{
  "title": "Measurement - Measuring Capacity (ml, l)",
  "questions": [
    {
      "id": 1,
      "difficulty": "Easy",
      "question": "Which cup holds more water: a small tea cup or a big mug?",
      "options": {
        "A": "Small tea cup",
        "B": "Big mug",
        "C": "Both same",
        "D": "Cannot tell"
      },
      "correct_answer": "B"
    },
    {
      "id": 2,
      "difficulty": "Easy",
      "question": "Does a spoon hold more or less than a bottle?",
      "options": { "A": "More", "B": "Less", "C": "Same", "D": "Depends" },
      "correct_answer": "B"
    },
    {
      "id": 3,
      "difficulty": "Easy",
      "question": "Which bucket holds more water: the one for bathing or the one for plants? (Bathing bucket larger.)",
      "options": {
        "A": "Bathing",
        "B": "Plants",
        "C": "Same",
        "D": "Not sure"
      },
      "correct_answer": "A"
    },
    {
      "id": 4,
      "difficulty": "Easy",
      "question": "Is a glass full of milk more or less than a jug full of milk?",
      "options": { "A": "More", "B": "Less", "C": "Same", "D": "Cannot say" },
      "correct_answer": "B"
    },
    {
      "id": 5,
      "difficulty": "Easy",
      "question": "Which holds more: your hand cupped or a bowl?",
      "options": { "A": "Hand", "B": "Bowl", "C": "Same", "D": "Depends" },
      "correct_answer": "B"
    },
    {
      "id": 6,
      "difficulty": "Easy",
      "question": "Does a dropper hold more than a cup?",
      "options": { "A": "Yes", "B": "No", "C": "Same", "D": "Not sure" },
      "correct_answer": "B"
    },
    {
      "id": 7,
      "difficulty": "Easy",
      "question": "Which pot holds more: cooking pot or flower pot?",
      "options": {
        "A": "Cooking pot",
        "B": "Flower pot",
        "C": "Both same",
        "D": "Cannot tell"
      },
      "correct_answer": "A"
    },
    {
      "id": 8,
      "difficulty": "Easy",
      "question": "Is a water bottle taller but holds less than a tank?",
      "options": {
        "A": "Yes",
        "B": "No",
        "C": "Holds same",
        "D": "Holds more"
      },
      "correct_answer": "A"
    },
    {
      "id": 9,
      "difficulty": "Easy",
      "question": "Which holds more juice: a small packet or a big carton?",
      "options": {
        "A": "Small packet",
        "B": "Big carton",
        "C": "Same",
        "D": "Depends"
      },
      "correct_answer": "B"
    },
    {
      "id": 10,
      "difficulty": "Easy",
      "question": "Does a thimble hold more than a tumbler?",
      "options": { "A": "Yes", "B": "No", "C": "Same", "D": "Not sure" },
      "correct_answer": "B"
    },
    {
      "id": 11,
      "difficulty": "Easy",
      "question": "Which bowl holds more: for fruits or for curd? (Fruits bowl larger.)",
      "options": {
        "A": "Fruits",
        "B": "Curd",
        "C": "Same",
        "D": "Cannot tell"
      },
      "correct_answer": "A"
    },
    {
      "id": 12,
      "difficulty": "Easy",
      "question": "Is a can of soda more or less than a pitcher?",
      "options": { "A": "More", "B": "Less", "C": "Same", "D": "Depends" },
      "correct_answer": "B"
    },
    {
      "id": 13,
      "difficulty": "Easy",
      "question": "Which holds more: a cup or a saucer?",
      "options": { "A": "Cup", "B": "Saucer", "C": "Same", "D": "Not sure" },
      "correct_answer": "A"
    },
    {
      "id": 14,
      "difficulty": "Easy",
      "question": "Does a vial hold more than a vase?",
      "options": { "A": "Yes", "B": "No", "C": "Same", "D": "Depends" },
      "correct_answer": "B"
    },
    {
      "id": 15,
      "difficulty": "Easy",
      "question": "Which jar holds more: jam jar or pickle jar? (Pickle larger.)",
      "options": { "A": "Jam", "B": "Pickle", "C": "Same", "D": "Cannot tell" },
      "correct_answer": "B"
    },
    {
      "id": 16,
      "difficulty": "Easy",
      "question": "Which holds more: small flask or big flask?",
      "options": { "A": "Small", "B": "Big", "C": "Same", "D": "Not sure" },
      "correct_answer": "B"
    },
    {
      "id": 17,
      "difficulty": "Easy",
      "question": "Which holds more: a spoon or a ladle?",
      "options": { "A": "Spoon", "B": "Ladle", "C": "Same", "D": "Depends" },
      "correct_answer": "B"
    },
    {
      "id": 18,
      "difficulty": "Easy",
      "question": "Does a bucket hold more than a mug?",
      "options": { "A": "Yes", "B": "No", "C": "Same", "D": "Cannot tell" },
      "correct_answer": "A"
    },
    {
      "id": 19,
      "difficulty": "Easy",
      "question": "Which pot holds less: tea pot or rice pot?",
      "options": { "A": "Tea", "B": "Rice", "C": "Same", "D": "Not sure" },
      "correct_answer": "A"
    },
    {
      "id": 20,
      "difficulty": "Easy",
      "question": "Is a bottle cap more than a bottle?",
      "options": { "A": "Yes", "B": "No", "C": "Same", "D": "Depends" },
      "correct_answer": "B"
    },
    {
      "id": 21,
      "difficulty": "Medium",
      "question": "How much water does a small cup hold? (About 100 ml.)",
      "options": { "A": "50 ml", "B": "100 ml", "C": "200 ml", "D": "500 ml" },
      "correct_answer": "B"
    },
    {
      "id": 22,
      "difficulty": "Medium",
      "question": "Which is more: 500 ml or 1 liter?",
      "options": { "A": "500 ml", "B": "1 liter", "C": "Same", "D": "Less" },
      "correct_answer": "B"
    },
    {
      "id": 23,
      "difficulty": "Medium",
      "question": "If a jug holds 2 liters, how many ml is that?",
      "options": {
        "A": "1000 ml",
        "B": "2000 ml",
        "C": "500 ml",
        "D": "20 ml"
      },
      "correct_answer": "B"
    },
    {
      "id": 24,
      "difficulty": "Medium",
      "question": "A bottle has 750 ml. Is it more or less than 1 l?",
      "options": { "A": "More", "B": "Less", "C": "Same", "D": "Double" },
      "correct_answer": "B"
    },
    {
      "id": 25,
      "difficulty": "Medium",
      "question": "How many cups of 200 ml make 1 liter?",
      "options": { "A": "3", "B": "4", "C": "5", "D": "2" },
      "correct_answer": "C"
    },
    {
      "id": 26,
      "difficulty": "Medium",
      "question": "Add: 300 ml + 400 ml = ?",
      "options": { "A": "500 ml", "B": "700 ml", "C": "600 ml", "D": "800 ml" },
      "correct_answer": "B"
    },
    {
      "id": 27,
      "difficulty": "Medium",
      "question": "A tank holds 5 liters. In ml?",
      "options": {
        "A": "500 ml",
        "B": "5000 ml",
        "C": "50 ml",
        "D": "50,000 ml"
      },
      "correct_answer": "B"
    },
    {
      "id": 28,
      "difficulty": "Medium",
      "question": "Which holds more: 250 ml glass or 0.5 l bottle?",
      "options": { "A": "Glass", "B": "Bottle", "C": "Same", "D": "Neither" },
      "correct_answer": "B"
    },
    {
      "id": 29,
      "difficulty": "Medium",
      "question": "If you pour 600 ml into a 1 l jug, how much space left?",
      "options": {
        "A": "200 ml",
        "B": "400 ml",
        "C": "600 ml",
        "D": "1000 ml"
      },
      "correct_answer": "B"
    },
    {
      "id": 30,
      "difficulty": "Medium",
      "question": "How many 100 ml spoons in 1 liter?",
      "options": { "A": "5", "B": "10", "C": "8", "D": "12" },
      "correct_answer": "B"
    },
    {
      "id": 31,
      "difficulty": "Medium",
      "question": "Convert 3 liters to ml.",
      "options": {
        "A": "300 ml",
        "B": "3000 ml",
        "C": "30 ml",
        "D": "30,000 ml"
      },
      "correct_answer": "B"
    },
    {
      "id": 32,
      "difficulty": "Medium",
      "question": "A carton has 1.5 l. In ml?",
      "options": { "A": "1500 ml", "B": "500 ml", "C": "15 ml", "D": "150 ml" },
      "correct_answer": "A"
    },
    {
      "id": 33,
      "difficulty": "Medium",
      "question": "Subtract: 800 ml - 200 ml = ?",
      "options": {
        "A": "500 ml",
        "B": "600 ml",
        "C": "1000 ml",
        "D": "400 ml"
      },
      "correct_answer": "B"
    },
    {
      "id": 34,
      "difficulty": "Medium",
      "question": "How much is 2 l + 500 ml?",
      "options": { "A": "2500 ml", "B": "2.5 l", "C": "1500 ml", "D": "3 l" },
      "correct_answer": "B"
    },
    {
      "id": 35,
      "difficulty": "Medium",
      "question": "A bucket holds 10 l. How many 1 l bottles fit?",
      "options": { "A": "5", "B": "10", "C": "15", "D": "20" },
      "correct_answer": "B"
    },
    {
      "id": 36,
      "difficulty": "Medium",
      "question": "Which is larger: 900 ml or 2 l?",
      "options": { "A": "900 ml", "B": "2 l", "C": "Same", "D": "Half" },
      "correct_answer": "B"
    },
    {
      "id": 37,
      "difficulty": "Medium",
      "question": "Fill a 1 l bottle with 250 ml cups. How many?",
      "options": { "A": "2", "B": "3", "C": "4", "D": "5" },
      "correct_answer": "C"
    },
    {
      "id": 38,
      "difficulty": "Medium",
      "question": "1 l 200 ml in ml?",
      "options": {
        "A": "1200 ml",
        "B": "1000 ml",
        "C": "200 ml",
        "D": "2200 ml"
      },
      "correct_answer": "A"
    },
    {
      "id": 39,
      "difficulty": "Medium",
      "question": "A pot holds 4 l. Pour out 1.5 l. Left?",
      "options": { "A": "2 l", "B": "2.5 l", "C": "3 l", "D": "5.5 l" },
      "correct_answer": "B"
    },
    {
      "id": 40,
      "difficulty": "Medium",
      "question": "Total: 1 l + 750 ml + 250 ml.",
      "options": { "A": "2 l", "B": "2.25 l", "C": "1.75 l", "D": "3 l" },
      "correct_answer": "A"
    },
    {
      "id": 41,
      "difficulty": "Hard",
      "question": "A large tank holds 20 liters. How many 5-liter cans fit exactly?",
      "options": { "A": "2", "B": "3", "C": "4", "D": "5" },
      "correct_answer": "C"
    },
    {
      "id": 42,
      "difficulty": "Hard",
      "question": "Convert 2.5 liters to milliliters.",
      "options": {
        "A": "250 ml",
        "B": "2500 ml",
        "C": "25 ml",
        "D": "25,000 ml"
      },
      "correct_answer": "B"
    },
    {
      "id": 43,
      "difficulty": "Hard",
      "question": "If a jug is 3 liters full, and you add 1.25 liters, what is the total?",
      "options": { "A": "4 l", "B": "4.25 l", "C": "3.25 l", "D": "4.5 l" },
      "correct_answer": "B"
    },
    {
      "id": 44,
      "difficulty": "Hard",
      "question": "A bottle holds 600 ml. How many such bottles make 3 liters?",
      "options": { "A": "3", "B": "4", "C": "5", "D": "6" },
      "correct_answer": "C"
    },
    {
      "id": 45,
      "difficulty": "Hard",
      "question": "Subtract: 4.5 l - 1.75 l = ?",
      "options": { "A": "2.75 l", "B": "3 l", "C": "2.5 l", "D": "6.25 l" },
      "correct_answer": "A"
    },
    {
      "id": 46,
      "difficulty": "Hard",
      "question": "A container holds 2 liters 500 ml. In liters?",
      "options": { "A": "2 l", "B": "2.5 l", "C": "3 l", "D": "1.5 l" },
      "correct_answer": "B"
    },
    {
      "id": 47,
      "difficulty": "Hard",
      "question": "How much more to fill 5 l tank if 3.2 l is already there?",
      "options": { "A": "1.5 l", "B": "1.8 l", "C": "2 l", "D": "0.8 l" },
      "correct_answer": "B"
    },
    {
      "id": 48,
      "difficulty": "Hard",
      "question": "Add 1.25 l + 2 l 750 ml.",
      "options": { "A": "4 l", "B": "3.75 l", "C": "4.75 l", "D": "3.25 l" },
      "correct_answer": "A"
    },
    {
      "id": 49,
      "difficulty": "Hard",
      "question": "A recipe needs 1.5 l milk. If using 250 ml cups, how many full cups?",
      "options": { "A": "5", "B": "6", "C": "7", "D": "4" },
      "correct_answer": "B"
    },
    {
      "id": 50,
      "difficulty": "Hard",
      "question": "Convert 3500 ml to liters.",
      "options": { "A": "3 l", "B": "3.5 l", "C": "35 l", "D": "0.35 l" },
      "correct_answer": "B"
    },
    {
      "id": 51,
      "difficulty": "Hard",
      "question": "Difference: 2 l - 450 ml = ?",
      "options": { "A": "1.55 l", "B": "1.5 l", "C": "2.45 l", "D": "0.55 l" },
      "correct_answer": "A"
    },
    {
      "id": 52,
      "difficulty": "Hard",
      "question": "Total capacity of 3 bottles: each 750 ml.",
      "options": { "A": "2.25 l", "B": "3 l", "C": "1.5 l", "D": "2 l" },
      "correct_answer": "A"
    },
    {
      "id": 53,
      "difficulty": "Hard",
      "question": "A tank is 10 l full. Pour into 2 l jugs. How many full jugs?",
      "options": { "A": "4", "B": "5", "C": "3", "D": "6" },
      "correct_answer": "B"
    },
    {
      "id": 54,
      "difficulty": "Hard",
      "question": "4.2 l + 1 l 300 ml = ?",
      "options": { "A": "5.5 l", "B": "5.2 l", "C": "6.2 l", "D": "4.5 l" },
      "correct_answer": "A"
    },
    {
      "id": 55,
      "difficulty": "Hard",
      "question": "How many 500 ml bottles in 4.5 l?",
      "options": { "A": "7", "B": "8", "C": "9", "D": "6" },
      "correct_answer": "C"
    },
    {
      "id": 56,
      "difficulty": "Hard",
      "question": "Remaining after pouring 2.75 l from 5 l.",
      "options": { "A": "2 l", "B": "2.25 l", "C": "2.5 l", "D": "2.75 l" },
      "correct_answer": "B"
    },
    {
      "id": 57,
      "difficulty": "Hard",
      "question": "Convert 1 l 800 ml to ml.",
      "options": {
        "A": "1800 ml",
        "B": "1000 ml",
        "C": "800 ml",
        "D": "2800 ml"
      },
      "correct_answer": "A"
    },
    {
      "id": 58,
      "difficulty": "Hard",
      "question": "A vat holds 15.5 l. How many 2.5 l cans?",
      "options": { "A": "5", "B": "6", "C": "7", "D": "4" },
      "correct_answer": "B"
    },
    {
      "id": 59,
      "difficulty": "Hard",
      "question": "Total: 0.8 l + 1.9 l + 0.3 l.",
      "options": { "A": "3 l", "B": "2.9 l", "C": "3.1 l", "D": "2 l" },
      "correct_answer": "A"
    },
    {
      "id": 60,
      "difficulty": "Hard",
      "question": "How many 100 ml scoops to fill 2.5 liters?",
      "options": { "A": "20", "B": "25", "C": "30", "D": "15" },
      "correct_answer": "B"
    }
  ]
}