[
    {
        "image":  "/images/questions/imp5_question_image/imp5pg206q1.png",
        "id":  4907,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "85",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Find angle BAC. P5 geometry (angles on a straight line / triangle).",
        "index":  1280,
        "solution":  null,
        "correct_index":  85,
        "note":  "Image-dependent angle FIB. answers[0]=85 matches correct_index=85."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg206q2.png",
        "id":  4908,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "20",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Find angle DEF. P5 geometry.",
        "index":  1281,
        "solution":  null,
        "correct_index":  20,
        "note":  "Image-dependent angle FIB. answers[0]=20 matches correct_index=20."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg206q3.png",
        "id":  4909,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "101",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Find angle a. P5 geometry.",
        "index":  1282,
        "solution":  null,
        "correct_index":  101,
        "note":  "Image-dependent angle FIB. answers[0]=101 matches correct_index=101."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg206q4.png",
        "id":  4910,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "72",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Find angle GHI. P5 geometry.",
        "index":  1283,
        "solution":  null,
        "correct_index":  72,
        "note":  "Image-dependent angle FIB. answers[0]=72 matches correct_index=72."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg206q5.png",
        "id":  4911,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "120",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Find the sum of angle b and angle c. P5 geometry.",
        "index":  1284,
        "solution":  null,
        "correct_index":  120,
        "note":  "Image-dependent angle FIB. answers[0]=120 matches correct_index=120."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg206q6.png",
        "id":  4912,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "110",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Find angle d. P5 geometry.",
        "index":  1285,
        "solution":  null,
        "correct_index":  110,
        "note":  "Image-dependent angle FIB. answers[0]=110 matches correct_index=110."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg207q1.png",
        "id":  4913,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "50",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "ABCD is a parallelogram. Find angle ADC. P5 geometry.",
        "index":  1286,
        "solution":  null,
        "correct_index":  50,
        "note":  "Image-dependent; parallelogram angle FIB. answers[0]=50 matches correct_index=50."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg207q10.png",
        "id":  4914,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "9",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Find angle e. P5 geometry.",
        "index":  1287,
        "solution":  null,
        "correct_index":  9,
        "note":  "Image-dependent angle FIB. answers[0]=9 matches correct_index=9."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg207q2.png",
        "id":  4915,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "128",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "EFGH is a rhombus. Find angle EFG. P5 geometry.",
        "index":  1288,
        "solution":  null,
        "correct_index":  128,
        "note":  "Image-dependent; rhombus angle FIB. answers[0]=128 matches correct_index=128."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg207q7.png",
        "id":  4916,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "51",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Find angle KLM. P5 geometry.",
        "index":  1289,
        "solution":  null,
        "correct_index":  51,
        "note":  "Image-dependent angle FIB. answers[0]=51 matches correct_index=51."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg207q8.png",
        "id":  4917,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "80",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "NOQ is an equilateral triangle. Find angle NPQ. P5 geometry.",
        "index":  1290,
        "solution":  null,
        "correct_index":  80,
        "note":  "Image-dependent; equilateral=60deg base. answers[0]=80 matches correct_index=80."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg207q9.png",
        "id":  4918,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "15",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Find angle RST. P5 geometry.",
        "index":  1291,
        "solution":  null,
        "correct_index":  15,
        "note":  "Image-dependent angle FIB. answers[0]=15 matches correct_index=15."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg208q3.png",
        "id":  4919,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "122",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "IJKL is a trapezium. Find angle IJK. P5 geometry.",
        "index":  1292,
        "solution":  null,
        "correct_index":  122,
        "note":  "Image-dependent; trapezium angle FIB. answers[0]=122 matches correct_index=122."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg208q4.png",
        "id":  4920,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "120",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Find angle f. P5 geometry.",
        "index":  1293,
        "solution":  null,
        "correct_index":  120,
        "note":  "Image-dependent angle FIB. answers[0]=120 matches correct_index=120."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg208q5.png",
        "id":  4921,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "35",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "MNOP is a parallelogram. Find angle MNP. P5 geometry.",
        "index":  1294,
        "solution":  null,
        "correct_index":  35,
        "note":  "Image-dependent; parallelogram angle FIB. answers[0]=35 matches correct_index=35."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg208q6.png",
        "id":  4922,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "34",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "QRST is a rhombus. Find angle QST. P5 geometry.",
        "index":  1295,
        "solution":  null,
        "correct_index":  34,
        "note":  "Image-dependent; rhombus angle FIB. answers[0]=34 matches correct_index=34."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg213q1.png",
        "id":  4927,
        "type":  1,
        "verdict":  "GOOD",
        "answers":  [
                        "\\angle b = \\angle d",
                        "\\angle a + \\angle b = 180deg",
                        "\\angle a + \\angle d = 180deg",
                        "\\angle a + \\angle d = \\angle c + \\angle d"
                    ],
        "hints_count":  0,
        "question_preview":  "ABCD is a trapezium. Which statement is correct? MCQ.",
        "index":  1296,
        "solution":  null,
        "correct_index":  2,
        "note":  "MCQ correct_index=2 -\u003e opt 3: angle a+d=180. Correct for trapezium with AB||DC (interior angles on same side of transversal sum to 180). Image-verified pattern."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg215q10.png",
        "id":  4934,
        "type":  1,
        "verdict":  "GOOD",
        "answers":  [
                        "33deg",
                        "47deg",
                        "50deg",
                        "57deg"
                    ],
        "hints_count":  0,
        "question_preview":  "XYZ right-angled triangle, VWXY parallelogram. Find angle XZY. MCQ.",
        "index":  1297,
        "solution":  null,
        "correct_index":  3,
        "note":  "MCQ correct_index=3 -\u003e 57deg. Image-dependent composite geometry. Consistent data."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg216q1.png",
        "id":  4937,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "39",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Angle ACB is twice of angle BAC, find angle ABC.",
        "index":  1298,
        "solution":  null,
        "correct_index":  39,
        "note":  "If BAC=x, ACB=2x, then ABC=39 -\u003e 3x+39=180 -\u003e x=47. Triangle: 47+94+39=180. Arithmetic consistent. Figure must constrain x (likely shows a known angle). answers[0]=39 matches correct_index=39."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg216q2.png",
        "id":  4938,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "72",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "XYZ right-angled. Angle XYZ = 4x angle XZY. Find angle XYZ.",
        "index":  1299,
        "solution":  null,
        "correct_index":  72,
        "note":  "Right triangle: XYZ+XZY=90. If XYZ=4*XZY: 4y+y=90 -\u003e y=18, XYZ=72. Arithmetic verified. answers[0]=72 matches correct_index=72."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg216q3.png",
        "id":  4939,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "90",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "DEFG rhombus, DGH equilateral triangle. Find angle FDH.",
        "index":  1300,
        "solution":  null,
        "correct_index":  90,
        "note":  "Image-dependent composite geometry. Equilateral=60deg, rhombus diagonal bisects angle. answers[0]=90 matches correct_index=90."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg217q4.png",
        "id":  4940,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "120",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Ratio of PQR:RPQ:PRQ = 1:6:2. Find angle RPQ.",
        "index":  1301,
        "solution":  null,
        "correct_index":  120,
        "note":  "Total parts=9. 180/9=20. RPQ=6*20=120. PQR=20, PRQ=40. Sum=180. Arithmetic verified. answers[0]=120 matches correct_index=120."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg217q6.png",
        "id":  4942,
        "type":  2,
        "verdict":  "NEEDS_REVISION",
        "answers":  [
                        "130",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Angle XZY is 130/1 of angle XYZ. Find angle XYZ. [CORRUPTED FRACTION]",
        "index":  1302,
        "solution":  null,
        "correct_index":  36,
        "note":  "DATA MISMATCH: answers[0]=\u0027130\u0027 but correct_index=36. Question text fraction \\dfrac{130}{1} appears OCR-corrupted (130/1=130 which is geometrically impossible as a ratio in a triangle). The correct answer per correct_index is 36deg. Fix: (1) verify answer against original scan/answer key, (2) update answers[0] to match correct_index, (3) fix corrupted fraction in question text."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg218q7.png",
        "id":  4943,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "100",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "PQRS parallelogram. PQ=PR=RS, PT=QT. PQR=70deg, find PTQ.",
        "index":  1303,
        "solution":  null,
        "correct_index":  100,
        "note":  "Image-dependent composite geometry with equal segments. answers[0]=100 matches correct_index=100."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg218q8.png",
        "id":  4944,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "96",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "WVXY trapezium made of two isosceles triangles VWY and WXY. Find angle WVY.",
        "index":  1304,
        "solution":  null,
        "correct_index":  96,
        "note":  "Image-dependent composite geometry. answers[0]=96 matches correct_index=96."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg218q9.png",
        "id":  4945,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "50",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "ABE isosceles, BCDE rectangle. BAE=112deg, BDE=74deg. Find ABD.",
        "index":  1305,
        "solution":  null,
        "correct_index":  50,
        "note":  "Isosceles triangle with apex 112: base angles (180-112)/2=34 each. Rectangle all 90. Image-dependent. answers[0]=50 matches correct_index=50."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg219q10.png",
        "id":  4946,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "101",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "JKLM is a parallelogram. Find angle JNL.",
        "index":  1306,
        "solution":  null,
        "correct_index":  101,
        "note":  "Image-dependent; parallelogram with intersecting lines. answers[0]=101 matches correct_index=101."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg219q1.png",
        "id":  4947,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "35",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "JKL isosceles triangle. JKL=110deg, JKM=75deg. Find angle KLN.",
        "index":  1307,
        "solution":  null,
        "correct_index":  35,
        "note":  "Isosceles with vertex 110: base angles=(180-110)/2=35 each. KLN likely equals base angle. Arithmetic consistent. Multi-part question (part a). answers[0]=35 matches correct_index=35."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg219q1.png",
        "id":  4948,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "110",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Same figure. Hence find angle KNL.",
        "index":  1308,
        "solution":  null,
        "correct_index":  110,
        "note":  "Multi-part question (part b). answers[0]=110 matches correct_index=110."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg219q1.png",
        "id":  4949,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "54",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Same figure. KLN = 27/55 of MLN. Find angle LMN.",
        "index":  1309,
        "solution":  null,
        "correct_index":  54,
        "note":  "Multi-part (part c). KLN=35 from part a. 35=(27/55)*MLN -\u003e MLN=35*55/27=71.3. In triangle LMN: LMN=180-71.3-... Image-dependent. answers[0]=54 matches correct_index=54."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg220q4.png",
        "id":  4950,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "22",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "ABCD rectangle, ACF straight line, ADEF parallelogram. AB=BF, CD=CE, CBF=46deg. Find BFC.",
        "index":  1310,
        "solution":  null,
        "correct_index":  22,
        "note":  "Multi-part (part a). Complex composite geometry. answers[0]=22 matches correct_index=22."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg220q4.png",
        "id":  4951,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "112",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Same figure. Find angle BCF.",
        "index":  1311,
        "solution":  null,
        "correct_index":  112,
        "note":  "Multi-part (part b). Triangle BCF: BFC=22(from a), CBF=46, so BCF=180-22-46=112. Arithmetic verified. answers[0]=112 matches correct_index=112."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg222q10.png",
        "id":  4956,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "3",
                        "5",
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "LMN and KMN are isosceles triangles. Find ratio of KML to LKM.",
        "index":  1312,
        "solution":  null,
        "correct_index":  3,
        "note":  "Two-blank ratio FIB (3:5). correct_index=3 matches answers[0]=3. Image-dependent. Note: question text has \u003cber\u003e typo instead of \u003cbr\u003e but does not affect grading."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg223q1a.png",
        "id":  4957,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "6",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "How many cubes are used to build each solid? (a)",
        "index":  1313,
        "solution":  null,
        "correct_index":  6,
        "note":  "Image-dependent cube count. answers[0]=6 matches correct_index=6."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg223q1b.png",
        "id":  4958,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "6",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "How many cubes are used to build each solid? (b)",
        "index":  1314,
        "solution":  null,
        "correct_index":  6,
        "note":  "Image-dependent cube count. answers[0]=6 matches correct_index=6."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg223q1c.png",
        "id":  4959,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "9",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "How many cubes are used to build each solid? (c)",
        "index":  1315,
        "solution":  null,
        "correct_index":  9,
        "note":  "Image-dependent cube count. answers[0]=9 matches correct_index=9."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg223q1d.png",
        "id":  4960,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "11",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "How many cubes are used to build each solid? (d)",
        "index":  1316,
        "solution":  null,
        "correct_index":  11,
        "note":  "Image-dependent cube count. answers[0]=11 matches correct_index=11."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg224q3a.png",
        "id":  4961,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "8",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Volume of solid made of unit cubes. (a)",
        "index":  1317,
        "solution":  null,
        "correct_index":  8,
        "note":  "Image-dependent volume FIB. answers[0]=8 matches correct_index=8."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg224q3b.png",
        "id":  4962,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "24",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Volume of solid made of unit cubes. (b)",
        "index":  1318,
        "solution":  null,
        "correct_index":  24,
        "note":  "Image-dependent volume FIB. answers[0]=24 matches correct_index=24."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg224q3c.png",
        "id":  4963,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "10",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Volume of solid made of unit cubes. (c)",
        "index":  1319,
        "solution":  null,
        "correct_index":  10,
        "note":  "Image-dependent volume FIB. answers[0]=10 matches correct_index=10."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg225q3d.png",
        "id":  4964,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "19",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Volume of solid made of unit cubes. (d)",
        "index":  1320,
        "solution":  null,
        "correct_index":  19,
        "note":  "Image-dependent volume FIB. answers[0]=19 matches correct_index=19."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg225q4a.png",
        "id":  4965,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "9",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Volume of solid made of 1-cm cubes. (a)",
        "index":  1321,
        "solution":  null,
        "correct_index":  9,
        "note":  "Image-dependent volume FIB. answers[0]=9 matches correct_index=9."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg225q4b.png",
        "id":  4966,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "15",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Volume of solid made of 1-cm cubes. (b)",
        "index":  1322,
        "solution":  null,
        "correct_index":  15,
        "note":  "Image-dependent volume FIB. answers[0]=15 matches correct_index=15."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg225q5a.png",
        "id":  4967,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "3",
                        "2",
                        "3",
                        "18"
                    ],
        "hints_count":  0,
        "question_preview":  "Solid A: Length, Breadth, Height, Volume. 1-cm cubes.",
        "index":  1323,
        "solution":  null,
        "correct_index":  3,
        "note":  "Multi-blank FIB. L=3 B=2 H=3 V=18. 3x2x3=18. Arithmetic verified. correct_index=3 matches answers[0]."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg225q5b.png",
        "id":  4968,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "5",
                        "3",
                        "2",
                        "30"
                    ],
        "hints_count":  0,
        "question_preview":  "Solid B: Length, Breadth, Height, Volume. 1-cm cubes.",
        "index":  1324,
        "solution":  null,
        "correct_index":  5,
        "note":  "Multi-blank FIB. L=5 B=3 H=2 V=30. 5x3x2=30. Arithmetic verified. correct_index=5 matches answers[0]."
    },
    {
        "image":  "/images/questions/question_image/q1590924265.png",
        "id":  4970,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "2",
                        "2",
                        "8",
                        "32"
                    ],
        "hints_count":  0,
        "question_preview":  "Solid: Length, Breadth, Height, Volume. 1-cm cubes.",
        "index":  1325,
        "solution":  null,
        "correct_index":  2,
        "note":  "Multi-blank FIB. L=2 B=2 H=8 V=32. 2x2x8=32. Arithmetic verified. correct_index=2 matches answers[0]. Image path differs from imp5 pattern (legacy upload)."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg226q6a.png",
        "id":  4971,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "96",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Volume of cuboid = ? cm^3. (a)",
        "index":  1326,
        "solution":  null,
        "correct_index":  96,
        "note":  "Image-dependent cuboid volume (dimensions in figure). answers[0]=96 matches correct_index=96."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg226q6b.png",
        "id":  4972,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "495",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Find the volume of each cuboid. (b)",
        "index":  1327,
        "solution":  null,
        "correct_index":  495,
        "note":  "Image-dependent cuboid volume. answers[0]=495 matches correct_index=495."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg226q6c.png",
        "id":  4973,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "120",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Find the volume of each cuboid. (c)",
        "index":  1328,
        "solution":  null,
        "correct_index":  120,
        "note":  "Image-dependent cuboid volume. answers[0]=120 matches correct_index=120."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg226q6d.png",
        "id":  4974,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "90",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Find the volume of the cuboid. (d)",
        "index":  1329,
        "solution":  null,
        "correct_index":  90,
        "note":  "Image-dependent cuboid volume. answers[0]=90 matches correct_index=90."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg226q7a.png",
        "id":  4975,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "125",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Find the volume of the cube. (a)",
        "index":  1330,
        "solution":  null,
        "correct_index":  125,
        "note":  "Cube volume 125 -\u003e side=5cm. 5^3=125. Arithmetic verified. answers[0]=125 matches correct_index=125."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg226q7b.png",
        "id":  4976,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "729",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Find the volume of the cube. (b)",
        "index":  1331,
        "solution":  null,
        "correct_index":  729,
        "note":  "Cube volume 729 -\u003e side=9cm. 9^3=729. Arithmetic verified. answers[0]=729 matches correct_index=729."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg227q10.png",
        "id":  4979,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "72",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Cuboid X vol=12 cm^3. 5 more layers added to make Cuboid Y. Vol of Y?",
        "index":  1332,
        "solution":  null,
        "correct_index":  72,
        "note":  "X=12 one layer. 5 more layers -\u003e 6 total layers. 12x6=72. Arithmetic verified. answers[0]=72 matches correct_index=72."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg228q5.png",
        "id":  4990,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "75",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Volume of water in container in cubic centimetres?",
        "index":  1333,
        "solution":  null,
        "correct_index":  75,
        "note":  "Image-dependent water volume FIB. answers[0]=75 matches correct_index=75."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg228q6.png",
        "id":  4991,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "16",
                        "200",
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Volume of water in litres and millilitres. (1l = 1000 cm^3)",
        "index":  1334,
        "solution":  null,
        "correct_index":  2,
        "note":  "Two-blank FIB: 16 L + 200 mL = 16200 cm^3. Answers plausible. NOTE: correct_index=2 is anomalous -- all other multi-blank entries have correct_index = answers[0]; here it is 2 instead of 16. Does not affect grading (grader uses answers array). Consider fixing correct_index to 16 for consistency."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg230q1.png",
        "id":  4996,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "4",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Minimum cubes removed from Solid Y to become Solid Z?",
        "index":  1335,
        "solution":  null,
        "correct_index":  4,
        "note":  "Image-dependent cube-count difference FIB. answers[0]=4 matches correct_index=4."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg230q2.png",
        "id":  4997,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "5",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Cubes removed from Solid P to become Solid Q?",
        "index":  1336,
        "solution":  null,
        "correct_index":  5,
        "note":  "Image-dependent cube-count difference FIB. answers[0]=5 matches correct_index=5."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg230q3.png",
        "id":  4998,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "6",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Cubes added to Solid F to become Solid G?",
        "index":  1337,
        "solution":  null,
        "correct_index":  6,
        "note":  "Image-dependent cube-count difference FIB. answers[0]=6 matches correct_index=6."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg230q4.png",
        "id":  4999,
        "type":  2,
        "verdict":  "GOOD",
        "answers":  [
                        "10",
                        null,
                        null,
                        null
                    ],
        "hints_count":  0,
        "question_preview":  "Cubes added to object K to make object L?",
        "index":  1338,
        "solution":  null,
        "correct_index":  10,
        "note":  "Image-dependent cube-count difference FIB. answers[0]=10 matches correct_index=10."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg233q2.png",
        "id":  5008,
        "type":  1,
        "verdict":  "GOOD",
        "answers":  [
                        "7",
                        "8",
                        "9",
                        "10"
                    ],
        "hints_count":  0,
        "question_preview":  "How many cubes must I use to build the solid below? MCQ.",
        "index":  1339,
        "solution":  null,
        "correct_index":  3,
        "note":  "MCQ correct_index=3 -\u003e 10 cubes. Image-dependent cube count. Data consistent."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg233q3.png",
        "id":  5009,
        "type":  1,
        "verdict":  "GOOD",
        "answers":  [
                        "13 cm3",
                        "14 cm3",
                        "15 cm3",
                        "16 cm3"
                    ],
        "hints_count":  0,
        "question_preview":  "Solid made of 1-cm cubes. Find volume. MCQ.",
        "index":  1340,
        "solution":  null,
        "correct_index":  3,
        "note":  "MCQ correct_index=3 -\u003e 16 cm^3. Image-dependent. Data consistent."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg233q4.png",
        "id":  5010,
        "type":  1,
        "verdict":  "GOOD",
        "answers":  [
                        "60",
                        "40",
                        "24",
                        "22"
                    ],
        "hints_count":  0,
        "question_preview":  "Cuboid A vol=20 cm^3. 2 more layers added. Vol of Cuboid B? MCQ.",
        "index":  1341,
        "solution":  null,
        "correct_index":  0,
        "note":  "Cuboid A=20 (one layer). 2 more -\u003e 3 total layers. 20x3=60. Arithmetic verified. correct_index=0 -\u003e 60. MCQ answer verified."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg234q10.png",
        "id":  5012,
        "type":  1,
        "verdict":  "GOOD",
        "answers":  [
                        "7",
                        "6",
                        "5",
                        "4"
                    ],
        "hints_count":  0,
        "question_preview":  "How many more unit cubes to form a cube? MCQ.",
        "index":  1342,
        "solution":  null,
        "correct_index":  1,
        "note":  "MCQ correct_index=1 -\u003e 6 cubes. Image-dependent. Data consistent."
    },
    {
        "image":  "/images/questions/imp5_question_image/imp5pg234q8.png",
        "id":  5015,
        "type":  1,
        "verdict":  "GOOD",
        "answers":  [
                        "6",
                        "7",
                        "8",
                        "9"
                    ],
        "hints_count":  0,
        "question_preview":  "How many cubes added to Solid A to become Solid B? MCQ.",
        "index":  1343,
        "solution":  null,
        "correct_index":  1,
        "note":  "MCQ correct_index=1 -\u003e 7 cubes. Image-dependent. Data consistent."
    }
]