{
  "paper": {
    "school": "Catholic High",
    "year": 2023,
    "level": "P3",
    "label": "End of Year Exam",
    "source_prefix": "Catholic High 2023 P3 End of Year Exam",
    "has_answer_key": true,
    "notes": "Answer key page labels TERM: SA2, but source page and filename say End of Year Exam; source_prefix follows the task instruction. 40 questions total: Section A Q1-15 MCQ, Section B Q16-35, Section C Q36-40."
  },
  "questions": [
    {
      "n": 1,
      "type_id": 1,
      "question": "What is three thousand, four hundred and forty in numerals?",
      "answer0": "3040",
      "answer1": "3400",
      "answer2": "3440",
      "answer3": "3444",
      "correct_answer": 2,
      "skill_id": 67,
      "difficulty_id": 1,
      "explanation": "3 thousands = 3000, 4 hundreds = 400, 4 tens = 40, giving 3440.",
      "hints": ["Break down the place values.", "3000 + 400 + 40 = 3440."],
      "source": "Catholic High 2023 P3 End of Year Exam Q1",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: option 3 (1-based) = 3440, index 2."
    },
    {
      "n": 2,
      "type_id": 1,
      "question": "What is the value of digit 6 in 7362?",
      "answer0": "6",
      "answer1": "60",
      "answer2": "600",
      "answer3": "6000",
      "correct_answer": 1,
      "skill_id": 66,
      "difficulty_id": 1,
      "explanation": "The 6 is in the tens place, so its value is 60.",
      "hints": ["Look at which place the 6 sits in.", "Tens place means value = 6 x 10."],
      "source": "Catholic High 2023 P3 End of Year Exam Q2",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: option 2 = 60, index 1."
    },
    {
      "n": 3,
      "type_id": 1,
      "question": "Which of the following numbers is the smallest even number?",
      "answer0": "2391",
      "answer1": "2392",
      "answer2": "2929",
      "answer3": "2930",
      "correct_answer": 1,
      "skill_id": 68,
      "difficulty_id": 2,
      "explanation": "Even numbers end in 0,2,4,6,8. Even options are 2392 and 2930; the smaller is 2392.",
      "hints": ["Identify which options are even.", "Then compare the even ones to find the smallest."],
      "source": "Catholic High 2023 P3 End of Year Exam Q3",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: option 2 = 2392, index 1."
    },
    {
      "n": 4,
      "type_id": 1,
      "question": "What is the remainder when 839 is divided by 5?",
      "answer0": "1",
      "answer1": "2",
      "answer2": "3",
      "answer3": "4",
      "correct_answer": 3,
      "skill_id": 74,
      "difficulty_id": 2,
      "explanation": "839 / 5 = 167 remainder 4 (167 x 5 = 835, 839 - 835 = 4).",
      "hints": ["Find the largest multiple of 5 not exceeding 839.", "835 is 5 x 167; 839 - 835 = 4."],
      "source": "Catholic High 2023 P3 End of Year Exam Q4",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: option 4 = 4, index 3."
    },
    {
      "n": 5,
      "type_id": 1,
      "question": "What is the sum of 1899 and 2760?",
      "answer0": "861",
      "answer1": "1139",
      "answer2": "4559",
      "answer3": "4659",
      "correct_answer": 3,
      "skill_id": 70,
      "difficulty_id": 1,
      "explanation": "1899 + 2760 = 4659.",
      "hints": ["Add the two numbers column by column.", "1899 + 2760 = 4659."],
      "source": "Catholic High 2023 P3 End of Year Exam Q5",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: option 4 = 4659, index 3."
    },
    {
      "n": 6,
      "type_id": 1,
      "question": "5 groups of 9 = ______.",
      "answer0": "5 + 9",
      "answer1": "9 / 5",
      "answer2": "9 x 9 x 9 x 9 x 9",
      "answer3": "9 + 9 + 9 + 9 + 9",
      "correct_answer": 3,
      "skill_id": 73,
      "difficulty_id": 1,
      "explanation": "5 groups of 9 means 9 added five times: 9 + 9 + 9 + 9 + 9.",
      "hints": ["'Groups of' means repeated addition.", "5 groups of 9 = 9 five times."],
      "source": "Catholic High 2023 P3 End of Year Exam Q6",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: option 4, index 3."
    },
    {
      "n": 7,
      "type_id": 1,
      "question": "Find the product of 312 and 6.",
      "answer0": "1872",
      "answer1": "318",
      "answer2": "306",
      "answer3": "52",
      "correct_answer": 0,
      "skill_id": 75,
      "difficulty_id": 1,
      "explanation": "312 x 6 = 1872.",
      "hints": ["Product means multiply.", "312 x 6 = 1872."],
      "source": "Catholic High 2023 P3 End of Year Exam Q7",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: option 1 = 1872, index 0."
    },
    {
      "n": 8,
      "type_id": 1,
      "question": "Name a pair of parallel lines in the square grid.",
      "answer0": "DF and BA",
      "answer1": "DF and AE",
      "answer2": "GF and AE",
      "answer3": "CH and BA",
      "correct_answer": 0,
      "skill_id": 100,
      "difficulty_id": 2,
      "explanation": "On the grid, DF and BA run in the same direction and never meet, so they are parallel.",
      "hints": ["Parallel lines never meet and have the same slope.", "Check which pair runs in the same direction on the grid."],
      "source": "Catholic High 2023 P3 End of Year Exam Q8",
      "image_needed": true,
      "image_page": 5,
      "image_loc": "top of page, below the question stem: square-grid figure with labelled points G, A, F, H, E, B, D, C and diagonal lines",
      "image_options": false,
      "image_file": "q8.png",
      "notes": "Key: option 1 = DF and BA, index 0. Figure required to identify the lines."
    },
    {
      "n": 9,
      "type_id": 1,
      "question": "3/8 - [?] = 1/4\nWhat is the missing fraction in the box?",
      "answer0": "1/2",
      "answer1": "1/3",
      "answer2": "1/8",
      "answer3": "5/8",
      "correct_answer": 2,
      "skill_id": 81,
      "difficulty_id": 2,
      "explanation": "1/4 = 2/8, so the box = 3/8 - 2/8 = 1/8.",
      "hints": ["Convert 1/4 to eighths.", "3/8 - 2/8 = 1/8."],
      "source": "Catholic High 2023 P3 End of Year Exam Q9",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: option 3 = 1/8, index 2. Equation stated inline as text (no figure needed)."
    },
    {
      "n": 10,
      "type_id": 1,
      "question": "There were 9000 spectators watching a football match. 856 of them were female spectators. How many male spectators were there?",
      "answer0": "8144",
      "answer1": "8154",
      "answer2": "8244",
      "answer3": "9856",
      "correct_answer": 0,
      "skill_id": 71,
      "difficulty_id": 2,
      "explanation": "9000 - 856 = 8144 male spectators.",
      "hints": ["Subtract the females from the total.", "9000 - 856 = 8144."],
      "source": "Catholic High 2023 P3 End of Year Exam Q10",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: option 1 = 8144, index 0."
    },
    {
      "n": 11,
      "type_id": 1,
      "question": "Which of these angles is an acute angle?",
      "answer0": "Angle a",
      "answer1": "Angle b",
      "answer2": "Angle c",
      "answer3": "Angle d",
      "correct_answer": 0,
      "skill_id": 99,
      "difficulty_id": 2,
      "explanation": "An acute angle is smaller than a right angle (less than 90 degrees). In the figure, angle a is the only acute one.",
      "hints": ["An acute angle is less than a right angle.", "Compare each marked angle against a square corner."],
      "source": "Catholic High 2023 P3 End of Year Exam Q11",
      "image_needed": true,
      "image_page": 6,
      "image_loc": "middle of page, below the question stem: house-shaped figure with marked angles a, b, c, d",
      "image_options": false,
      "image_file": "q11.png",
      "notes": "Key: option 1 = angle a, index 0. Figure required to see the angles."
    },
    {
      "n": 12,
      "type_id": 1,
      "question": "A bookshop sold a highlighter and a pen for $3. Claire bought 6 highlighters and 6 pens. How much did Claire pay altogether?",
      "answer0": "$12",
      "answer1": "$15",
      "answer2": "$18",
      "answer3": "$36",
      "correct_answer": 2,
      "skill_id": 76,
      "difficulty_id": 2,
      "explanation": "1 highlighter + 1 pen = $3. 6 sets cost 6 x $3 = $18.",
      "hints": ["One highlighter and one pen together cost $3.", "She bought 6 such pairs: 6 x $3."],
      "source": "Catholic High 2023 P3 End of Year Exam Q12",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: option 3 = $18, index 2."
    },
    {
      "n": 13,
      "type_id": 1,
      "question": "Figure ABCD is made up of identical rectangles. What fraction of ABCD is not shaded?",
      "answer0": "5/7",
      "answer1": "7/12",
      "answer2": "1/2",
      "answer3": "5/12",
      "correct_answer": 1,
      "skill_id": 42,
      "difficulty_id": 2,
      "explanation": "ABCD has 12 identical rectangles; 5 are shaded, so 7 are not shaded = 7/12.",
      "hints": ["Count the total identical rectangles.", "Count how many are NOT shaded over the total."],
      "source": "Catholic High 2023 P3 End of Year Exam Q13",
      "image_needed": true,
      "image_page": 7,
      "image_loc": "below the question stem: rectangle ABCD divided into a grid of identical rectangles with some shaded",
      "image_options": false,
      "image_file": "q13.png",
      "notes": "Key: option 2 = 7/12, index 1. 12 rectangles total, 5 shaded, 7 unshaded. Figure required."
    },
    {
      "n": 14,
      "type_id": 1,
      "question": "How many minutes are there in 3 h 15 min?",
      "answer0": "15 minutes",
      "answer1": "180 minutes",
      "answer2": "195 minutes",
      "answer3": "315 minutes",
      "correct_answer": 2,
      "skill_id": 91,
      "difficulty_id": 1,
      "explanation": "3 h = 180 min; 180 + 15 = 195 minutes.",
      "hints": ["1 hour = 60 minutes.", "3 x 60 + 15 = 195."],
      "source": "Catholic High 2023 P3 End of Year Exam Q14",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: option 3 = 195 minutes, index 2."
    },
    {
      "n": 15,
      "type_id": 1,
      "question": "A glass of orange juice costs $2.50 and a glass of lemon juice costs $1.80. Claire bought 2 glasses of orange juice and a glass of lemon juice. How much did she pay?",
      "answer0": "$4.30",
      "answer1": "$5.00",
      "answer2": "$6.10",
      "answer3": "$6.80",
      "correct_answer": 3,
      "skill_id": 83,
      "difficulty_id": 2,
      "explanation": "2 x $2.50 = $5.00; $5.00 + $1.80 = $6.80.",
      "hints": ["Find the cost of 2 orange juices first.", "$5.00 + $1.80 = $6.80."],
      "source": "Catholic High 2023 P3 End of Year Exam Q15",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: option 4 = $6.80, index 3."
    },
    {
      "n": 16,
      "type_id": 2,
      "question": "Express 6/9 in its simplest form.",
      "answer0": "2/3",
      "correct_answer": null,
      "skill_id": 78,
      "difficulty_id": 1,
      "explanation": "Divide numerator and denominator by 3: 6/9 = 2/3.",
      "hints": ["Find the common factor of 6 and 9.", "Both divide by 3."],
      "source": "Catholic High 2023 P3 End of Year Exam Q16",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 2/3."
    },
    {
      "n": 17,
      "type_id": 2,
      "question": "Complete the following number pattern.\n1750, 1850, 1950, [?], 2150, 2250",
      "answer0": "2050",
      "correct_answer": null,
      "skill_id": 69,
      "difficulty_id": 1,
      "explanation": "The pattern increases by 100 each time: 1950 + 100 = 2050.",
      "hints": ["Find the step between consecutive numbers.", "Each term is 100 more than the previous."],
      "source": "Catholic High 2023 P3 End of Year Exam Q17",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 2050."
    },
    {
      "n": 18,
      "type_id": 2,
      "question": "7 m 4 cm = [?] cm",
      "answer0": "704",
      "correct_answer": null,
      "skill_id": 86,
      "difficulty_id": 2,
      "explanation": "7 m = 700 cm; 700 + 4 = 704 cm.",
      "hints": ["1 m = 100 cm.", "7 x 100 + 4 = 704."],
      "source": "Catholic High 2023 P3 End of Year Exam Q18",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 704 cm. Answer blank already prints unit cm."
    },
    {
      "n": 19,
      "type_id": 2,
      "question": "Find the difference between 2270 and 1654.",
      "answer0": "616",
      "correct_answer": null,
      "skill_id": 71,
      "difficulty_id": 1,
      "explanation": "2270 - 1654 = 616.",
      "hints": ["Difference means subtract.", "2270 - 1654 = 616."],
      "source": "Catholic High 2023 P3 End of Year Exam Q19",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 616."
    },
    {
      "n": 20,
      "type_id": 2,
      "question": "Find the area of the square.",
      "answer0": "64",
      "correct_answer": null,
      "skill_id": 97,
      "difficulty_id": 1,
      "explanation": "Area of square = side x side = 8 cm x 8 cm = 64 cm2.",
      "hints": ["Area of a square = side x side.", "8 x 8 = 64."],
      "source": "Catholic High 2023 P3 End of Year Exam Q20",
      "image_needed": true,
      "image_page": 10,
      "image_loc": "below the question stem: a square with side labelled 8 cm",
      "image_options": false,
      "image_file": "q20.png",
      "notes": "Key: 64 cm2. Answer blank already prints unit cm2; side length 8 cm shown in figure."
    },
    {
      "n": 21,
      "type_id": 2,
      "question": "What is the missing number in the box?\n3/4 = [?]/12",
      "answer0": "9",
      "correct_answer": null,
      "skill_id": 80,
      "difficulty_id": 1,
      "explanation": "Multiply numerator and denominator by 3: 3/4 = 9/12.",
      "hints": ["4 x 3 = 12, so multiply the numerator by 3 too.", "3 x 3 = 9."],
      "source": "Catholic High 2023 P3 End of Year Exam Q21",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 9. Equation stated inline as text."
    },
    {
      "n": 22,
      "type_id": 2,
      "question": "Arrange the following fractions in order. Begin with the greatest.\n7/10, 2/5, 1/2",
      "answer0": "7/10",
      "answer1": "1/2",
      "answer2": "2/5",
      "correct_answer": null,
      "skill_id": 79,
      "difficulty_id": 2,
      "explanation": "Convert to tenths: 7/10, 1/2 = 5/10, 2/5 = 4/10. Greatest to smallest: 7/10, 1/2, 2/5.",
      "hints": ["Give all fractions a common denominator of 10.", "Compare 7/10, 5/10, 4/10."],
      "source": "Catholic High 2023 P3 End of Year Exam Q22",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Ordering task -> FIB with one blank per position, greatest first. Key: 7/10, 1/2, 2/5."
    },
    {
      "n": 23,
      "type_id": 2,
      "question": "What is the quotient when 918 is divided by 7?",
      "answer0": "131",
      "correct_answer": null,
      "skill_id": 75,
      "difficulty_id": 2,
      "explanation": "918 / 7 = 131 remainder 1; the quotient is 131.",
      "hints": ["Quotient is the whole-number result of the division.", "131 x 7 = 917, so quotient is 131."],
      "source": "Catholic High 2023 P3 End of Year Exam Q23",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 131."
    },
    {
      "n": 24,
      "type_id": 2,
      "question": "The difference between two numbers is 785. The bigger number is 1072. What is the other number?",
      "answer0": "287",
      "correct_answer": null,
      "skill_id": 71,
      "difficulty_id": 2,
      "explanation": "1072 - 785 = 287.",
      "hints": ["The smaller number = bigger - difference.", "1072 - 785 = 287."],
      "source": "Catholic High 2023 P3 End of Year Exam Q24",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 287."
    },
    {
      "n": 25,
      "type_id": 2,
      "question": "A digit is missing from the box. What is the missing digit?",
      "answer0": "7",
      "correct_answer": null,
      "skill_id": 70,
      "difficulty_id": 3,
      "explanation": "23[?]7 + 3185 = 5562. Working back: the tens column gives [?] + 8 = 6 (with carry) -> [?] = 7. Check 2377 + 3185 = 5562.",
      "hints": ["Work column by column from the right, tracking carries.", "The missing digit is in the tens place of the top number."],
      "source": "Catholic High 2023 P3 End of Year Exam Q25",
      "image_needed": true,
      "image_page": 12,
      "image_loc": "centre of page: vertical column addition 2 3 [?] 7 + 3 1 8 5 = 5 5 6 2 with the unknown digit boxed",
      "image_options": false,
      "image_file": "q25.png",
      "notes": "Key: 7. Column-addition layout shown as a figure; answer is the single missing digit."
    },
    {
      "n": 26,
      "type_id": 2,
      "question": "Derrick and Evan shared some stickers equally. After Derrick gave Evan 47 stickers, how many more stickers does Evan have than Derrick?",
      "answer0": "94",
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 3,
      "explanation": "They started equal. Giving away 47 makes Derrick 47 fewer and Evan 47 more, so the gap is 47 + 47 = 94 stickers.",
      "hints": ["They began with equal amounts.", "Each transfer changes the gap by twice the amount given: 47 x 2."],
      "source": "Catholic High 2023 P3 End of Year Exam Q26",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 94 stickers."
    },
    {
      "n": 27,
      "type_id": 2,
      "question": "How many fewer trading cards does Miguel have compared than Lennon?",
      "answer0": "19",
      "correct_answer": null,
      "skill_id": 104,
      "difficulty_id": 2,
      "explanation": "From the bar graph, Lennon has 35 and Miguel has 16; 35 - 16 = 19.",
      "hints": ["Read both bars off the graph.", "Subtract Miguel's value from Lennon's."],
      "source": "Catholic High 2023 P3 End of Year Exam Q27",
      "image_needed": true,
      "image_page": 13,
      "image_loc": "top of page above Q27: horizontal bar graph titled 'Trading Cards Owned' for Miguel, Lennon, Karl, James (x-axis Number of trading cards 0-40)",
      "image_options": false,
      "image_file": "q27.png",
      "notes": "Key: 19 fewer trading cards. Bar graph shared by Q27 and Q28 (Miguel 16, Lennon 35, Karl 30, James 23)."
    },
    {
      "n": 28,
      "type_id": 2,
      "question": "How many trading cards do the 4 boys have altogether?",
      "answer0": "104",
      "correct_answer": null,
      "skill_id": 104,
      "difficulty_id": 2,
      "explanation": "From the bar graph: 16 + 35 + 30 + 23 = 104.",
      "hints": ["Read all four bars.", "Add the four values together."],
      "source": "Catholic High 2023 P3 End of Year Exam Q28",
      "image_needed": true,
      "image_page": 13,
      "image_loc": "top of page (same bar graph as Q27): horizontal bar graph 'Trading Cards Owned' for Miguel, Lennon, Karl, James",
      "image_options": false,
      "image_file": "q28.png",
      "notes": "Key: 104 trading cards. Same bar graph as Q27 (Miguel 16, Lennon 35, Karl 30, James 23)."
    },
    {
      "n": 29,
      "type_id": 2,
      "question": "When a number is divided by 4, it has a remainder of 2. The number is between 20 and 25. What is the number?",
      "answer0": "22",
      "correct_answer": null,
      "skill_id": 74,
      "difficulty_id": 2,
      "explanation": "Multiples of 4 between 20 and 25 plus 2: 20 + 2 = 22, which is between 20 and 25.",
      "hints": ["List multiples of 4 near the range, then add 2.", "20 + 2 = 22."],
      "source": "Catholic High 2023 P3 End of Year Exam Q29",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 22."
    },
    {
      "n": 30,
      "type_id": 2,
      "question": "100 g of cherries cost $2. What is the cost of 1 kg of cherries?",
      "answer0": "20",
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 2,
      "explanation": "1 kg = 1000 g = 10 lots of 100 g; 10 x $2 = $20.",
      "hints": ["1 kg = 1000 g, which is ten 100-g portions.", "10 x $2 = $20."],
      "source": "Catholic High 2023 P3 End of Year Exam Q30",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 20. Answer blank prints '$' so the value is 20 (dollars)."
    },
    {
      "n": 31,
      "type_id": 2,
      "question": "Find the mass of the bag of sugar.",
      "answer0": "1",
      "answer1": "250",
      "correct_answer": null,
      "skill_id": 85,
      "difficulty_id": 2,
      "explanation": "The weighing-scale pointer reads 1 kg 250 g.",
      "hints": ["Read the scale pointer carefully.", "Each small mark between kg numbers is a fraction of a kg (250 g)."],
      "source": "Catholic High 2023 P3 End of Year Exam Q31",
      "image_needed": true,
      "image_page": 14,
      "image_loc": "below the question stem: a bag labelled 'Sugar' on a dial weighing scale graduated in kg (0-3)",
      "image_options": false,
      "image_file": "q31.png",
      "notes": "Key: 1 kg 250 g. Answer blank format is '___ kg ___ g' -> answer0=1 (kg), answer1=250 (g). Scale dial figure required."
    },
    {
      "n": 32,
      "type_id": 2,
      "question": "A shopkeeper had 297 story books. He wanted to pack them equally into 8 boxes. How many story books were left unpacked?",
      "answer0": "1",
      "correct_answer": null,
      "skill_id": 74,
      "difficulty_id": 2,
      "explanation": "297 / 8 = 37 remainder 1; 1 book is left unpacked.",
      "hints": ["Divide 297 by 8 and look at the remainder.", "37 x 8 = 296, so 1 is left over."],
      "source": "Catholic High 2023 P3 End of Year Exam Q32",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 1."
    },
    {
      "n": 33,
      "type_id": 2,
      "question": "Figure EFGH is made up of 3 identical rectangles. Find the perimeter of figure EFGH.",
      "answer0": "30",
      "correct_answer": null,
      "skill_id": 96,
      "difficulty_id": 3,
      "explanation": "Each small rectangle is 6 cm by 3 cm. EFGH is 3 such rectangles stacked, so it is 6 cm wide and 9 cm tall: perimeter = 2 x (6 + 9) = 30 cm.",
      "hints": ["Work out the width and total height of figure EFGH.", "Perimeter = 2 x (width + height)."],
      "source": "Catholic High 2023 P3 End of Year Exam Q33",
      "image_needed": true,
      "image_page": 15,
      "image_loc": "below the question stem: figure EFGH (3 stacked identical rectangles) with EF = 6 cm and one rectangle height 3 cm marked",
      "image_options": false,
      "image_file": "q33.png",
      "notes": "Key: 30 cm. Answer blank prints unit cm. EF = 6 cm, each rectangle 3 cm tall."
    },
    {
      "n": 34,
      "type_id": 2,
      "question": "Laurence took 1 h 55 min to finish his homework. He ended at 2.15 p.m. What time did he start doing his homework?",
      "answer0": "12.20",
      "correct_answer": null,
      "skill_id": 92,
      "difficulty_id": 2,
      "explanation": "2.15 p.m. minus 1 h 55 min: 2.15 - 1 h = 1.15 p.m.; 1.15 - 55 min = 12.20 p.m.",
      "hints": ["Subtract the hours first, then the minutes.", "2.15 - 1 h 55 min = 12.20 p.m."],
      "source": "Catholic High 2023 P3 End of Year Exam Q34",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 12.20 p.m. Answer blank prints 'p.m.' so value entered is 12.20."
    },
    {
      "n": 35,
      "type_id": 2,
      "question": "Jacob bought 9 packets of potato chips. He planned to eat a packet every 3 days. How many days would he take to finish eating all the packets of potato chips?",
      "answer0": "27",
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 2,
      "explanation": "9 packets x 3 days each = 27 days.",
      "hints": ["Each packet lasts 3 days.", "9 x 3 = 27."],
      "source": "Catholic High 2023 P3 End of Year Exam Q35",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 27 days."
    },
    {
      "n": 36,
      "type_id": 2,
      "question": "Rita collected some beads. She gave 45 of them away and packed the remaining beads into 5 bags. There were 67 beads in each bag. How many beads did Rita collect?",
      "answer0": "380",
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 3,
      "explanation": "5 bags x 67 = 335 remaining beads; add the 45 given away: 335 + 45 = 380.",
      "hints": ["First find the beads in the bags: 5 x 67.", "Then add back the 45 she gave away."],
      "source": "Catholic High 2023 P3 End of Year Exam Q36",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 5 x 67 = 335; 335 + 45 = 380 beads. [3 marks]"
    },
    {
      "n": 37,
      "type_id": 2,
      "question": "The capacity of a beaker is 240 ml. 2 such beakers of water can fill a jug completely. 6 such jugs of water can fill a tank completely. What is the capacity of the tank? Write your answer in litres and millilitres.",
      "answer0": "2",
      "answer1": "880",
      "correct_answer": null,
      "skill_id": 87,
      "difficulty_id": 3,
      "explanation": "1 jug = 2 x 240 = 480 ml; tank = 6 x 480 = 2880 ml = 2 L 880 ml.",
      "hints": ["Find the jug capacity, then the tank capacity.", "2880 ml = 2 L 880 ml."],
      "source": "Catholic High 2023 P3 End of Year Exam Q37",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 240 x 12 = 2880 ml = 2 L 880 ml. Answer in litres and ml -> answer0=2 (L), answer1=880 (ml). [3 marks]"
    },
    {
      "n": 38,
      "type_id": 2,
      "question": "Mary, Laura and Joyce baked some cookies. Mary baked twice as many cookies as Joyce. Laura baked thrice as many cookies as Mary. Laura baked 405 more cookies than Joyce. How many cookies did Mary bake?",
      "answer0": "162",
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 3,
      "explanation": "Let Joyce = 1 unit. Mary = 2 units, Laura = 3 x Mary = 6 units. Laura - Joyce = 6 - 1 = 5 units = 405, so 1 unit = 81. Mary = 2 x 81 = 162.",
      "hints": ["Use units: Joyce = 1 unit, Mary = 2, Laura = 6.", "5 units = 405, so 1 unit = 81; Mary = 2 units."],
      "source": "Catholic High 2023 P3 End of Year Exam Q38",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 405 / 5 = 81; Mary = 81 x 2 = 162 cookies. [3 marks]"
    },
    {
      "n": 39,
      "type_id": 2,
      "question": "Alan had $50. He bought a pair of shorts and a blouse. A blouse cost $12 more than a pair of shorts. He received $2 change. How much did a pair of shorts cost?",
      "answer0": "18",
      "correct_answer": null,
      "skill_id": 83,
      "difficulty_id": 3,
      "explanation": "Spent = $50 - $2 = $48. Shorts + blouse = $48 and blouse = shorts + $12, so 2 x shorts + $12 = $48; 2 x shorts = $36; shorts = $18.",
      "hints": ["Find the total spent first ($50 - $2).", "Remove the extra $12, then split the rest equally."],
      "source": "Catholic High 2023 P3 End of Year Exam Q39",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 50-2=48; 48-12=36; 36/2=18; shorts cost $18. Answer value 18 (dollars). [3 marks]"
    },
    {
      "n": 40,
      "type_id": 2,
      "question": "Rectangles and dots are arranged to form the figures. Study the pattern of the figures.\na) Fill in the missing number of rectangles for Pattern 4.\nb) Fill in the missing number of dots for Pattern 4.\nc) How many dots are needed for Pattern 10?",
      "answer0": "4",
      "answer1": "9",
      "answer2": "21",
      "correct_answer": null,
      "skill_id": 69,
      "difficulty_id": 3,
      "explanation": "Number of rectangles equals the pattern number, so Pattern 4 = 4 rectangles. Dots = pattern number + rectangles + 1 = 2 x pattern + 1, so Pattern 4 = 2x4+1 = 9, Pattern 10 = 2x10+1 = 21.",
      "hints": ["Rectangles equal the pattern number.", "Dots increase by 2 each pattern: dots = 2 x pattern number + 1."],
      "source": "Catholic High 2023 P3 End of Year Exam Q40",
      "image_needed": true,
      "image_page": 21,
      "image_loc": "upper portion of page: Pattern 1, 2, 3 figures (rectangles with dots) above a 3-column table (Pattern Number / Number of rectangles / Number of dots)",
      "image_options": false,
      "image_file": "q40.png",
      "notes": "Key: a) 4 rectangles, b) 9 dots, c) 21 dots. Three blanks captured as answer0/1/2 (a, b, c). Pattern figures + table required."
    }
  ]
}
