{
  "title": "Multiplication of Rational Numbers - Grade 8 CBSE",
  "total_questions": 100,
  "questions": [
    {"id": 1, "difficulty": "easy", "question": "What is 1/2 × 1/3?", "options": {"A": "1/5", "B": "1/6", "C": "2/5", "D": "2/3"}, "correct_answer": "B"},
    {"id": 2, "difficulty": "easy", "question": "Multiply: 3/4 × 2/5", "options": {"A": "6/20", "B": "3/10", "C": "5/9", "D": "6/9"}, "correct_answer": "B"},
    {"id": 3, "difficulty": "easy", "question": "What is 0.5 × 0.2?", "options": {"A": "0.1", "B": "0.01", "C": "1.0", "D": "0.7"}, "correct_answer": "A"},
   {
  "id": 4,
  "difficulty": "easy",
  "question": "Calculate: 2/3 × 3/4",
  "options": {
    "A": "5/7",
    "B": "6/12",
    "C": "1/2",
    "D": "2/4"
  },
  "correct_answer": "C"
}
, {"id": 5, "difficulty": "easy", "question": "Multiply: 0.25 × 4", "options": {"A": "0.1", "B": "1", "C": "0.5", "D": "2"}, "correct_answer": "B"},
    {"id": 6, "difficulty": "easy", "question": "What is 1/5 × 10?", "options": {"A": "1/2", "B": "2", "C": "5", "D": "10"}, "correct_answer": "B"},
    {"id": 7, "difficulty": "easy", "question": "Calculate: 0.6 × 0.5", "options": {"A": "0.3", "B": "0.03", "C": "3.0", "D": "1.1"}, "correct_answer": "A"},
    {"id": 8, "difficulty": "easy", "question": "Multiply: 2/7 × 7/2", "options": {"A": "14/14", "B": "1", "C": "4/49", "D": "49/4"}, "correct_answer": "B"},
    {"id": 9, "difficulty": "easy", "question": "What is 0.8 × 0.25?", "options": {"A": "0.2", "B": "0.02", "C": "2.0", "D": "1.05"}, "correct_answer": "A"},
    {"id": 10, "difficulty": "easy", "question": "Calculate: 3/8 × 4/9", "options": {"A": "12/72", "B": "1/6", "C": "7/17", "D": "3/18"}, "correct_answer": "B"},
    {"id": 11, "difficulty": "easy", "question": "Multiply: 0.4 × 5", "options": {"A": "0.2", "B": "2", "C": "20", "D": "0.02"}, "correct_answer": "B"},
    {"id": 12, "difficulty": "easy", "question": "What is 2/5 × 3/5?", "options": {"A": "5/10", "B": "6/25", "C": "5/25", "D": "2/3"}, "correct_answer": "B"},
    {"id": 13, "difficulty": "easy", "question": "Calculate: 0.75 × 0.2", "options": {"A": "0.15", "B": "1.5", "C": "0.015", "D": "15"}, "correct_answer": "A"},
    {"id": 14, "difficulty": "easy", "question": "Multiply: 5/6 × 2/3", "options": {"A": "10/18", "B": "5/9", "C": "7/9", "D": "3/4"}, "correct_answer": "B"},
    {"id": 15, "difficulty": "easy", "question": "What is 0.9 × 0.1?", "options": {"A": "0.09", "B": "0.9", "C": "9", "D": "0.009"}, "correct_answer": "A"},
    {"id": 16, "difficulty": "easy", "question": "Calculate: 1/4 × 8", "options": {"A": "1/2", "B": "2", "C": "4", "D": "8"}, "correct_answer": "B"},
    {"id": 17, "difficulty": "easy", "question": "Multiply: 0.6 × 0.4", "options": {"A": "0.24", "B": "2.4", "C": "0.024", "D": "24"}, "correct_answer": "A"},
    {"id": 18, "difficulty": "easy", "question": "What is 3/7 × 14?", "options": {"A": "2", "B": "6", "C": "42", "D": "14/3"}, "correct_answer": "B"},
    {"id": 19, "difficulty": "easy", "question": "Calculate: 0.125 × 8", "options": {"A": "0.1", "B": "1", "C": "0.01", "D": "10"}, "correct_answer": "B"},
    {"id": 20, "difficulty": "easy", "question": "Multiply: 4/9 × 3/4", "options": {"A": "12/36", "B": "1/3", "C": "7/13", "D": "3/9"}, "correct_answer": "B"},
    {"id": 21, "difficulty": "medium", "question": "Multiply: (-3/4) × (2/5)", "options": {"A": "3/10", "B": "-3/10", "C": "6/20", "D": "-6/20"}, "correct_answer": "B"},
    {"id": 22, "difficulty": "medium", "question": "What is 1.5 × (-0.4)?", "options": {"A": "0.6", "B": "-0.6", "C": "6", "D": "-6"}, "correct_answer": "B"},
    {"id": 23, "difficulty": "medium", "question": "Calculate: (2/3 × 5/7) × 14/15", "options": {"A": "4/9", "B": "2/3", "C": "5/9", "D": "10/21"}, "correct_answer": "A"},
    {"id": 24, "difficulty": "medium", "question": "Multiply: (-0.8) × 2.5", "options": {"A": "2", "B": "-2", "C": "0.2", "D": "-0.2"}, "correct_answer": "B"},
    {"id": 25, "difficulty": "medium", "question": "What is (3/5 × 4/7) × 35/12?", "options": {"A": "1", "B": "2", "C": "3/7", "D": "4/5"}, "correct_answer": "A"},
    {"id": 26, "difficulty": "medium", "question": "Calculate: 2.25 × 0.4", "options": {"A": "0.9", "B": "9", "C": "0.09", "D": "90"}, "correct_answer": "A"},
    {"id": 27, "difficulty": "medium", "question": "Multiply: (-5/6) × (9/10)", "options": {"A": "3/4", "B": "-3/4", "C": "45/60", "D": "-45/60"}, "correct_answer": "B"},
    {"id": 28, "difficulty": "medium", "question": "What is (-3.6) × 0.5?", "options": {"A": "1.8", "B": "-1.8", "C": "0.18", "D": "-0.18"}, "correct_answer": "B"},
    {"id": 29, "difficulty": "medium", "question": "Calculate: (4/9 × 15/16) × 12/5", "options": {"A": "1", "B": "2", "C": "3/4", "D": "4/3"}, "correct_answer": "A"},
    {"id": 30, "difficulty": "medium", "question": "Multiply: 0.125 × (-8)", "options": {"A": "1", "B": "-1", "C": "0.1", "D": "-0.1"}, "correct_answer": "B"},
    {"id": 31, "difficulty": "medium", "question": "What is (2.4 × 0.5) × 2?", "options": {"A": "1.2", "B": "2.4", "C": "4.8", "D": "0.6"}, "correct_answer": "B"},
    {"id": 32, "difficulty": "medium", "question": "Calculate: (-7/8) × (16/21)", "options": {"A": "2/3", "B": "-2/3", "C": "3/2", "D": "-3/2"}, "correct_answer": "B"},
    {"id": 33, "difficulty": "medium", "question": "Multiply: 3.75 × 0.8", "options": {"A": "0.3", "B": "3", "C": "30", "D": "0.03"}, "correct_answer": "B"},
    {"id": 34, "difficulty": "medium", "question": "What is (5/12 × 18/25) × 10/3?", "options": {"A": "1", "B": "2", "C": "3/2", "D": "2/3"}, "correct_answer": "A"},
    {"id": 35, "difficulty": "medium", "question": "Calculate: (-4.5) × (-0.2)", "options": {"A": "0.9", "B": "-0.9", "C": "9", "D": "-9"}, "correct_answer": "A"},
    {"id": 36, "difficulty": "medium", "question": "Multiply: (11/14) × (-7/22)", "options": {"A": "1/4", "B": "-1/4", "C": "1/2", "D": "-1/2"}, "correct_answer": "B"},
    {"id": 37, "difficulty": "medium", "question": "What is 6.25 × 0.16?", "options": {"A": "1", "B": "10", "C": "0.1", "D": "0.01"}, "correct_answer": "A"},
    {"id": 38, "difficulty": "medium", "question": "Calculate: (13/15 × 20/26) × 3/2", "options": {"A": "1", "B": "2", "C": "3/2", "D": "2/3"}, "correct_answer": "A"},
    {"id": 39, "difficulty": "medium", "question": "Multiply: (-0.625) × 1.6", "options": {"A": "1", "B": "-1", "C": "0.1", "D": "-0.1"}, "correct_answer": "B"},
    {"id": 40, "difficulty": "medium", "question": "What is (3.2 × 0.25) × 4?", "options": {"A": "0.32", "B": "3.2", "C": "32", "D": "0.032"}, "correct_answer": "B"},
    {"id": 41, "difficulty": "medium", "question": "Calculate: (-9/10) × (25/27)", "options": {"A": "5/6", "B": "-5/6", "C": "6/5", "D": "-6/5"}, "correct_answer": "B"},
    {"id": 42, "difficulty": "medium", "question": "Multiply: 4.8 × 0.125", "options": {"A": "0.6", "B": "6", "C": "0.06", "D": "60"}, "correct_answer": "A"},
    {"id": 43, "difficulty": "medium", "question": "What is (7/18 × 9/14) × 4?", "options": {"A": "1", "B": "2", "C": "3", "D": "4"}, "correct_answer": "A"},
    {"id": 44, "difficulty": "medium", "question": "Calculate: (-2.7) × (-0.3)", "options": {"A": "0.81", "B": "-0.81", "C": "8.1", "D": "-8.1"}, "correct_answer": "A"},
    {"id": 45, "difficulty": "medium", "question": "Multiply: (17/20) × (-15/34)", "options": {"A": "3/8", "B": "-3/8", "C": "8/3", "D": "-8/3"}, "correct_answer": "B"},
    {"id": 46, "difficulty": "medium", "question": "What is 0.0625 × 16?", "options": {"A": "0.1", "B": "1", "C": "10", "D": "0.01"}, "correct_answer": "B"},
    {"id": 47, "difficulty": "medium", "question": "Calculate: (19/24 × 16/38) × 3", "options": {"A": "1", "B": "2", "C": "3", "D": "4"}, "correct_answer": "A"},
    {"id": 48, "difficulty": "medium", "question": "Multiply: (-0.375) × (-2.4)", "options": {"A": "0.9", "B": "-0.9", "C": "9", "D": "-9"}, "correct_answer": "A"},
    {"id": 49, "difficulty": "medium", "question": "What is (5.6 × 0.125) × 8?", "options": {"A": "0.56", "B": "5.6", "C": "56", "D": "0.056"}, "correct_answer": "B"},
    {"id": 50, "difficulty": "medium", "question": "Calculate: (-23/28) × (14/46)", "options": {"A": "1/4", "B": "-1/4", "C": "1/2", "D": "-1/2"}, "correct_answer": "B"},
    {"id": 51, "difficulty": "medium", "question": "Multiply: 7.2 × 0.25", "options": {"A": "0.18", "B": "1.8", "C": "18", "D": "0.018"}, "correct_answer": "B"},
    {"id": 52, "difficulty": "medium", "question": "What is (11/15 × 25/33) × 9/5?", "options": {"A": "1", "B": "2", "C": "3/2", "D": "2/3"}, "correct_answer": "A"},
    {"id": 53, "difficulty": "medium", "question": "Calculate: (-3.24) × 0.5", "options": {"A": "1.62", "B": "-1.62", "C": "0.162", "D": "-0.162"}, "correct_answer": "B"},
    {"id": 54, "difficulty": "medium", "question": "Multiply: (29/36) × (-18/58)", "options": {"A": "1/4", "B": "-1/4", "C": "1/2", "D": "-1/2"}, "correct_answer": "B"},
    {"id": 55, "difficulty": "medium", "question": "What is 0.04 × 25?", "options": {"A": "0.1", "B": "1", "C": "10", "D": "0.01"}, "correct_answer": "B"},
    {"id": 56, "difficulty": "medium", "question": "Calculate: (31/35 × 14/62) × 5", "options": {"A": "1", "B": "2", "C": "3", "D": "4"}, "correct_answer": "A"},
    {"id": 57, "difficulty": "medium", "question": "Multiply: (-0.48) × (-1.25)", "options": {"A": "0.6", "B": "-0.6", "C": "6", "D": "-6"}, "correct_answer": "A"},
    {"id": 58, "difficulty": "medium", "question": "What is (8.4 × 0.25) × 4?", "options": {"A": "0.84", "B": "8.4", "C": "84", "D": "0.084"}, "correct_answer": "B"},
    {"id": 59, "difficulty": "medium", "question": "Calculate: (-37/40) × (20/74)", "options": {"A": "1/4", "B": "-1/4", "C": "1/2", "D": "-1/2"}, "correct_answer": "B"},
    {"id": 60, "difficulty": "medium", "question": "Multiply: 9.6 × 0.125", "options": {"A": "0.12", "B": "1.2", "C": "12", "D": "0.012"}, "correct_answer": "B"},
    {"id": 61, "difficulty": "medium", "question": "What is (13/16 × 24/39) × 2?", "options": {"A": "1", "B": "2", "C": "3", "D": "4"}, "correct_answer": "A"},
    {"id": 62, "difficulty": "medium", "question": "Calculate: (-4.05) × (-0.2)", "options": {"A": "0.81", "B": "-0.81", "C": "8.1", "D": "-8.1"}, "correct_answer": "A"},
    {"id": 63, "difficulty": "medium", "question": "Multiply: (41/48) × (-24/82)", "options": {"A": "1/4", "B": "-1/4", "C": "1/2", "D": "-1/2"}, "correct_answer": "B"},
    {"id": 64, "difficulty": "medium", "question": "What is 0.008 × 125?", "options": {"A": "0.1", "B": "1", "C": "10", "D": "0.01"}, "correct_answer": "B"},
    {"id": 65, "difficulty": "medium", "question": "Calculate: (43/45 × 15/86) × 6", "options": {"A": "1", "B": "2", "C": "3", "D": "4"}, "correct_answer": "A"},
    {"id": 66, "difficulty": "medium", "question": "Multiply: (-0.56) × (-1.25)", "options": {"A": "0.7", "B": "-0.7", "C": "7", "D": "-7"}, "correct_answer": "A"},
    {"id": 67, "difficulty": "medium", "question": "What is (12.5 × 0.08) × 10?", "options": {"A": "1", "B": "10", "C": "100", "D": "0.1"}, "correct_answer": "B"},
    {"id": 68, "difficulty": "medium", "question": "Calculate: (-47/50) × (25/94)", "options": {"A": "1/4", "B": "-1/4", "C": "1/2", "D": "-1/2"}, "correct_answer": "B"},
    {"id": 69, "difficulty": "medium", "question": "Multiply: 11.2 × 0.25", "options": {"A": "0.28", "B": "2.8", "C": "28", "D": "0.028"}, "correct_answer": "B"},
    {"id": 70, "difficulty": "medium", "question": "What is (17/19 × 38/51) × 3/2?", "options": {"A": "1", "B": "2", "C": "3/2", "D": "2/3"}, "correct_answer": "A"},
    {"id": 71, "difficulty": "hard", "question": "Multiply: (-2.5) × (0.4) × (-1.5) × 2", "options": {"A": "3", "B": "-3", "C": "0.3", "D": "-0.3"}, "correct_answer": "A"},
    {"id": 72, "difficulty": "hard", "question": "Calculate: [(3/4 × 8/9) + (5/6 × 12/15)] × 3/2", "options": {"A": "1", "B": "2", "C": "3", "D": "4"}, "correct_answer": "B"},
    {"id": 73, "difficulty": "hard", "question": "What is (1.25 × 0.8 × 2.5 × 0.4)?", "options": {"A": "1", "B": "2", "C": "3", "D": "4"}, "correct_answer": "A"},
    {"id": 74, "difficulty": "hard", "question": "Multiply: [(-3/5) × (10/9)] × [(4/7) × (-21/8)]", "options": {"A": "1", "B": "-1", "C": "2", "D": "-2"}, "correct_answer": "A"},
    {"id": 75, "difficulty": "hard", "question": "Calculate: (2.4 × 1.25 × 0.5 × 2) ÷ (0.6 × 5)", "options": {"A": "1", "B": "2", "C": "3", "D": "4"}, "correct_answer": "A"},
    {"id": 76, "difficulty": "hard", "question": "What is [(5/6 × 12/25) + (7/8 × 16/35)] × 2?", "options": {"A": "1", "B": "2", "C": "3", "D": "4"}, "correct_answer": "B"},
   {"id": 77, "difficulty": "hard", "question": "Multiply: (-0.125) × (-8) × (0.25) × (-4)", "options": {"A": "1", "B": "-1", "C": "2", "D": "-2"}, "correct_answer": "B"}
, {"id": 78, "difficulty": "hard", "question": "Calculate: [(11/12 × 24/33) - (13/14 × 28/39)] × 6", "options": {"A": "0", "B": "1", "C": "2", "D": "3"}, "correct_answer": "A"},
    {"id": 79, "difficulty": "hard", "question": "What is (3.6 × 0.25 × 2.8 × 1.25)?", "options": {"A": "3.15", "B": "3.16", "C": "3.17", "D": "3.18"}, "correct_answer": "A"},
    {"id": 80, "difficulty": "hard", "question": "Multiply: [(-7/8) × (16/21)] × [(-9/10) × (20/27)]", "options": {"A": "2/3", "B": "-2/3", "C": "3/2", "D": "-3/2"}, "correct_answer": "A"},
    {"id": 81, "difficulty": "hard", "question": "Calculate: (4.8 × 1.25 × 0.6 × 5) ÷ (2.4 × 0.5)", "options": {"A": "15", "B": "16", "C": "17", "D": "18"}, "correct_answer": "A"},
    {"id": 82, "difficulty": "hard", "question": "What is [(17/18 × 36/51) + (19/20 × 40/57)] ÷ 2?", "options": {"A": "1", "B": "2", "C": "3", "D": "4"}, "correct_answer": "A"},
    {"id": 83, "difficulty": "hard", "question": "Multiply: (-0.375) × (2.4) × (-0.5) × (4)", "options": {"A": "1.8", "B": "-1.8", "C": "18", "D": "-18"}, "correct_answer": "A"},
    {"id": 84, "difficulty": "hard", "question": "Calculate: [(23/24 × 48/69) - (25/26 × 52/75)] × 12", "options": {"A": "0", "B": "1", "C": "2", "D": "3"}, "correct_answer": "A"},
    {"id": 85, "difficulty": "hard", "question": "What is (6.25 × 0.16 × 2.5 × 4)?", "options": {"A": "10", "B": "12", "C": "14", "D": "16"}, "correct_answer": "A"},
    {"id": 86, "difficulty": "hard", "question": "Multiply: [(-11/12) × (24/33)] × [(-13/14) × (28/39)]", "options": {"A": "2/3", "B": "-2/3", "C": "3/2", "D": "-3/2"}, "correct_answer": "A"},
    {"id": 87, "difficulty": "hard", "question": "Calculate: (7.2 × 1.25 × 0.8 × 3) ÷ (1.8 × 2)", "options": {"A": "6", "B": "7", "C": "8", "D": "9"}, "correct_answer": "A"},
    {"id": 88, "difficulty": "hard", "question": "What is [(29/30 × 60/87) + (31/32 × 64/93)] ÷ 2?", "options": {"A": "1", "B": "2", "C": "3", "D": "4"}, "correct_answer": "A"},
    {"id": 89, "difficulty": "hard", "question": "Multiply: (-0.625) × (-1.6) × (0.25) × (-8)", "options": {"A": "2", "B": "-2", "C": "4", "D": "-4"}, "correct_answer": "B"},
    {"id": 90, "difficulty": "hard", "question": "Calculate: [(35/36 × 72/105) - (37/38 × 76/111)] × 18", "options": {"A": "0", "B": "1", "C": "2", "D": "3"}, "correct_answer": "A"},
    {"id": 91, "difficulty": "hard", "question": "What is (12.8 × 0.125 × 3.2 × 2.5)?", "options": {"A": "12.8", "B": "13.8", "C": "14.8", "D": "15.8"}, "correct_answer": "A"},
    {"id": 92, "difficulty": "hard", "question": "Multiply: [(-17/18) × (36/51)] × [(-19/20) × (40/57)]", "options": {"A": "2/3", "B": "-2/3", "C": "3/2", "D": "-3/2"}, "correct_answer": "A"},
    {"id": 93, "difficulty": "hard", "question": "Calculate: (9.6 × 1.25 × 0.4 × 5) ÷ (2.4 × 0.8)", "options": {"A": "12.5", "B": "13.5", "C": "14.5", "D": "15.5"}, "correct_answer": "A"},
    {"id": 94, "difficulty": "hard", "question": "What is [(41/42 × 84/123) + (43/44 × 88/129)] ÷ 2?", "options": {"A": "1", "B": "2", "C": "3", "D": "4"}, "correct_answer": "A"},
    {"id": 95, "difficulty": "hard", "question": "Multiply: (-0.875) × (1.6) × (-0.25) × (4)", "options": {"A": "1.4", "B": "-1.4", "C": "14", "D": "-14"}, "correct_answer": "A"},
    {"id": 96, "difficulty": "hard", "question": "Calculate: [(47/48 × 96/141) - (49/50 × 100/147)] × 24", "options": {"A": "0", "B": "1", "C": "2", "D": "3"}, "correct_answer": "A"},
    {"id": 97, "difficulty": "hard", "question": "What is (18.75 × 0.16 × 3.2 × 1.25)?", "options": {"A": "12", "B": "13", "C": "14", "D": "15"}, "correct_answer": "A"},
    {"id": 98, "difficulty": "hard", "question": "Multiply: [(-23/24) × (48/69)] × [(-25/26) × (52/75)]", "options": {"A": "2/3", "B": "-2/3", "C": "3/2", "D": "-3/2"}, "correct_answer": "A"},
    {"id": 99, "difficulty": "hard", "question": "Calculate: (14.4 × 1.25 × 0.6 × 4) ÷ (2.4 × 1.2)", "options": {"A": "15", "B": "16", "C": "17", "D": "18"}, "correct_answer": "A"},
    {"id": 100, "difficulty": "hard", "question": "What is [(53/54 × 108/159) + (55/56 × 112/165)] ÷ 2?", "options": {"A": "1", "B": "2", "C": "3", "D": "4"}, "correct_answer": "A"}
  ]
}