed 5 books, so number of pupils = 125 ÷ 5 = 25 pupils.",
      "hints": ["Read the Friday bar height (number of books).", "Divide the number of books by 5 books per pupil."],
      "source": "Raffles Girls 2022 P4 Weighted Assessment 3 Q7",
      "image_needed": true,
      "image_options": false,
      "image_file": "q7.png",
      "image_page": 2,
      "image_bbox": [0.18, 0.29, 0.82, 0.47],
      "notes": "Uses the same Q5-Q8 bar graph. Key = option 2 (25)."
    },
    {
      "n": 8,
      "type_id": 1,
      "question": "How many books were borrowed during the week?",
      "answer0": "100",
      "answer1": "400",
      "answer2": "500",
      "answer3": "600",
      "correct_answer": 2,
      "skill_id": 148,
      "difficulty_id": 2,
      "explanation": "Add all six bars: Mon 25 + Tue 50 + Wed 75 + Thur 25 + Fri 125 + Sat 200 = 500 books in the week.",
      "hints": ["Read every bar height for Mon to Sat.", "Add all six values together."],
      "source": "Raffles Girls 2022 P4 Weighted Assessment 3 Q8",
      "image_needed": true,
      "image_options": false,
      "image_file": "q8.png",
      "image_page": 2,
      "image_bbox": [0.18, 0.29, 0.82, 0.47],
      "notes": "Uses the same Q5-Q8 bar graph. Key = option 3 (500)."
    },
    {
      "n": 9,
      "type_id": 2,
      "question": "The table shows the Science test marks obtained by a class. If the passing mark is 50 marks, how many pupils failed the test? [?]",
      "answer0": "10",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 148,
      "difficulty_id": 2,
      "explanation": "Failing means scoring below 50, i.e. marks of 0-19, 20-39 and 40-49. Number of pupils = 1 + 4 + 5 = 10 pupils failed.",
      "hints": ["Failing means scoring less than 50 marks.", "Add the pupils in the 0-19, 20-39 and 40-49 columns."],
      "source": "Raffles Girls 2022 P4 Weighted Assessment 3 Q9",
      "image_needed": true,
      "image_options": false,
      "image_file": "q9.png",
      "image_page": 3,
      "image_bbox": [0.22, 0.25, 0.85, 0.33],
      "notes": "Shared marks-distribution table (Marks / No. of pupils) for Q9-Q12. Key: 1+4+5 = 10 pupils."
    },
    {
      "n": 10,
      "type_id": 2,
      "question": "If the passing mark is lowered to 40 marks, how many pupils passed the test? [?]",
      "answer0": "34",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 148,
      "difficulty_id": 2,
      "explanation": "Passing at 40 marks means scoring 40 or more: bands 40-49, 50-69, 70-89 and 90-100. Pupils = 5 + 14 + 11 + 4 = 34 pupils passed.",
      "hints": ["Passing now means scoring 40 marks or more.", "Add the 40-49, 50-69, 70-89 and 90-100 columns."],
      "source": "Raffles Girls 2022 P4 Weighted Assessment 3 Q10",
      "image_needed": true,
      "image_options": false,
      "image_file": "q10.png",
      "image_page": 3,
      "image_bbox": [0.22, 0.25, 0.85, 0.33],
      "notes": "Uses the same Q9-Q12 table. Key: 5+14+11+4 = 34 pupils."
    },
    {
      "n": 11,
      "type_id": 2,
      "question": "Pupils who scored less than 70 marks but more than 49 marks need to attend remedial class. How many pupils need to attend remedial class? [?]",
      "answer0": "14",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 148,
      "difficulty_id": 2,
      "explanation": "Less than 70 but more than 49 means marks from 50 to 69, which is the 50-69 band only. That band has 14 pupils, so 14 pupils attend remedial class.",
      "hints": ["'More than 49 but less than 70' covers marks 50 to 69.", "That matches just the 50-69 column."],
      "source": "Raffles Girls 2022 P4 Weighted Assessment 3 Q11",
      "image_needed": true,
      "image_options": false,
      "image_file": "q11.png",
      "image_page": 3,
      "image_bbox": [0.22, 0.25, 0.85, 0.33],
      "notes": "Uses the same Q9-Q12 table. Key: 50-69 band = 14 pupils."
    },
    {
      "n": 12,
      "type_id": 2,
      "question": "How many pupils scored 70 marks and above? [?]",
      "answer0": "15",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 148,
      "difficulty_id": 1,
      "explanation": "70 marks and above covers the 70-89 and 90-100 bands. Pupils = 11 + 4 = 15 pupils.",
      "hints": ["'70 and above' means the 70-89 and 90-100 columns.", "Add those two columns together."],
      "source": "Raffles Girls 2022 P4 Weighted Assessment 3 Q12",
      "image_needed": true,
      "image_options": false,
      "image_file": "q12.png",
      "image_page": 3,
      "image_bbox": [0.22, 0.25, 0.85, 0.33],
      "notes": "Uses the same Q9-Q12 table. Key: 11+4 = 15 pupils."
    },
    {
      "n": 13,
      "type_id": 1,
      "question": "The line graph shows the number of people in a restaurant on a Sunday. During which period was the decrease in the number of people the greatest?",
      "answer0": "12 noon to 1 p.m.",
      "answer1": "1 p.m. to 2 p.m.",
      "answer2": "2 p.m. to 3 p.m.",
      "answer3": "3 p.m. to 4 p.m.",
      "correct_answer": 2,
      "skill_id": 147,
      "difficulty_id": 2,
      "explanation": "Read the graph: 12 noon = 40, 1 p.m. = 60, 2 p.m. = 54, 3 p.m. = 38, 4 p.m. = 30. Decreases: 1-2 p.m. drops 6, 2-3 p.m. drops 16, 3-4 p.m. drops 8. The greatest decrease is 16, from 2 p.m. to 3 p.m.",
      "hints": ["A decrease is where the line slopes downward.", "Find the period where the line falls the most (biggest drop in number of people)."],
      "source": "Raffles Girls 2022 P4 Weighted Assessment 3 Q13",
      "image_needed": true,
      "image_options": false,
      "image_file": "q13.png",
      "image_page": 4,
      "image_bbox": [0.20, 0.21, 0.84, 0.46],
      "notes": "Original answer box is free-text 'p.m. to p.m.'; converted to MCQ of the four consecutive periods to avoid fragile exact-match grading. Key = 2 p.m. to 3 p.m. (option index 2)."
    },
    {
      "n": 14,
      "type_id": 2,
      "question": "The line graph shows the amount of money Hafiz spent over five days. He saved the rest of his money.<br>(a) How much more did he spend on Thursday than on Wednesday? $$$$[?]<br>(b) Hafiz earned $70 a day. Write down the days on which he saved more than he spent. [?] and [?]",
      "answer0": "45",
      "answer1": "Wednesday",
      "answer2": "Friday",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 148,
      "difficulty_id": 3,
      "explanation": "(a) From the graph, Thursday spending = $70 and Wednesday spending = $25. Difference = 70 - 25 = $45.<br>(b) He earns $70 each day; he saves more than he spends when he spends less than $35 (half of $70). Spending: Mon $35, Tue $40, Wed $25, Thur $70, Fri $32. Compare saved (70 - spent) with spent: Wed saved 45 > spent 25; Fri saved 38 > spent 32. So the days are Wednesday and Friday.",
      "hints": ["(a) Read the Thursday and Wednesday points, then subtract.", "(b) Saved = $70 - amount spent. 'Saved more than spent' means he spent less than $35."],
      "source": "Raffles Girls 2022 P4 Weighted Assessment 3 Q14",
      "image_needed": true,
      "image_options": false,
      "image_file": "q14.png",
      "image_page": 5,
      "image_bbox": [0.22, 0.17, 0.84, 0.41],
      "notes": "Two-part question. (a) numeric blank = 45 (dollars). (b) is a word answer of two days; key lists Wednesday and Friday. Two ordered [?] blanks hold the day names (answer1='Wednesday', answer2='Friday'). Note: part-(b) day words make exact-match grading sensitive; acceptable here as both day names are unambiguous."
    }
  ]
}
