{
  "title": "Multiplication of Decimals - Grade 7 CBSE",
  "total_questions": 150,
  "questions": [
    {"id": 1, "difficulty": "easy", "question": "What is 0.3 × 0.4?", "options": {"A": "0.12", "B": "0.7", "C": "1.2", "D": "0.07"}, "correct_answer": "A"},
    {"id": 2, "difficulty": "easy", "question": "Multiply: 2.5 × 4", "options": {"A": "8.5", "B": "10.0", "C": "6.5", "D": "9.0"}, "correct_answer": "B"},
    {"id": 3, "difficulty": "easy", "question": "What is 1.2 × 3?", "options": {"A": "3.2", "B": "3.6", "C": "4.2", "D": "2.6"}, "correct_answer": "B"},
    {"id": 4, "difficulty": "easy", "question": "Calculate: 0.7 × 0.2", "options": {"A": "0.14", "B": "0.9", "C": "1.4", "D": "0.09"}, "correct_answer": "A"},
    {"id": 5, "difficulty": "easy", "question": "Find: 5 × 0.6", "options": {"A": "2.5", "B": "3.0", "C": "5.6", "D": "2.0"}, "correct_answer": "B"},
    {"id": 6, "difficulty": "easy", "question": "What is 0.8 × 0.5?", "options": {"A": "0.4", "B": "0.13", "C": "0.04", "D": "1.3"}, "correct_answer": "A"},
    {"id": 7, "difficulty": "easy", "question": "Multiply: 3.1 × 2", "options": {"A": "5.1", "B": "6.2", "C": "3.3", "D": "4.2"}, "correct_answer": "B"},
    {"id": 8, "difficulty": "easy", "question": "What is 0.9 × 7?", "options": {"A": "5.3", "B": "7.9", "C": "6.3", "D": "8.2"}, "correct_answer": "C"},
    {"id": 9, "difficulty": "easy", "question": "Calculate: 0.4 × 0.6", "options": {"A": "0.24", "B": "1.0", "C": "0.1", "D": "2.4"}, "correct_answer": "A"},
    {"id": 10, "difficulty": "easy", "question": "Find: 1.5 × 4", "options": {"A": "5.0", "B": "6.0", "C": "4.5", "D": "5.5"}, "correct_answer": "B"},
    {"id": 11, "difficulty": "easy", "question": "What is 0.25 × 8?", "options": {"A": "1.5", "B": "2.0", "C": "2.5", "D": "3.0"}, "correct_answer": "B"},
    {"id": 12, "difficulty": "easy", "question": "Multiply: 0.6 × 0.3", "options": {"A": "0.18", "B": "0.9", "C": "1.8", "D": "0.03"}, "correct_answer": "A"},
    {"id": 13, "difficulty": "easy", "question": "What is 2.2 × 5?", "options": {"A": "10.0", "B": "11.0", "C": "12.0", "D": "9.0"}, "correct_answer": "B"},
    {"id": 14, "difficulty": "easy", "question": "Calculate: 0.15 × 4", "options": {"A": "0.45", "B": "0.6", "C": "0.5", "D": "0.4"}, "correct_answer": "B"},
    {"id": 15, "difficulty": "easy", "question": "Find: 0.8 × 0.7", "options": {"A": "0.15", "B": "0.56", "C": "0.65", "D": "1.5"}, "correct_answer": "B"},
    {"id": 16, "difficulty": "easy", "question": "What is 3 × 1.2?", "options": {"A": "3.2", "B": "4.2", "C": "3.6", "D": "2.6"}, "correct_answer": "C"},
    {"id": 17, "difficulty": "easy", "question": "Multiply: 0.9 × 0.9", "options": {"A": "0.18", "B": "0.81", "C": "1.8", "D": "0.99"}, "correct_answer": "B"},
    {"id": 18, "difficulty": "easy", "question": "What is 2.5 × 0.4?", "options": {"A": "0.8", "B": "1.0", "C": "2.1", "D": "0.6"}, "correct_answer": "B"},
    {"id": 19, "difficulty": "easy", "question": "Calculate: 1.1 × 6", "options": {"A": "6.1", "B": "6.6", "C": "7.1", "D": "5.6"}, "correct_answer": "B"},
    {"id": 20, "difficulty": "easy", "question": "Find: 0.12 × 5", "options": {"A": "0.6", "B": "0.52", "C": "0.17", "D": "0.7"}, "correct_answer": "A"},
    {"id": 21, "difficulty": "medium", "question": "What is 3.25 × 1.6?", "options": {"A": "4.8", "B": "5.2", "C": "4.5", "D": "5.0"}, "correct_answer": "B"},
    {"id": 22, "difficulty": "medium", "question": "Multiply: 4.78 × 2.3", "options": {"A": "10.994", "B": "11.894", "C": "9.994", "D": "12.094"}, "correct_answer": "A"},
    {"id": 23, "difficulty": "medium", "question": "Calculate: 2.34 × 0.56", "options": {"A": "1.3104", "B": "1.2104", "C": "1.4104", "D": "1.1104"}, "correct_answer": "A"},
    {"id": 24, "difficulty": "medium", "question": "What is 12.5 × 0.08?", "options": {"A": "0.9", "B": "1.0", "C": "1.2", "D": "1.1"}, "correct_answer": "B"},
    {"id": 25, "difficulty": "medium", "question": "Multiply: 7.65 × 1.2", "options": {"A": "9.08", "B": "9.18", "C": "8.18", "D": "10.18"}, "correct_answer": "B"},
    {"id": 26, "difficulty": "medium", "question": "Find: 0.345 × 2.4", "options": {"A": "0.818", "B": "0.828", "C": "0.808", "D": "0.838"}, "correct_answer": "B"},
    {"id": 27, "difficulty": "medium", "question": "What is 6.25 × 3.2?", "options": {"A": "19.0", "B": "20.0", "C": "18.0", "D": "21.0"}, "correct_answer": "B"},
    {"id": 28, "difficulty": "medium", "question": "Calculate: 8.9 × 0.45", "options": {"A": "3.905", "B": "4.005", "C": "4.105", "D": "4.205"}, "correct_answer": "B"},
    {"id": 29, "difficulty": "medium", "question": "Multiply: 15.3 × 0.06", "options": {"A": "0.818", "B": "0.918", "C": "0.718", "D": "1.018"}, "correct_answer": "B"},
    {"id": 30, "difficulty": "medium", "question": "What is 23.4 × 1.5?", "options": {"A": "34.1", "B": "35.1", "C": "36.1", "D": "33.1"}, "correct_answer": "B"},
    {"id": 31, "difficulty": "medium", "question": "Find: 0.125 × 8.4", "options": {"A": "1.05", "B": "1.15", "C": "1.25", "D": "1.35"}, "correct_answer": "A"},
    {"id": 32, "difficulty": "medium", "question": "Multiply: 9.87 × 0.32", "options": {"A": "3.1584", "B": "3.2584", "C": "3.0584", "D": "3.3584"}, "correct_answer": "A"},
    {"id": 33, "difficulty": "medium", "question": "What is 45.6 × 0.25?", "options": {"A": "11.3", "B": "11.4", "C": "11.5", "D": "11.6"}, "correct_answer": "B"},
    {"id": 34, "difficulty": "medium", "question": "Calculate: 3.14 × 2.7", "options": {"A": "8.478", "B": "8.578", "C": "8.378", "D": "8.678"}, "correct_answer": "A"},
    {"id": 35, "difficulty": "medium", "question": "Multiply: 6.05 × 4.8", "options": {"A": "29.04", "B": "28.04", "C": "29.14", "D": "28.14"}, "correct_answer": "A"},
    {"id": 36, "difficulty": "medium", "question": "What is 0.375 × 12?", "options": {"A": "4.2", "B": "4.3", "C": "4.4", "D": "4.5"}, "correct_answer": "D"},
    {"id": 37, "difficulty": "medium", "question": "Find: 18.9 × 0.75", "options": {"A": "14.075", "B": "14.175", "C": "14.275", "D": "14.375"}, "correct_answer": "B"},
    {"id": 38, "difficulty": "medium", "question": "Multiply: 2.48 × 3.5", "options": {"A": "8.58", "B": "8.68", "C": "8.78", "D": "8.88"}, "correct_answer": "B"},
    {"id": 39, "difficulty": "medium", "question": "What is 32.5 × 0.04?", "options": {"A": "1.2", "B": "1.3", "C": "1.4", "D": "1.5"}, "correct_answer": "B"},
    {"id": 40, "difficulty": "medium", "question": "Calculate: 5.67 × 0.89", "options": {"A": "5.0463", "B": "5.1463", "C": "5.2463", "D": "4.9463"}, "correct_answer": "A"},
    {"id": 41, "difficulty": "medium", "question": "Multiply: 0.009 × 100", "options": {"A": "0.9", "B": "9.0", "C": "0.09", "D": "90.0"}, "correct_answer": "A"},
    {"id": 42, "difficulty": "medium", "question": "What is 7.23 × 1.08?", "options": {"A": "7.8084", "B": "7.9084", "C": "8.0084", "D": "7.7084"}, "correct_answer": "A"},
    {"id": 43, "difficulty": "medium", "question": "Find: 0.456 × 2.5", "options": {"A": "1.14", "B": "1.24", "C": "1.34", "D": "1.44"}, "correct_answer": "A"},
    {"id": 44, "difficulty": "medium", "question": "Multiply: 12.34 × 0.56", "options": {"A": "6.9104", "B": "6.8104", "C": "7.0104", "D": "6.7104"}, "correct_answer": "A"},
    {"id": 45, "difficulty": "medium", "question": "What is 0.025 × 400?", "options": {"A": "10", "B": "100", "C": "1", "D": "0.1"}, "correct_answer": "A"},
    {"id": 46, "difficulty": "medium", "question": "Calculate: 8.75 × 3.2", "options": {"A": "27.8", "B": "27.9", "C": "28.0", "D": "28.1"}, "correct_answer": "C"},
    {"id": 47, "difficulty": "medium", "question": "Multiply: 0.333 × 9", "options": {"A": "2.997", "B": "2.897", "C": "3.097", "D": "3.197"}, "correct_answer": "A"},
    {"id": 48, "difficulty": "medium", "question": "What is 6.48 × 0.125?", "options": {"A": "0.81", "B": "0.71", "C": "0.91", "D": "0.61"}, "correct_answer": "A"},
    {"id": 49, "difficulty": "medium", "question": "Find: 2.22 × 4.5", "options": {"A": "9.99", "B": "10.09", "C": "9.89", "D": "10.19"}, "correct_answer": "A"},
    {"id": 50, "difficulty": "medium", "question": "Multiply: 0.067 × 1.5", "options": {"A": "0.1005", "B": "0.0905", "C": "0.1105", "D": "0.1205"}, "correct_answer": "A"},
    {"id": 51, "difficulty": "medium", "question": "What is 4.56 × 7.8?", "options": {"A": "35.568", "B": "35.668", "C": "34.568", "D": "36.568"}, "correct_answer": "A"},
    {"id": 52, "difficulty": "medium", "question": "Calculate: 9.99 × 0.99", "options": {"A": "9.8901", "B": "9.9901", "C": "9.7901", "D": "9.6901"}, "correct_answer": "A"},
    {"id": 53, "difficulty": "medium", "question": "Multiply: 1.234 × 5.6", "options": {"A": "6.9104", "B": "6.8104", "C": "7.0104", "D": "6.7104"}, "correct_answer": "A"},
    {"id": 54, "difficulty": "medium", "question": "What is 0.008 × 125?", "options": {"A": "1.0", "B": "0.1", "C": "10.0", "D": "0.01"}, "correct_answer": "A"},
    {"id": 55, "difficulty": "medium", "question": "Find: 3.75 × 2.4", "options": {"A": "8.8", "B": "8.9", "C": "9.0", "D": "9.1"}, "correct_answer": "C"},
    {"id": 56, "difficulty": "medium", "question": "Multiply: 0.456 × 0.789", "options": {"A": "0.359784", "B": "0.369784", "C": "0.349784", "D": "0.379784"}, "correct_answer": "A"},
    {"id": 57, "difficulty": "medium", "question": "What is 5.67 × 3.33?", "options": {"A": "18.8811", "B": "18.7811", "C": "18.9811", "D": "19.0811"}, "correct_answer": "A"},
    {"id": 58, "difficulty": "medium", "question": "Calculate: 7.89 × 0.045", "options": {"A": "0.35505", "B": "0.36505", "C": "0.37505", "D": "0.34505"}, "correct_answer": "A"},
    {"id": 59, "difficulty": "medium", "question": "Multiply: 12.5 × 0.064", "options": {"A": "0.8", "B": "0.7", "C": "0.9", "D": "0.6"}, "correct_answer": "A"},
    {"id": 60, "difficulty": "medium", "question": "What is 0.999 × 8?", "options": {"A": "7.992", "B": "7.892", "C": "8.092", "D": "7.692"}, "correct_answer": "A"},
    {"id": 61, "difficulty": "medium", "question": "Find: 6.54 × 2.78", "options": {"A": "18.1812", "B": "18.2812", "C": "18.0812", "D": "18.3812"}, "correct_answer": "A"},
    {"id": 62, "difficulty": "medium", "question": "Multiply: 0.0075 × 80", "options": {"A": "0.6", "B": "0.5", "C": "0.7", "D": "0.4"}, "correct_answer": "A"},
    {"id": 63, "difficulty": "medium", "question": "What is 3.1416 × 2.5?", "options": {"A": "7.854", "B": "7.954", "C": "8.054", "D": "7.754"}, "correct_answer": "A"},
    {"id": 64, "difficulty": "medium", "question": "Calculate: 8.25 × 0.12", "options": {"A": "0.99", "B": "1.09", "C": "0.89", "D": "1.19"}, "correct_answer": "A"},
    {"id": 65, "difficulty": "medium", "question": "Multiply: 0.3333 × 6", "options": {"A": "1.9998", "B": "2.0998", "C": "1.8998", "D": "2.1998"}, "correct_answer": "A"},
    {"id": 66, "difficulty": "medium", "question": "What is 4.44 × 5.55?", "options": {"A": "24.642", "B": "24.742", "C": "24.542", "D": "24.842"}, "correct_answer": "A"},
    {"id": 67, "difficulty": "medium", "question": "Find: 9.87 × 0.065", "options": {"A": "0.64155", "B": "0.65155", "C": "0.63155", "D": "0.66155"}, "correct_answer": "A"},
    {"id": 68, "difficulty": "medium", "question": "Multiply: 2.5 × 3.6 × 1.2", "options": {"A": "10.8", "B": "11.8", "C": "10.3", "D": "11.3"}, "correct_answer": "A"},
    {"id": 69, "difficulty": "medium", "question": "What is 0.125 × 0.8 × 10?", "options": {"A": "1.0", "B": "0.1", "C": "10.0", "D": "0.01"}, "correct_answer": "A"},
    {"id": 70, "difficulty": "medium", "question": "Calculate: 7.2 × 0.25 × 4", "options": {"A": "7.2", "B": "6.2", "C": "8.2", "D": "5.2"}, "correct_answer": "A"},
    {"id": 71, "difficulty": "medium", "question": "Multiply: 3.14 × 1.5 × 2", "options": {"A": "9.42", "B": "8.42", "C": "10.42", "D": "9.92"}, "correct_answer": "A"},
    {"id": 72, "difficulty": "medium", "question": "What is 0.6 × 0.7 × 0.8?", "options": {"A": "0.336", "B": "0.436", "C": "0.236", "D": "0.536"}, "correct_answer": "A"},
    {"id": 73, "difficulty": "medium", "question": "Find: 4.5 × 0.04 × 5", "options": {"A": "0.9", "B": "1.9", "C": "0.8", "D": "1.8"}, "correct_answer": "A"},
    {"id": 74, "difficulty": "medium", "question": "Multiply: 2.22 × 3.33 × 0.5", "options": {"A": "3.6963", "B": "3.7963", "C": "3.5963", "D": "3.8963"}, "correct_answer": "A"},
    {"id": 75, "difficulty": "medium", "question": "What is 0.09 × 11 × 0.2?", "options": {"A": "0.198", "B": "0.298", "C": "0.098", "D": "0.398"}, "correct_answer": "A"},
    {"id": 76, "difficulty": "medium", "question": "Calculate: 6.25 × 0.8 × 2", "options": {"A": "10.0", "B": "9.0", "C": "11.0", "D": "8.0"}, "correct_answer": "A"},
    {"id": 77, "difficulty": "medium", "question": "Multiply: 1.25 × 3.2 × 0.5", "options": {"A": "2.0", "B": "1.5", "C": "2.5", "D": "3.0"}, "correct_answer": "A"},
    {"id": 78, "difficulty": "medium", "question": "What is 0.333 × 0.666 × 3?", "options": {"A": "0.666", "B": "0.766", "C": "0.566", "D": "0.866"}, "correct_answer": "A"},
    {"id": 79, "difficulty": "medium", "question": "Find: 8.4 × 0.75 × 2", "options": {"A": "12.6", "B": "11.6", "C": "13.6", "D": "12.1"}, "correct_answer": "A"},
    {"id": 80, "difficulty": "medium", "question": "Multiply: 0.05 × 20 × 0.3", "options": {"A": "0.3", "B": "0.2", "C": "0.4", "D": "0.5"}, "correct_answer": "A"},
    {"id": 81, "difficulty": "hard", "question": "A rectangle has length 3.75 m and width 2.4 m. What is its area?", "options": {"A": "8.5 m²", "B": "8.8 m²", "C": "9.0 m²", "D": "9.5 m²"}, "correct_answer": "C"},
    {"id": 82, "difficulty": "hard", "question": "If 1 kg of apples costs ₹65.75, how much will 3.5 kg cost?", "options": {"A": "₹230.125", "B": "₹230.025", "C": "₹230.225", "D": "₹230.325"}, "correct_answer": "A"},
    {"id": 83, "difficulty": "hard", "question": "A car travels 45.6 km in 1 hour. How far will it travel in 2.75 hours?", "options": {"A": "125.2 km", "B": "125.3 km", "C": "125.4 km", "D": "125.5 km"}, "correct_answer": "C"},
    {"id": 84, "difficulty": "hard", "question": "Multiply: 0.00789 × 456.7", "options": {"A": "3.604263", "B": "3.704263", "C": "3.504263", "D": "3.804263"}, "correct_answer": "A"},
    {"id": 85, "difficulty": "hard", "question": "What is 0.123456 × 789?", "options": {"A": "97.406784", "B": "97.506784", "C": "97.306784", "D": "97.606784"}, "correct_answer": "A"},
    {"id": 86, "difficulty": "hard", "question": "If 2.345 × □ = 23.45, what is □?", "options": {"A": "0.1", "B": "1.0", "C": "10.0", "D": "100.0"}, "correct_answer": "C"},
    {"id": 87, "difficulty": "hard", "question": "Calculate: 0.0001 × 99999", "options": {"A": "9.9999", "B": "99.999", "C": "0.99999", "D": "999.99"}, "correct_answer": "A"},
    {"id": 88, "difficulty": "hard", "question": "A bookshelf has 5 shelves, each 1.85 m long. What is the total length if arranged end to end?", "options": {"A": "9.15 m", "B": "9.25 m", "C": "9.35 m", "D": "9.45 m"}, "correct_answer": "B"},
    {"id": 89, "difficulty": "hard", "question": "Multiply: 123.456 × 0.0089", "options": {"A": "1.0987584", "B": "1.1987584", "C": "1.0986584", "D": "1.0988584"}, "correct_answer": "A"},
    {"id": 90, "difficulty": "hard", "question": "What is 45.67 × 3.1416?", "options": {"A": "143.458872", "B": "143.558872", "C": "143.358872", "D": "143.658872"}, "correct_answer": "A"},
    {"id": 91, "difficulty": "hard", "question": "If 0.025 × x = 1.25, what is x?", "options": {"A": "50", "B": "5", "C": "500", "D": "0.5"}, "correct_answer": "A"},
    {"id": 92, "difficulty": "hard", "question": "Calculate: 999.999 × 0.001", "options": {"A": "0.999999", "B": "9.99999", "C": "99.9999", "D": "0.0999999"}, "correct_answer": "A"},
    {"id": 93, "difficulty": "hard", "question": "A recipe needs 0.375 kg flour per cake. How much flour for 4.5 cakes?", "options": {"A": "1.6875 kg", "B": "1.5875 kg", "C": "1.7875 kg", "D": "1.4875 kg"}, "correct_answer": "A"},
    {"id": 94, "difficulty": "hard", "question": "Multiply: 0.333333 × 0.666667", "options": {"A": "0.222222", "B": "0.222221", "C": "0.222223", "D": "0.222224"}, "correct_answer": "A"},
    {"id": 95, "difficulty": "hard", "question": "What is 78.9 × 0.0456 × 100?", "options": {"A": "359.784", "B": "359.884", "C": "359.684", "D": "359.984"}, "correct_answer": "A"},
    {"id": 96, "difficulty": "hard", "question": "If each step is 0.18 m high, how high is a staircase with 12.5 steps?", "options": {"A": "2.25 m", "B": "2.15 m", "C": "2.35 m", "D": "2.45 m"}, "correct_answer": "A"},
    {"id": 97, "difficulty": "hard", "question": "Calculate: 1.23456 × 7.89012", "options": {"A": "9.7407398272", "B": "9.7406398272", "C": "9.7408398272", "D": "9.7409398272"}, "correct_answer": "A"},
    {"id": 98, "difficulty": "hard", "question": "What is 0.000345 × 6789?", "options": {"A": "2.342205", "B": "2.342305", "C": "2.342105", "D": "2.342405"}, "correct_answer": "A"},
    {"id": 99, "difficulty": "hard", "question": "A rope is cut into 8.75 equal pieces, each 1.2 m. What was original length?", "options": {"A": "10.4 m", "B": "10.5 m", "C": "10.6 m", "D": "10.7 m"}, "correct_answer": "B"},
    {"id": 100, "difficulty": "hard", "question": "Multiply: 0.009876 × 54321", "options": {"A": "536.395596", "B": "536.495596", "C": "536.295596", "D": "536.595596"}, "correct_answer": "A"}
  ,
 {"id":101,"difficulty":"easy","question":"What is 0.2 × 0.5?","options":{"A":"0.1","B":"1.0","C":"0.25","D":"0.05"},"correct_answer":"A"},
    {"id":102,"difficulty":"easy","question":"Multiply: 4 × 0.75","options":{"A":"2.5","B":"3.0","C":"3.5","D":"4.0"},"correct_answer":"B"},
    {"id":103,"difficulty":"easy","question":"What is 0.6 × 0.4?","options":{"A":"0.24","B":"0.04","C":"0.64","D":"0.12"},"correct_answer":"A"},
    {"id":104,"difficulty":"easy","question":"Calculate: 1.8 × 5","options":{"A":"8.0","B":"8.5","C":"9.0","D":"9.5"},"correct_answer":"C"},
    {"id":105,"difficulty":"easy","question":"Find: 0.9 × 0.3","options":{"A":"0.03","B":"0.27","C":"0.9","D":"0.12"},"correct_answer":"B"},
    {"id":106,"difficulty":"easy","question":"What is 2.4 × 3?","options":{"A":"6.8","B":"7.2","C":"7.8","D":"8.2"},"correct_answer":"B"},
    {"id":107,"difficulty":"easy","question":"Multiply: 0.05 × 6","options":{"A":"0.3","B":"0.03","C":"3.0","D":"0.5"},"correct_answer":"A"},
    {"id":108,"difficulty":"easy","question":"Calculate: 1.25 × 8","options":{"A":"9.0","B":"9.5","C":"10.0","D":"10.5"},"correct_answer":"C"},
    {"id":109,"difficulty":"easy","question":"What is 0.4 × 9?","options":{"A":"3.2","B":"3.6","C":"4.0","D":"4.4"},"correct_answer":"B"},
    {"id":110,"difficulty":"easy","question":"Find: 0.7 × 6","options":{"A":"4.2","B":"3.2","C":"5.2","D":"4.8"},"correct_answer":"A"},

    {"id":111,"difficulty":"medium","question":"Calculate: 2.75 × 1.6","options":{"A":"4.2","B":"4.4","C":"4.6","D":"4.8"},"correct_answer":"B"},
    {"id":112,"difficulty":"medium","question":"Multiply: 6.4 × 0.35","options":{"A":"2.14","B":"2.24","C":"2.34","D":"2.44"},"correct_answer":"B"},
    {"id":113,"difficulty":"medium","question":"What is 0.125 × 16?","options":{"A":"1.5","B":"2.0","C":"2.5","D":"3.0"},"correct_answer":"B"},
    {"id":114,"difficulty":"medium","question":"Calculate: 3.6 × 2.25","options":{"A":"7.8","B":"8.1","C":"8.4","D":"8.7"},"correct_answer":"B"},
    {"id":115,"difficulty":"medium","question":"Multiply: 9.5 × 0.48","options":{"A":"4.36","B":"4.46","C":"4.56","D":"4.66"},"correct_answer":"C"},
    {"id":116,"difficulty":"medium","question":"What is 14.2 × 0.5?","options":{"A":"6.1","B":"6.6","C":"7.1","D":"7.6"},"correct_answer":"C"},
    {"id":117,"difficulty":"medium","question":"Calculate: 0.84 × 2.5","options":{"A":"1.8","B":"2.0","C":"2.1","D":"2.3"},"correct_answer":"C"},
    {"id":118,"difficulty":"medium","question":"Multiply: 7.08 × 0.6","options":{"A":"4.148","B":"4.248","C":"4.348","D":"4.448"},"correct_answer":"B"},
    {"id":119,"difficulty":"medium","question":"What is 18.75 × 0.16?","options":{"A":"2.8","B":"3.0","C":"3.2","D":"3.4"},"correct_answer":"B"},
    {"id":120,"difficulty":"medium","question":"Calculate: 5.6 × 1.25","options":{"A":"6.5","B":"7.0","C":"7.5","D":"8.0"},"correct_answer":"B"},

    {"id":121,"difficulty":"medium","question":"Multiply: 0.072 × 125","options":{"A":"8.0","B":"9.0","C":"9.5","D":"10.0"},"correct_answer":"B"},
    {"id":122,"difficulty":"medium","question":"What is 4.32 × 0.75?","options":{"A":"3.14","B":"3.24","C":"3.34","D":"3.44"},"correct_answer":"B"},
    {"id":123,"difficulty":"medium","question":"Calculate: 2.08 × 3.5","options":{"A":"7.08","B":"7.18","C":"7.28","D":"7.38"},"correct_answer":"C"},
    {"id":124,"difficulty":"medium","question":"Multiply: 0.96 × 0.75","options":{"A":"0.62","B":"0.72","C":"0.82","D":"0.92"},"correct_answer":"B"},
    {"id":125,"difficulty":"medium","question":"What is 11.2 × 0.25?","options":{"A":"2.6","B":"2.7","C":"2.8","D":"2.9"},"correct_answer":"C"},
    {"id":126,"difficulty":"medium","question":"Calculate: 6.75 × 1.2","options":{"A":"7.9","B":"8.1","C":"8.3","D":"8.5"},"correct_answer":"B"},
    {"id":127,"difficulty":"medium","question":"Multiply: 0.405 × 2","options":{"A":"0.61","B":"0.71","C":"0.81","D":"0.91"},"correct_answer":"C"},
    {"id":128,"difficulty":"medium","question":"What is 3.2 × 0.875?","options":{"A":"2.6","B":"2.7","C":"2.8","D":"2.9"},"correct_answer":"C"},
    {"id":129,"difficulty":"medium","question":"Calculate: 12.48 × 0.4","options":{"A":"4.8","B":"4.9","C":"5.0","D":"5.1"},"correct_answer":"C"},
    {"id":130,"difficulty":"medium","question":"Multiply: 1.44 × 2.5","options":{"A":"3.2","B":"3.4","C":"3.6","D":"3.8"},"correct_answer":"C"},

    {"id":131,"difficulty":"hard","question":"A field is 12.5 m long and 4.8 m wide. Find its area.","options":{"A":"58.0 m²","B":"59.0 m²","C":"60.0 m²","D":"61.0 m²"},"correct_answer":"C"},
    {"id":132,"difficulty":"hard","question":"If 1 notebook costs ₹37.6, what is the cost of 8.5 notebooks?","options":{"A":"₹319.6","B":"₹319.8","C":"₹320.6","D":"₹321.6"},"correct_answer":"A"},
    {"id":133,"difficulty":"hard","question":"A train runs 62.4 km per hour. How far will it go in 3.75 hours?","options":{"A":"234.0 km","B":"234.5 km","C":"235.0 km","D":"235.5 km"},"correct_answer":"A"},
    {"id":134,"difficulty":"hard","question":"Calculate: 0.00625 × 320","options":{"A":"1.8","B":"2.0","C":"2.2","D":"2.4"},"correct_answer":"B"},
    {"id":135,"difficulty":"hard","question":"Multiply: 48.75 × 0.64","options":{"A":"30.2","B":"31.0","C":"31.2","D":"32.0"},"correct_answer":"C"},
    {"id":136,"difficulty":"hard","question":"What is 7.2 × 3.75?","options":{"A":"26.5","B":"27.0","C":"27.5","D":"28.0"},"correct_answer":"B"},
    {"id":137,"difficulty":"hard","question":"Calculate: 0.0048 × 1250","options":{"A":"5.8","B":"6.0","C":"6.2","D":"6.4"},"correct_answer":"B"},
    {"id":138,"difficulty":"hard","question":"If 0.48 × x = 12, find x.","options":{"A":"20","B":"22","C":"24","D":"25"},"correct_answer":"C"},
    {"id":139,"difficulty":"hard","question":"Multiply: 2.56 × 3.125","options":{"A":"7.6","B":"7.8","C":"8.0","D":"8.2"},"correct_answer":"C"},
    {"id":140,"difficulty":"hard","question":"A ribbon is 1.75 m long. What is the total length of 14 such ribbons?","options":{"A":"24.0 m","B":"24.5 m","C":"25.0 m","D":"25.5 m"},"correct_answer":"B"},

    {"id":141,"difficulty":"hard","question":"Calculate: 0.125 × 0.32 × 1000","options":{"A":"4.0","B":"4.5","C":"5.0","D":"5.5"},"correct_answer":"C"},
    {"id":142,"difficulty":"hard","question":"Multiply: 9.375 × 1.28","options":{"A":"11.8","B":"12.0","C":"12.2","D":"12.4"},"correct_answer":"B"},
    {"id":143,"difficulty":"hard","question":"What is 15.6 × 0.875?","options":{"A":"13.4","B":"13.6","C":"13.8","D":"14.0"},"correct_answer":"C"},
    {"id":144,"difficulty":"hard","question":"Calculate: 0.0025 × 4800","options":{"A":"10","B":"11","C":"12","D":"13"},"correct_answer":"C"},
    {"id":145,"difficulty":"hard","question":"Multiply: 3.84 × 2.125","options":{"A":"8.06","B":"8.16","C":"8.26","D":"8.36"},"correct_answer":"B"},
    {"id":146,"difficulty":"hard","question":"If one box weighs 2.48 kg, what is the weight of 7.5 such boxes?","options":{"A":"18.4 kg","B":"18.6 kg","C":"18.8 kg","D":"19.0 kg"},"correct_answer":"C"},
    {"id":147,"difficulty":"hard","question":"Calculate: 0.96 × 0.625 × 20","options":{"A":"10.8","B":"11.2","C":"12.0","D":"12.5"},"correct_answer":"C"},
    {"id":148,"difficulty":"hard","question":"Multiply: 4.375 × 1.6","options":{"A":"6.8","B":"7.0","C":"7.2","D":"7.4"},"correct_answer":"C"},
    {"id":149,"difficulty":"hard","question":"What is 0.015 × 2400?","options":{"A":"34","B":"35","C":"36","D":"37"},"correct_answer":"C"},
    {"id":150,"difficulty":"hard","question":"Calculate: 6.25 × 0.48 × 4","options":{"A":"11.5","B":"12.0","C":"12.5","D":"13.0"},"correct_answer":"B"}
]
}