{
  "title": "Measurement - Converting Units (Length, Weight, Capacity)",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "Easy",
      "question": "1 meter = how many centimeters?",
      "options": { "A": "100 cm", "B": "10 cm", "C": "50 cm", "D": "1 cm" },
      "correct_answer": "A"
    },
    {
      "id": 2,
      "difficulty": "Easy",
      "question": "1000 grams = how many kilograms?",
      "options": { "A": "1 kg", "B": "10 kg", "C": "100 kg", "D": "500 g" },
      "correct_answer": "A"
    },
    {
      "id": 3,
      "difficulty": "Easy",
      "question": "1 liter = how many milliliters?",
      "options": { "A": "1000 ml", "B": "100 ml", "C": "10 ml", "D": "500 ml" },
      "correct_answer": "A"
    },
    {
      "id": 4,
      "difficulty": "Easy",
      "question": "Which is bigger: 1 m or 50 cm?",
      "options": {
        "A": "1 m",
        "B": "50 cm",
        "C": "Both same",
        "D": "Cannot compare"
      },
      "correct_answer": "A"
    },
    {
      "id": 5,
      "difficulty": "Easy",
      "question": "Which is heavier: 1 kg or 500 g?",
      "options": { "A": "1 kg", "B": "500 g", "C": "Both same", "D": "500 kg" },
      "correct_answer": "A"
    },
    {
      "id": 6,
      "difficulty": "Easy",
      "question": "How many meters in 200 cm?",
      "options": { "A": "2 m", "B": "20 m", "C": "4 m", "D": "1 m" },
      "correct_answer": "A"
    },
    {
      "id": 7,
      "difficulty": "Easy",
      "question": "500 ml is equal to:",
      "options": { "A": "0.5 L", "B": "5 L", "C": "50 L", "D": "2 L" },
      "correct_answer": "A"
    },
    {
      "id": 8,
      "difficulty": "Easy",
      "question": "2 kg = how many grams?",
      "options": { "A": "2000 g", "B": "20 g", "C": "100 g", "D": "500 g" },
      "correct_answer": "A"
    },
    {
      "id": 9,
      "difficulty": "Easy",
      "question": "Which is longer: 1 km or 500 m?",
      "options": { "A": "1 km", "B": "500 m", "C": "Both same", "D": "5000 m" },
      "correct_answer": "A"
    },
    {
      "id": 10,
      "difficulty": "Easy",
      "question": "250 ml = how many liters?",
      "options": { "A": "0.25 L", "B": "2.5 L", "C": "25 L", "D": "1 L" },
      "correct_answer": "A"
    },
    {
      "id": 11,
      "difficulty": "Easy",
      "question": "50 cm = how many meters?",
      "options": { "A": "0.5 m", "B": "5 m", "C": "50 m", "D": "10 m" },
      "correct_answer": "A"
    },
    {
      "id": 12,
      "difficulty": "Easy",
      "question": "100 g = how many kg?",
      "options": { "A": "0.1 kg", "B": "1 kg", "C": "10 kg", "D": "0.5 kg" },
      "correct_answer": "A"
    },
    {
      "id": 13,
      "difficulty": "Easy",
      "question": "Which holds more: 1 L or 200 ml?",
      "options": { "A": "1 L", "B": "200 ml", "C": "Both same", "D": "100 ml" },
      "correct_answer": "A"
    },
    {
      "id": 14,
      "difficulty": "Easy",
      "question": "10 m = how many cm?",
      "options": { "A": "1000 cm", "B": "100 cm", "C": "10 cm", "D": "500 cm" },
      "correct_answer": "A"
    },
    {
      "id": 15,
      "difficulty": "Easy",
      "question": "3 kg = how many grams?",
      "options": { "A": "3000 g", "B": "30 g", "C": "300 g", "D": "3 g" },
      "correct_answer": "A"
    },
    {
      "id": 16,
      "difficulty": "Easy",
      "question": "5 L = how many ml?",
      "options": { "A": "5000 ml", "B": "500 ml", "C": "50 ml", "D": "5 ml" },
      "correct_answer": "A"
    },
    {
      "id": 17,
      "difficulty": "Easy",
      "question": "Which is heavier: 250 g or 1 kg?",
      "options": { "A": "1 kg", "B": "250 g", "C": "Both same", "D": "100 g" },
      "correct_answer": "A"
    },
    {
      "id": 18,
      "difficulty": "Easy",
      "question": "1 km = how many meters?",
      "options": { "A": "1000 m", "B": "100 m", "C": "500 m", "D": "10 m" },
      "correct_answer": "A"
    },
    {
      "id": 19,
      "difficulty": "Easy",
      "question": "How many grams in 0.5 kg?",
      "options": { "A": "500 g", "B": "50 g", "C": "200 g", "D": "100 g" },
      "correct_answer": "A"
    },
    {
      "id": 20,
      "difficulty": "Easy",
      "question": "700 ml = how many liters?",
      "options": { "A": "0.7 L", "B": "7 L", "C": "70 L", "D": "0.07 L" },
      "correct_answer": "A"
    },

    {
      "id": 21,
      "difficulty": "Medium",
      "question": "Convert 350 cm into meters.",
      "options": { "A": "3.5 m", "B": "35 m", "C": "0.35 m", "D": "350 m" },
      "correct_answer": "A"
    },
    {
      "id": 22,
      "difficulty": "Medium",
      "question": "Convert 1500 g into kg.",
      "options": { "A": "1.5 kg", "B": "15 kg", "C": "0.15 kg", "D": "150 kg" },
      "correct_answer": "A"
    },
    {
      "id": 23,
      "difficulty": "Medium",
      "question": "Convert 2500 ml to liters.",
      "options": { "A": "2.5 L", "B": "0.25 L", "C": "25 L", "D": "5 L" },
      "correct_answer": "A"
    },
    {
      "id": 24,
      "difficulty": "Medium",
      "question": "600 cm = how many meters?",
      "options": { "A": "6 m", "B": "60 m", "C": "0.6 m", "D": "6000 m" },
      "correct_answer": "A"
    },
    {
      "id": 25,
      "difficulty": "Medium",
      "question": "Convert 4.5 L to ml.",
      "options": {
        "A": "4500 ml",
        "B": "450 ml",
        "C": "45 ml",
        "D": "5000 ml"
      },
      "correct_answer": "A"
    },
    {
      "id": 26,
      "difficulty": "Medium",
      "question": "720 g = how many kg?",
      "options": {
        "A": "0.72 kg",
        "B": "7.2 kg",
        "C": "72 kg",
        "D": "0.07 kg"
      },
      "correct_answer": "A"
    },
    {
      "id": 27,
      "difficulty": "Medium",
      "question": "Convert 1800 ml into liters.",
      "options": { "A": "1.8 L", "B": "18 L", "C": "0.18 L", "D": "180 L" },
      "correct_answer": "A"
    },
    {
      "id": 28,
      "difficulty": "Medium",
      "question": "What is 260 cm in meters?",
      "options": { "A": "2.6 m", "B": "26 m", "C": "0.26 m", "D": "0.6 m" },
      "correct_answer": "A"
    },
    {
      "id": 29,
      "difficulty": "Medium",
      "question": "Convert 3800 g to kg.",
      "options": {
        "A": "3.8 kg",
        "B": "38 kg",
        "C": "0.38 kg",
        "D": "0.0038 kg"
      },
      "correct_answer": "A"
    },
    {
      "id": 30,
      "difficulty": "Medium",
      "question": "800 ml = how many liters?",
      "options": { "A": "0.8 L", "B": "8 L", "C": "0.08 L", "D": "80 L" },
      "correct_answer": "A"
    },
    {
      "id": 31,
      "difficulty": "Medium",
      "question": "Convert 4 m to cm.",
      "options": { "A": "400 cm", "B": "40 cm", "C": "4 cm", "D": "100 cm" },
      "correct_answer": "A"
    },
    {
      "id": 32,
      "difficulty": "Medium",
      "question": "0.25 kg = how many grams?",
      "options": { "A": "250 g", "B": "25 g", "C": "200 g", "D": "500 g" },
      "correct_answer": "A"
    },
    {
      "id": 33,
      "difficulty": "Medium",
      "question": "Convert 6.2 L to ml.",
      "options": {
        "A": "6200 ml",
        "B": "602 ml",
        "C": "620 ml",
        "D": "60000 ml"
      },
      "correct_answer": "A"
    },
    {
      "id": 34,
      "difficulty": "Medium",
      "question": "900 cm = how many m?",
      "options": { "A": "9 m", "B": "90 m", "C": "0.9 m", "D": "0.09 m" },
      "correct_answer": "A"
    },
    {
      "id": 35,
      "difficulty": "Medium",
      "question": "4800 g = how many kg?",
      "options": { "A": "4.8 kg", "B": "48 kg", "C": "0.48 kg", "D": "480 kg" },
      "correct_answer": "A"
    },
    {
      "id": 36,
      "difficulty": "Medium",
      "question": "Convert 5.5 L into ml.",
      "options": {
        "A": "5500 ml",
        "B": "500 ml",
        "C": "55 ml",
        "D": "5050 ml"
      },
      "correct_answer": "A"
    },
    {
      "id": 37,
      "difficulty": "Medium",
      "question": "75 cm = how many m?",
      "options": { "A": "0.75 m", "B": "7.5 m", "C": "0.0075 m", "D": "75 m" },
      "correct_answer": "A"
    },
    {
      "id": 38,
      "difficulty": "Medium",
      "question": "Convert 2300 g into kg.",
      "options": { "A": "2.3 kg", "B": "23 kg", "C": "0.23 kg", "D": "230 kg" },
      "correct_answer": "A"
    },
    {
      "id": 39,
      "difficulty": "Medium",
      "question": "950 ml = how many liters?",
      "options": { "A": "0.95 L", "B": "9.5 L", "C": "0.0095 L", "D": "95 L" },
      "correct_answer": "A"
    },
    {
      "id": 40,
      "difficulty": "Medium",
      "question": "Convert 720 cm into meters.",
      "options": { "A": "7.2 m", "B": "72 m", "C": "0.72 m", "D": "0.0072 m" },
      "correct_answer": "A"
    },

    {
      "id": 41,
      "difficulty": "Hard",
      "question": "Convert 1250 ml into liters.",
      "options": { "A": "1.25 L", "B": "12.5 L", "C": "0.125 L", "D": "125 L" },
      "correct_answer": "A"
    },
    {
      "id": 42,
      "difficulty": "Hard",
      "question": "Convert 5.75 kg into grams.",
      "options": { "A": "5750 g", "B": "575 g", "C": "57.5 g", "D": "7500 g" },
      "correct_answer": "A"
    },
    {
      "id": 43,
      "difficulty": "Hard",
      "question": "Convert 3.2 m into cm.",
      "options": { "A": "320 cm", "B": "32 cm", "C": "3200 cm", "D": "3.2 cm" },
      "correct_answer": "A"
    },
    {
      "id": 44,
      "difficulty": "Hard",
      "question": "Convert 6150 ml to liters.",
      "options": { "A": "6.15 L", "B": "61.5 L", "C": "0.615 L", "D": "615 L" },
      "correct_answer": "A"
    },
    {
      "id": 45,
      "difficulty": "Hard",
      "question": "Convert 12.8 kg into grams.",
      "options": { "A": "12800 g", "B": "1280 g", "C": "12.8 g", "D": "128 g" },
      "correct_answer": "A"
    },
    {
      "id": 46,
      "difficulty": "Hard",
      "question": "Convert 4.35 L to ml.",
      "options": {
        "A": "4350 ml",
        "B": "453 ml",
        "C": "43.5 ml",
        "D": "435 ml"
      },
      "correct_answer": "A"
    },
    {
      "id": 47,
      "difficulty": "Hard",
      "question": "25 cm = how many m?",
      "options": { "A": "0.25 m", "B": "2.5 m", "C": "25 m", "D": "0.025 m" },
      "correct_answer": "A"
    },
    {
      "id": 48,
      "difficulty": "Hard",
      "question": "Convert 8.4 m into cm.",
      "options": { "A": "840 cm", "B": "84 cm", "C": "8400 cm", "D": "8.4 cm" },
      "correct_answer": "A"
    },
    {
      "id": 49,
      "difficulty": "Hard",
      "question": "Convert 9.9 kg into grams.",
      "options": { "A": "9900 g", "B": "999 g", "C": "900 g", "D": "990 g" },
      "correct_answer": "A"
    },
    {
      "id": 50,
      "difficulty": "Hard",
      "question": "Convert 8750 ml into liters.",
      "options": { "A": "8.75 L", "B": "87.5 L", "C": "0.875 L", "D": "875 L" },
      "correct_answer": "A"
    },
    {
      "id": 51,
      "difficulty": "Hard",
      "question": "Convert 560 cm into meters.",
      "options": { "A": "5.6 m", "B": "56 m", "C": "0.56 m", "D": "0.0056 m" },
      "correct_answer": "A"
    },
    {
      "id": 52,
      "difficulty": "Hard",
      "question": "Convert 14.2 L to ml.",
      "options": {
        "A": "14200 ml",
        "B": "1420 ml",
        "C": "142 ml",
        "D": "1400 ml"
      },
      "correct_answer": "A"
    },
    {
      "id": 53,
      "difficulty": "Hard",
      "question": "6.75 kg = how many grams?",
      "options": { "A": "6750 g", "B": "675 g", "C": "6075 g", "D": "7500 g" },
      "correct_answer": "A"
    },
    {
      "id": 54,
      "difficulty": "Hard",
      "question": "Convert 920 ml into liters.",
      "options": { "A": "0.92 L", "B": "9.2 L", "C": "0.092 L", "D": "92 L" },
      "correct_answer": "A"
    },
    {
      "id": 55,
      "difficulty": "Hard",
      "question": "Convert 4.9 m into cm.",
      "options": { "A": "490 cm", "B": "49 cm", "C": "4900 cm", "D": "4.9 cm" },
      "correct_answer": "A"
    },
    {
      "id": 56,
      "difficulty": "Hard",
      "question": "Convert 3450 g to kg.",
      "options": {
        "A": "3.45 kg",
        "B": "34.5 kg",
        "C": "0.345 kg",
        "D": "345 kg"
      },
      "correct_answer": "A"
    },
    {
      "id": 57,
      "difficulty": "Hard",
      "question": "Convert 6.6 L into ml.",
      "options": {
        "A": "6600 ml",
        "B": "600 ml",
        "C": "66 ml",
        "D": "6000 ml"
      },
      "correct_answer": "A"
    },
    {
      "id": 58,
      "difficulty": "Hard",
      "question": "Convert 485 cm into meters.",
      "options": { "A": "4.85 m", "B": "48.5 m", "C": "0.485 m", "D": "485 m" },
      "correct_answer": "A"
    },
    {
      "id": 59,
      "difficulty": "Hard",
      "question": "Convert 2.34 kg to grams.",
      "options": { "A": "2340 g", "B": "234 g", "C": "23400 g", "D": "2034 g" },
      "correct_answer": "A"
    },
    {
      "id": 60,
      "difficulty": "Hard",
      "question": "Convert 7600 ml into liters.",
      "options": { "A": "7.6 L", "B": "76 L", "C": "0.76 L", "D": "760 L" },
      "correct_answer": "A"
    }
  ]
}