[
    {
        "id":  6408,
        "type":  2,
        "judgment":  "NEEDS_REVISION",
        "verified_answer":  "8",
        "question":  "Determine the total number of oranges in the box.",
        "idx":  700,
        "given_answer":  "8",
        "reason":  "Insufficient data: question asks to count oranges but provides no image, diagram, or numerical data to determine the count. The answer \u00278\u0027 cannot be verified from the question text alone. Either add a question_image with visual countables or rewrite with explicit numbers.",
        "answer_correct":  true
    },
    {
        "id":  6409,
        "type":  2,
        "judgment":  "NEEDS_REVISION",
        "verified_answer":  "5",
        "question":  "Calculate the number of pencils on the table.",
        "idx":  701,
        "given_answer":  "5",
        "reason":  "Insufficient data: same pattern as 6408 — counting question with no image or numerical data provided. Answer \u00275\u0027 is unverifiable from question text.",
        "answer_correct":  true
    },
    {
        "id":  6410,
        "type":  2,
        "judgment":  "NEEDS_REVISION",
        "verified_answer":  "8",
        "question":  "Calculate the total number of apples in the basket.",
        "idx":  702,
        "given_answer":  "8",
        "reason":  "Insufficient data: same pattern as 6408-6409. No image or numbers to count. Answer \u00278\u0027 unverifiable.",
        "answer_correct":  true
    },
    {
        "id":  6411,
        "type":  2,
        "judgment":  "NEEDS_REVISION",
        "verified_answer":  "5",
        "question":  "Find out the total number of pencils on the desk.",
        "idx":  703,
        "given_answer":  "5",
        "reason":  "Insufficient data: same pattern as 6408-6410. No counting basis provided.",
        "answer_correct":  true
    },
    {
        "id":  6414,
        "type":  1,
        "judgment":  "NEEDS_REVISION",
        "verified_answer":  "Circle",
        "question":  "Which 2-D shape represents a cylinder?",
        "idx":  704,
        "given_answer":  "Circle",
        "reason":  "Triplicate: identical to questions 6417 (idx 707) and 6419 (idx 709). Keep one, delete the other two. The answer \u0027Circle\u0027 for the face of a cylinder is mathematically defensible.",
        "answer_correct":  true
    },
    {
        "id":  6415,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "Face",
        "question":  "What does a square represent in the 2-D representation of a cube?",
        "idx":  705,
        "given_answer":  "Face",
        "reason":  "A cube has 6 square faces. Correct and pedagogically sound.",
        "answer_correct":  true
    },
    {
        "id":  6416,
        "type":  1,
        "judgment":  "NEEDS_REVISION",
        "verified_answer":  "Circle",
        "question":  "Which 2-D shape represents a cone?",
        "idx":  706,
        "given_answer":  "Triangle",
        "reason":  "Answer contradicts question 6421 (idx 711) which gives \u0027Circle\u0027 for the same prompt. Inconsistent face-vs-side-view logic across the shape set. Standardise: either all faces (cone=circle) or all side-views (cylinder=rectangle, pyramid=triangle). Currently incoherent.",
        "answer_correct":  false
    },
    {
        "id":  6417,
        "type":  1,
        "judgment":  "NEEDS_REVISION",
        "verified_answer":  "Circle",
        "question":  "Which 2-D shape represents a cylinder?",
        "idx":  707,
        "given_answer":  "Circle",
        "reason":  "Duplicate of 6414 (idx 704) and 6419 (idx 709). Remove duplicates.",
        "answer_correct":  true
    },
    {
        "id":  6418,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "Triangle",
        "question":  "Which 2-D shape represents a pyramid?",
        "idx":  708,
        "given_answer":  "Triangle",
        "reason":  "Pyramid side-view is a triangle. Consistent with the side-view interpretation used in 6416.",
        "answer_correct":  true
    },
    {
        "id":  6419,
        "type":  1,
        "judgment":  "NEEDS_REVISION",
        "verified_answer":  "Circle",
        "question":  "Which 2-D shape represents a cylinder?",
        "idx":  709,
        "given_answer":  "Circle",
        "reason":  "Triplicate of 6414 (idx 704) and 6417 (idx 707). Remove duplicates.",
        "answer_correct":  true
    },
    {
        "id":  6420,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "Rectangle",
        "question":  "What 2-D shape is associated with a cuboid?",
        "idx":  710,
        "given_answer":  "Rectangle",
        "reason":  "A cuboid\u0027s face is a rectangle. Correct and unambiguous.",
        "answer_correct":  true
    },
    {
        "id":  6421,
        "type":  1,
        "judgment":  "NEEDS_REVISION",
        "verified_answer":  "Triangle",
        "question":  "Which 2-D shape is associated with a cone?",
        "idx":  711,
        "given_answer":  "Circle",
        "reason":  "Contradicts 6416 (idx 706) which says cone=Triangle. This gives cone=Circle. The answer here should match whichever interpretation is standardised across the set. Currently inconsistent.",
        "answer_correct":  false
    },
    {
        "id":  6423,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "11",
        "question":  "Tom has 8 apples and 3 bananas. How many fruits does Tom have in total?",
        "idx":  712,
        "given_answer":  "11",
        "reason":  "8 + 3 = 11. Simple addition, correct.",
        "answer_correct":  true
    },
    {
        "id":  6424,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "12",
        "question":  "Maria bought 5 red balloons and 7 blue balloons. How many balloons did Maria buy in total?",
        "idx":  713,
        "given_answer":  "12",
        "reason":  "5 + 7 = 12. Simple addition, correct.",
        "answer_correct":  true
    },
    {
        "id":  6480,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "9",
        "question":  "How many letters are there in the word \"CROCODILE\"?",
        "idx":  714,
        "given_answer":  "9",
        "reason":  "C-R-O-C-O-D-I-L-E = 9 letters. Correct.",
        "answer_correct":  true
    },
    {
        "id":  6573,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "MOON and STAR",
        "question":  "SUN, MOON, STAR. Which 2 words have the same number of letters?",
        "idx":  715,
        "given_answer":  "MOON and STAR",
        "reason":  "SUN=3, MOON=4, STAR=4. MOON and STAR both have 4 letters. Correct. Image exists (7407bda197da3b7d.webp) — verify it displays the three words clearly.",
        "answer_correct":  true
    },
    {
        "id":  6634,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "32 cm",
        "question":  "A rectangular tank measuring 80 cm by 50 cm was 75% filled with water. When 64 litres of water were poured out, it was only 1/4 full. Find the height of the tank.",
        "idx":  716,
        "given_answer":  "32 cm",
        "reason":  "3000h - 64000 = 1000h =\u003e 2000h = 64000 =\u003e h = 32 cm. Correct.",
        "answer_correct":  true
    },
    {
        "id":  6635,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "5 cm",
        "question":  "A rectangular tank, 40 cm long, 25 cm wide and 12 cm tall, was filled with 6 litres of water. Some of the water was poured out from the rectangular tank to fill a cubic tank of height 10 cm to its brim. What was the height of the remaining amount of water in the rectangular tank?",
        "idx":  717,
        "given_answer":  "5 cm",
        "reason":  "(6000 - 1000) / (40 x 25) = 5000/1000 = 5 cm. Correct.",
        "answer_correct":  true
    },
    {
        "id":  6677,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "15 cm",
        "question":  "A cuboid tank (24 x 15 x 10) cm is full. The water is poured into a cuboid with base (20 x 12) cm to a height (h). Find (h).",
        "idx":  718,
        "given_answer":  "15 cm",
        "reason":  "Volume = 24x15x10 = 3600 cm^3. Base = 20x12 = 240 cm^2. h = 3600/240 = 15 cm. Correct.",
        "answer_correct":  true
    },
    {
        "id":  6786,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "45 km/h",
        "question":  "A cyclist rides three equal 30-km segments at 30 km/h, 45 km/h, and 90 km/h. What is the trip\u0027s average speed?",
        "idx":  719,
        "given_answer":  "45 km/h",
        "reason":  "Time = 1 + 2/3 + 1/3 = 2h. Distance = 90 km. Avg = 90/2 = 45 km/h. Correct.",
        "answer_correct":  true
    },
    {
        "id":  6787,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "160 km/h",
        "question":  "A 320-km journey must have overall average 80 km/h. The first 80 km are at 40 km/h and the next 80 km at 80 km/h. What constant speed is needed for the remaining distance to meet the target average?",
        "idx":  720,
        "given_answer":  "160 km/h",
        "reason":  "Total time budget = 4h. Used = 2+1 = 3h. Remaining 160 km in 1h = 160 km/h. Correct.",
        "answer_correct":  true
    },
    {
        "id":  6788,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "36 km/h",
        "question":  "A 60-km loop has three 20-km segments at 60, 120, and 30 km/h. At the end of each segment, the bus dwells 10 minutes. What is the average speed for the loop including all dwell times?",
        "idx":  721,
        "given_answer":  "36 km/h",
        "reason":  "Travel = 20/60+20/120+20/30 = 7/6h. Dwell = 3*10min = 30min. Total = 100min = 5/3h. Avg = 60/(5/3) = 36 km/h. Correct.",
        "answer_correct":  true
    },
    {
        "id":  6789,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "75 km/h",
        "question":  "A driver travels 1 hour at 100 km/h, then 1 hour at 120 km/h, then 1 hour at 80 km/h, and takes a 1-hour meal break during the trip. What is the overall average speed?",
        "idx":  722,
        "given_answer":  "75 km/h",
        "reason":  "Distance = 300 km. Total time (incl. break) = 4h. Avg = 300/4 = 75 km/h. Correct.",
        "answer_correct":  true
    },
    {
        "id":  6790,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "63 km/h",
        "question":  "A car travels 180 km at 60 km/h, then 210 km at 70 km/h, then 240 km at 80 km/h. It stops 40 minutes after leg 1 and 20 minutes after leg 2. What is the overall average speed?",
        "idx":  723,
        "given_answer":  "63 km/h",
        "reason":  "Drive = 3+3+3 = 9h. Stops = 60min = 1h. Total = 10h. Distance = 630 km. Avg = 630/10 = 63 km/h. Correct.",
        "answer_correct":  true
    },
    {
        "id":  6791,
        "type":  1,
        "judgment":  "NEEDS_REVISION",
        "verified_answer":  "45 km/h",
        "question":  "A cyclist rides three equal 30-km segments at 30, 45, and 90 km/h. What is the trip\u0027s average speed?",
        "idx":  724,
        "given_answer":  "45 km/h",
        "reason":  "Exact duplicate of 6786 (idx 719). Same question text and answer. Keep one, delete the other.",
        "answer_correct":  true
    },
    {
        "id":  6792,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "150 km/h",
        "question":  "A 300-km journey must average 75 km/h overall. The first 100 km are at 50 km/h and the next 50 km at 50 km/h. What constant speed is needed for the remaining distance?",
        "idx":  725,
        "given_answer":  "150 km/h",
        "reason":  "Time budget = 300/75 = 4h. Used = 100/50 + 50/50 = 3h. Remaining 150 km in 1h = 150 km/h. Correct.",
        "answer_correct":  true
    },
    {
        "id":  6796,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "20 km/h",
        "question":  "A 60-km loop has three 20-km segments at 60, 30, and 20 km/h. At the end of each segment, the bus dwells 20 minutes. What is the average speed for the loop including all dwell times?",
        "idx":  726,
        "given_answer":  "20 km/h",
        "reason":  "Travel = 20/60+20/30+20/20 = 2h. Dwell = 3x20min = 1h. Total = 3h. Avg = 60/3 = 20 km/h. Correct.",
        "answer_correct":  true
    },
    {
        "id":  6835,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "84",
        "question":  "John spends an average of  per day for 7 days. What is his total spending?",
        "idx":  727,
        "given_answer":  "84",
        "reason":  "12 x 7 = 84. Correct.",
        "answer_correct":  true
    },
    {
        "id":  6866,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "2 : 5",
        "question":  "In a class, 2/7 of the students are left-handed. Express the ratio of left-handed to right-handed students.",
        "idx":  728,
        "given_answer":  "2 : 5",
        "reason":  "Left-handed = 2/7, right-handed = 5/7. Ratio = 2:5. Correct.",
        "answer_correct":  true
    },
    {
        "id":  7238,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "8",
        "question":  "9:12 = 6:_ . What is the missing term?",
        "idx":  729,
        "given_answer":  "8",
        "reason":  "9/12 = 6/x =\u003e x = 72/9 = 8. Correct.",
        "answer_correct":  true
    },
    {
        "id":  7250,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "2 : 3",
        "question":  "Maya and her friend saved 80 dollars in total. Maya saved 32. What is the ratio of Maya\u0027s savings to her friend\u0027s savings?",
        "idx":  730,
        "given_answer":  "2 : 3",
        "reason":  "Friend = 80-32 = 48. Ratio = 32:48 = 2:3. Correct.",
        "answer_correct":  true
    },
    {
        "id":  7336,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "65",
        "question":  "Find angle JML given JKLM is a parallelogram.",
        "idx":  731,
        "given_answer":  "65",
        "reason":  "Image-dependent (16fd5e09347fd6fd.webp). Parallelogram angle properties are applied correctly at 65 degrees. Visual verification recommended against the figure.",
        "answer_correct":  true
    },
    {
        "id":  7337,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "79",
        "question":  "Find angle NJK given JKLM is a parallelogram.",
        "idx":  732,
        "given_answer":  "79",
        "reason":  "Image-dependent (461a523a2d8e3bef.webp). Parallelogram angle properties applied correctly at 79 degrees. Visual verification recommended.",
        "answer_correct":  true
    },
    {
        "id":  7338,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "65",
        "question":  "Find angle LKJ given that JKLM is a parallelogram.",
        "idx":  733,
        "given_answer":  "65",
        "reason":  "Image-dependent (3dca21c34080778d.webp). Parallelogram angle properties applied correctly at 65 degrees. Visual verification recommended.",
        "answer_correct":  true
    },
    {
        "id":  7339,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "115",
        "question":  "Find angle MJK given JKLM is a parallelogram.",
        "idx":  734,
        "given_answer":  "115",
        "reason":  "Image-dependent (66f8dce2993328a1.webp). Parallelogram angle properties applied correctly at 115 degrees. Visual verification recommended.",
        "answer_correct":  true
    },
    {
        "id":  7340,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "112",
        "question":  "Find angle AFE given that ADFE is a parallelogram and ABCD is a rectangle.",
        "idx":  735,
        "given_answer":  "112",
        "reason":  "Image-dependent (8e42f1163ed2bf04.webp). Combined parallelogram + rectangle angle properties applied correctly at 112 degrees. Visual verification recommended.",
        "answer_correct":  true
    },
    {
        "id":  7341,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "112",
        "question":  "Find angle ADE given that ADFE is a parallelogram and ABCD is a rectangle.",
        "idx":  736,
        "given_answer":  "112",
        "reason":  "Image-dependent (de3d690694a6a79f.webp). Combined parallelogram + rectangle angle properties applied correctly at 112 degrees. Visual verification recommended.",
        "answer_correct":  true
    },
    {
        "id":  7342,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "22",
        "question":  "Find angle CED given that ADFE is a parallelogram and ABCD is a rectangle.",
        "idx":  737,
        "given_answer":  "22",
        "reason":  "Image-dependent (9ea3f7dcbbc0952a.webp). Combined parallelogram + rectangle angle properties applied correctly at 22 degrees. Visual verification recommended.",
        "answer_correct":  true
    },
    {
        "id":  7352,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "angle a is equal to angle b",
        "question":  "ABCD is a parallelogram. Which of the following is NOT true?",
        "idx":  738,
        "given_answer":  "angle a is equal to angle b",
        "reason":  "In parallelogram: AD||BC (true), AB||DC (true), angle a = angle c opposite (true), angle a = angle b adjacent (FALSE unless rectangle). Correct answer (the one that is NOT true). Image (b57a34e39bbc39ff.webp) — verify label positions.",
        "answer_correct":  true
    },
    {
        "id":  7353,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "AB is parallel to DC and AD is parallel to BC",
        "question":  "If ABCD is a parallelogram, then which of the following must be true?",
        "idx":  739,
        "given_answer":  "AB is parallel to DC and AD is parallel to BC",
        "reason":  "Definition of a parallelogram: both pairs of opposite sides are parallel. Correct. Image (98fc8d8e997edfcf.webp) — verify label positions.",
        "answer_correct":  true
    },
    {
        "id":  7356,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "29",
        "question":  "UVWX is a trapezium. Find angle UVX.",
        "idx":  740,
        "given_answer":  "29",
        "reason":  "Image-dependent (2f77b483ed540b69.webp). Trapezium (trapezoid) angle properties applied. Visual verification recommended.",
        "answer_correct":  true
    },
    {
        "id":  7361,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "43",
        "question":  "EFGH is a trapezium and FHG is an isosceles triangle. Find angle EFN.",
        "idx":  741,
        "given_answer":  "43",
        "reason":  "Image-dependent (90c3bfa49a248ce0.webp). Combined trapezium + isosceles triangle angle properties at 43 degrees. Visual verification recommended.",
        "answer_correct":  true
    },
    {
        "id":  7526,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "12600",
        "question":  "What is 3.5 hours in seconds?",
        "idx":  742,
        "given_answer":  "12600",
        "reason":  "3.5 x 3600 = 12600 seconds. Correct.",
        "answer_correct":  true
    },
    {
        "id":  7527,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "25",
        "question":  "Convert 1500 seconds into minutes.",
        "idx":  743,
        "given_answer":  "25",
        "reason":  "1500/60 = 25 minutes. Correct.",
        "answer_correct":  true
    },
    {
        "id":  7542,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "12 cm^2 and 14 cm",
        "question":  "What is the area and perimeter of a 4cm x 3cm rectangle?",
        "idx":  744,
        "given_answer":  "12 cm^2 and 14 cm",
        "reason":  "Area = 4x3 = 12 cm^2. Perimeter = 2(4+3) = 14 cm. Correct.",
        "answer_correct":  true
    },
    {
        "id":  7543,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "32 cm",
        "question":  "A piece of wire is bent into square of side 8 cm. How long is the wire?",
        "idx":  745,
        "given_answer":  "32 cm",
        "reason":  "Perimeter = 4 x 8 = 32 cm. Correct.",
        "answer_correct":  true
    },
    {
        "id":  7544,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "36 cm^2 and 24 cm",
        "question":  "A square has sides of 6 cm. Find its area and perimeter.",
        "idx":  746,
        "given_answer":  "36 cm^2 and 24 cm",
        "reason":  "Area = 36 cm^2, Perimeter = 24 cm. Correct. Note: options at index 0 and 1 are duplicates (both \u002712 cm^2 and 24 cm\u0027). Fix the duplicate options.",
        "answer_correct":  true
    },
    {
        "id":  7571,
        "type":  2,
        "judgment":  "GOOD",
        "verified_answer":  "7008",
        "question":  "In numerals, seven thousand, and eight is : ____",
        "idx":  747,
        "given_answer":  "7008",
        "reason":  "Seven thousand and eight = 7008. Correct. correct_index is null (expected for type=2 FIB).",
        "answer_correct":  true
    },
    {
        "id":  7597,
        "type":  1,
        "judgment":  "GOOD",
        "verified_answer":  "80 km",
        "question":  "The distance a bus travels compared to a bicyle in the same time is 3:1. If the bus travelled 240 km, what distance did the bicyle travel?",
        "idx":  748,
        "given_answer":  "80 km",
        "reason":  "Bus:bicycle = 3:1. Bus = 240. Bicycle = 240/3 = 80 km. Correct. (Minor typo: \u0027bicyle\u0027 should be \u0027bicycle\u0027).",
        "answer_correct":  true
    },
    {
        "id":  7641,
        "type":  1,
        "judgment":  "NEEDS_REVISION",
        "verified_answer":  "20",
        "question":  "A rower goes 12 km downstream, then 8 km upstream. In still water she rows 6 km/h; the river current is 2 km/h. How long is the trip (in km)?",
        "idx":  749,
        "given_answer":  "20",
        "reason":  "Answer 20 km is trivially 12+8 (total distance), making the speed/current data entirely irrelevant. The question setup suggests a time calculation (downstream speed=8 km/h for 12 km = 1.5h; upstream speed=4 km/h for 8 km = 2h; total time=3.5h or 3h30min) but asks for distance. Either: (a) change the question to ask for total time (answer 3.5h), or (b) remove the extraneous speed/current information and simplify to \u0027A rower goes 12 km downstream, then 8 km upstream. How long is the trip in km?\u0027",
        "answer_correct":  true
    }
]