{
  "title": "Range in Data Handling - Grade 5 ICSE",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "What is the range of these numbers: 5, 7, 3, 9? 📊",
      "options": { "A": "4", "B": "5", "C": "6", "D": "7" },
      "correct_answer": "C"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "Find the range: 10, 15, 12, 18",
      "options": { "A": "5", "B": "6", "C": "7", "D": "8" },
      "correct_answer": "D"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "The heights (in cm) of 4 friends are: 120, 125, 115, 130. What's the range? 📏",
      "options": { "A": "10", "B": "15", "C": "20", "D": "25" },
      "correct_answer": "B"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "Find the range: 2, 4, 6, 8, 10",
      "options": { "A": "6", "B": "7", "C": "8", "D": "9" },
      "correct_answer": "C"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "Scores in a game: 7, 9, 5, 8, 6. What is the range? 🎯",
      "options": { "A": "3", "B": "4", "C": "5", "D": "6" },
      "correct_answer": "B"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "Find the range: 20, 25, 30, 35",
      "options": { "A": "10", "B": "15", "C": "20", "D": "25" },
      "correct_answer": "B"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "Ages of kids: 8, 9, 10, 7, 11. Range = ?",
      "options": { "A": "3", "B": "4", "C": "5", "D": "6" },
      "correct_answer": "B"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "Find the range: 100, 200, 150, 250",
      "options": { "A": "100", "B": "150", "C": "200", "D": "250" },
      "correct_answer": "B"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "Temperatures: 22°C, 25°C, 20°C, 24°C. What's the range? 🌡️",
      "options": { "A": "3°C", "B": "4°C", "C": "5°C", "D": "6°C" },
      "correct_answer": "C"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "Find the range: 1, 3, 5, 7, 9",
      "options": { "A": "7", "B": "8", "C": "9", "D": "10" },
      "correct_answer": "B"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "Book pages read: 15, 20, 25, 30. Range = ? 📚",
      "options": { "A": "10", "B": "15", "C": "20", "D": "25" },
      "correct_answer": "B"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "Find the range: 50, 60, 70, 80",
      "options": { "A": "20", "B": "25", "C": "30", "D": "35" },
      "correct_answer": "C"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "Weights (kg): 32, 35, 30, 38. Range = ? ⚖️",
      "options": { "A": "6", "B": "7", "C": "8", "D": "9" },
      "correct_answer": "C"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "Find the range: 12, 14, 16, 18, 20",
      "options": { "A": "6", "B": "7", "C": "8", "D": "9" },
      "correct_answer": "C"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "Test scores: 85, 90, 80, 95. What is the range? 📝",
      "options": { "A": "10", "B": "15", "C": "20", "D": "25" },
      "correct_answer": "B"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "Find the range: 3, 6, 9, 12, 15",
      "options": { "A": "10", "B": "11", "C": "12", "D": "13" },
      "correct_answer": "C"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "Pocket money: ₹50, ₹75, ₹60, ₹80. Range = ? 💰",
      "options": { "A": "₹20", "B": "₹25", "C": "₹30", "D": "₹35" },
      "correct_answer": "C"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "Find the range: 40, 45, 50, 55, 60",
      "options": { "A": "15", "B": "20", "C": "25", "D": "30" },
      "correct_answer": "B"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "Goals scored: 2, 4, 3, 5, 1. Range = ? ⚽",
      "options": { "A": "3", "B": "4", "C": "5", "D": "6" },
      "correct_answer": "B"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "Find the range: 11, 22, 33, 44",
      "options": { "A": "22", "B": "33", "C": "44", "D": "55" },
      "correct_answer": "B"
    },

    {
      "id": 21,
      "difficulty": "medium",
      "question": "Find the range: 4.5, 3.2, 5.1, 6.3, 2.8 🔢",
      "options": { "A": "2.8", "B": "3.1", "C": "3.5", "D": "4.0" },
      "correct_answer": "C"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "Data: 15, 22, 18, 25, 30, 12. What's the range?",
      "options": { "A": "15", "B": "16", "C": "17", "D": "18" },
      "correct_answer": "D"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "Heights (cm): 145.5, 150.0, 138.2, 155.7. Range = ? 📏",
      "options": { "A": "16.2", "B": "17.5", "C": "18.3", "D": "19.0" },
      "correct_answer": "B"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "Find the range: 7, 14, 21, 28, 35, 42",
      "options": { "A": "30", "B": "35", "C": "40", "D": "45" },
      "correct_answer": "B"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "Temperatures: 36.2°C, 37.5°C, 35.8°C, 38.1°C. Range = ? 🌡️",
      "options": { "A": "1.9°C", "B": "2.1°C", "C": "2.3°C", "D": "2.5°C" },
      "correct_answer": "C"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "Find the range: 25, 50, 75, 100, 125",
      "options": { "A": "75", "B": "90", "C": "100", "D": "125" },
      "correct_answer": "C"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "Weights (kg): 45.3, 48.7, 42.9, 50.1, 47.5. Range = ? ⚖️",
      "options": { "A": "6.8", "B": "7.2", "C": "7.8", "D": "8.4" },
      "correct_answer": "B"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "Find the range: 110, 220, 330, 440, 550",
      "options": { "A": "330", "B": "380", "C": "440", "D": "550" },
      "correct_answer": "C"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "Scores in quiz: 18, 24, 15, 30, 21, 27. Range = ? 📝",
      "options": { "A": "12", "B": "13", "C": "14", "D": "15" },
      "correct_answer": "D"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "Find the range: 1.5, 2.3, 3.1, 4.7, 2.9",
      "options": { "A": "2.2", "B": "2.5", "C": "3.0", "D": "3.2" },
      "correct_answer": "D"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "Ages: 10.5, 11, 9.8, 12.2, 10. Range = ? 🎂",
      "options": { "A": "2.0", "B": "2.2", "C": "2.4", "D": "2.6" },
      "correct_answer": "C"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "Find the range: 16, 25, 36, 49, 64",
      "options": { "A": "40", "B": "45", "C": "48", "D": "50" },
      "correct_answer": "C"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "Money saved (₹): 125.50, 200.75, 150.00, 180.25. Range = ? 💰",
      "options": { "A": "₹65.25", "B": "₹70.50", "C": "₹75.25", "D": "₹80.00" },
      "correct_answer": "C"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "Find the range: 0.1, 0.5, 0.9, 1.3, 1.7",
      "options": { "A": "1.4", "B": "1.5", "C": "1.6", "D": "1.7" },
      "correct_answer": "C"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "Running times (sec): 15.2, 18.5, 16.8, 20.3, 17.6. Range = ? 🏃",
      "options": { "A": "4.8", "B": "5.1", "C": "5.4", "D": "5.7" },
      "correct_answer": "B"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "Find the range: 99, 101, 105, 110, 115",
      "options": { "A": "15", "B": "16", "C": "17", "D": "18" },
      "correct_answer": "B"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "Marks: 78, 85, 92, 67, 74, 89. Range = ? 🎯",
      "options": { "A": "20", "B": "23", "C": "25", "D": "28" },
      "correct_answer": "C"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "Find the range: 3.14, 2.71, 1.62, 4.25, 3.99",
      "options": { "A": "2.45", "B": "2.63", "C": "2.78", "D": "2.91" },
      "correct_answer": "B"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "Heights of plants (cm): 12.3, 15.6, 10.8, 18.2, 13.5. Range = ? 🌱",
      "options": { "A": "6.8", "B": "7.4", "C": "7.9", "D": "8.3" },
      "correct_answer": "B"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "Find the range: 200, 250, 300, 350, 400, 450",
      "options": { "A": "200", "B": "225", "C": "250", "D": "275" },
      "correct_answer": "C"
    },

    {
      "id": 41,
      "difficulty": "hard",
      "question": "Find the range: 0.05, 0.25, 0.45, 0.65, 0.85 🔍",
      "options": { "A": "0.70", "B": "0.75", "C": "0.80", "D": "0.85" },
      "correct_answer": "C"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "Data: 12.34, 15.67, 18.92, 10.45, 20.01. Range = ?",
      "options": { "A": "8.67", "B": "9.56", "C": "10.12", "D": "10.89" },
      "correct_answer": "B"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "Temperatures over week: 36.7°C, 37.2°C, 35.9°C, 38.5°C, 36.0°C, 37.8°C, 35.5°C. Range = ? 🌡️",
      "options": { "A": "2.7°C", "B": "3.0°C", "C": "3.3°C", "D": "3.6°C" },
      "correct_answer": "B"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "Find the range: 1/4, 1/2, 3/4, 1, 1 1/4",
      "options": { "A": "0.75", "B": "1.00", "C": "1.25", "D": "1.50" },
      "correct_answer": "B"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "Weights: 45.67 kg, 50.23 kg, 48.91 kg, 52.34 kg, 47.12 kg. Range = ? ⚖️",
      "options": {
        "A": "6.12 kg",
        "B": "6.45 kg",
        "C": "6.67 kg",
        "D": "6.78 kg"
      },
      "correct_answer": "C"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "Find the range: 0.001, 0.01, 0.1, 1, 10",
      "options": { "A": "9.999", "B": "9.99", "C": "9.9", "D": "10.0" },
      "correct_answer": "A"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "Test scores out of 50: 42.5, 38.7, 45.9, 36.2, 48.1, 40.3. Range = ? 📊",
      "options": { "A": "10.9", "B": "11.5", "C": "11.9", "D": "12.4" },
      "correct_answer": "C"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "Find the range: 0.25, 0.5, 0.75, 1.0, 1.25, 1.5, 1.75",
      "options": { "A": "1.25", "B": "1.40", "C": "1.50", "D": "1.75" },
      "correct_answer": "C"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "Running times: 45.23 sec, 50.67 sec, 48.91 sec, 52.34 sec, 47.12 sec. Range = ? 🏃",
      "options": {
        "A": "6.45",
        "B": "6.89",
        "C": "7.11",
        "D": "7.25"
      },
      "correct_answer": "C"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "Find the range: 100.1, 200.2, 300.3, 400.4, 500.5",
      "options": { "A": "399.4", "B": "400.3", "C": "400.4", "D": "401.5" },
      "correct_answer": "C"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "Heights of buildings (m): 12.34, 15.67, 18.45, 20.12, 14.89. Range = ? 🏗️",
      "options": { "A": "7.43", "B": "7.65", "C": "7.78", "D": "7.92" },
      "correct_answer": "C"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "Find the range: 0.333..., 0.666..., 0.25, 0.75, 0.5",
      "options": {
        "A": "0.416...",
        "B": "0.5",
        "C": "0.583...",
        "D": "0.666..."
      },
      "correct_answer": "B"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "Money in accounts: ₹1234.56, ₹987.65, ₹1567.89, ₹876.54. Range = ? 💰",
      "options": {
        "A": "₹691.35",
        "B": "₹712.45",
        "C": "₹745.67",
        "D": "₹789.01"
      },
      "correct_answer": "A"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "Find the range: 1/8, 1/4, 3/8, 1/2, 5/8, 3/4, 7/8",
      "options": {
        "A": "0.75",
        "B": "0.825",
        "C": "0.875",
        "D": "0.9375"
      },
      "correct_answer": "A"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "Temperatures (°F): 98.6, 99.5, 100.2, 97.8, 101.1, 99.9. Range = ? 🌡️",
      "options": { "A": "3.0", "B": "3.3", "C": "3.6", "D": "4.1" },
      "correct_answer": "B"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "Find the range: 0.001, 0.01, 0.1, 0.2, 0.3, 0.4, 0.5",
      "options": { "A": "0.499", "B": "0.5", "C": "0.501", "D": "0.599" },
      "correct_answer": "A"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "Test percentages: 87.5%, 92.3%, 78.9%, 85.6%, 95.1%, 80.2%. Range = ? 📝",
      "options": { "A": "15.8%", "B": "16.2%", "C": "16.8%", "D": "17.4%" },
      "correct_answer": "B"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "Find the range: 2.718, 3.142, 1.618, 0.577, 1.414",
      "options": { "A": "2.141", "B": "2.345", "C": "2.565", "D": "2.718" },
      "correct_answer": "C"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "Distances (km): 12.345, 15.678, 18.901, 10.234, 20.567. Range = ? 🚗",
      "options": { "A": "9.432", "B": "10.233", "C": "10.333", "D": "10.567" },
      "correct_answer": "C"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "Find the range: 0.0001, 0.001, 0.01, 0.1, 1.0",
      "options": { "A": "0.9999", "B": "1.0", "C": "1.0001", "D": "1.001" },
      "correct_answer": "A"
    }
  ]
}