{
  "title": "Operations on Fractions (Fractions and Decimals) - Grade 6 ICSE",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "🍰 What is 1/4 + 2/4?",
      "options": { "A": "1/2", "B": "2/4", "C": "3/4", "D": "1" },
      "correct_answer": "C"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "📏 What is 3/5 − 1/5?",
      "options": { "A": "2/5", "B": "1/5", "C": "4/5", "D": "3/5" },
      "correct_answer": "A"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "➕ Add: 1/3 + 1/3",
      "options": { "A": "2/3", "B": "1", "C": "3/6", "D": "1/6" },
      "correct_answer": "A"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "➖ Subtract: 7/8 − 3/8",
      "options": { "A": "1/2", "B": "4/8", "C": "3/8", "D": "5/8" },
      "correct_answer": "A"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "🧁 What is 2/9 + 5/9?",
      "options": { "A": "7/9", "B": "8/9", "C": "6/9", "D": "1" },
      "correct_answer": "A"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "📐 What is 11/12 − 5/12?",
      "options": { "A": "6/12", "B": "1/2", "C": "5/12", "D": "7/12" },
      "correct_answer": "B"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "🎂 1/5 + 2/5 = ?",
      "options": { "A": "2/5", "B": "3/10", "C": "3/5", "D": "4/5" },
      "correct_answer": "C"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "🍫 3/7 − 2/7 = ?",
      "options": { "A": "1/14", "B": "1/7", "C": "2/7", "D": "5/7" },
      "correct_answer": "B"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "➕ 0.4 + 0.3 = ?",
      "options": { "A": "0.7", "B": "0.6", "C": "0.8", "D": "0.5" },
      "correct_answer": "A"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "➖ 0.9 − 0.4 = ?",
      "options": { "A": "0.3", "B": "0.6", "C": "0.5", "D": "0.4" },
      "correct_answer": "C"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "📊 What is 1/10 as a decimal?",
      "options": { "A": "0.01", "B": "0.1", "C": "1.0", "D": "0.001" },
      "correct_answer": "B"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "🥧 2/4 + 1/4 = ?",
      "options": { "A": "1/2", "B": "3/8", "C": "3/4", "D": "1" },
      "correct_answer": "C"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "🍩 5/6 − 2/6 = ?",
      "options": { "A": "1/3", "B": "2/6", "C": "1/2", "D": "3/6" },
      "correct_answer": "C"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "📏 0.25 + 0.25 = ?",
      "options": { "A": "0.4", "B": "0.5", "C": "0.6", "D": "0.75" },
      "correct_answer": "B"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "➕ 3/8 + 2/8 = ?",
      "options": { "A": "5/16", "B": "1/2", "C": "5/8", "D": "7/8" },
      "correct_answer": "C"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "➖ 4/9 − 1/9 = ?",
      "options": { "A": "2/9", "B": "1/3", "C": "3/9", "D": "4/9" },
      "correct_answer": "B"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "🍕 What is 0.5 as a fraction?",
      "options": { "A": "1/4", "B": "1/2", "C": "2/5", "D": "3/4" },
      "correct_answer": "B"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "📐 2/7 + 4/7 = ?",
      "options": { "A": "6/7", "B": "5/7", "C": "8/7", "D": "3/7" },
      "correct_answer": "A"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "🍰 0.8 − 0.2 = ?",
      "options": { "A": "0.4", "B": "0.6", "C": "0.7", "D": "0.5" },
      "correct_answer": "B"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "➕ 1/6 + 2/6 = ?",
      "options": { "A": "1/3", "B": "3/12", "C": "1/2", "D": "2/3" },
      "correct_answer": "C"
    },
    {
      "id": 21,
      "difficulty": "medium",
      "question": "🎯 Add 1/4 + 1/3 = ?",
      "options": { "A": "2/7", "B": "5/12", "C": "7/12", "D": "1/2" },
      "correct_answer": "C"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "📏 Subtract 5/6 − 1/4 = ?",
      "options": { "A": "7/12", "B": "1/2", "C": "3/4", "D": "5/12" },
      "correct_answer": "A"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "🧮 What is 3/5 + 0.4?",
      "options": { "A": "0.8", "B": "1", "C": "0.9", "D": "1.1" },
      "correct_answer": "B"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "🍕 7/8 − 0.25 = ?",
      "options": { "A": "0.5", "B": "0.625", "C": "0.75", "D": "0.875" },
      "correct_answer": "B"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "📊 Which is greater: 2/3 or 0.67?",
      "options": { "A": "2/3", "B": "0.67", "C": "Equal", "D": "Cannot say" },
      "correct_answer": "B"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "➕ Add 0.125 + 1/8 = ?",
      "options": { "A": "0.25", "B": "0.2", "C": "0.3", "D": "0.225" },
      "correct_answer": "A"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "➖ 1 − 3/7 = ?",
      "options": { "A": "4/7", "B": "3/7", "C": "5/7", "D": "6/7" },
      "correct_answer": "A"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "📐 Multiply 3/4 × 1/2 = ?",
      "options": { "A": "1/8", "B": "3/8", "C": "1/2", "D": "2/3" },
      "correct_answer": "B"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "🎂 Divide 1/2 ÷ 1/4 = ?",
      "options": { "A": "1/8", "B": "2", "C": "1/2", "D": "4" },
      "correct_answer": "B"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "🍫 What is 2/5 of 25?",
      "options": { "A": "5", "B": "10", "C": "15", "D": "20" },
      "correct_answer": "B"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "➕ Add fractions: 2/9 + 1/6 = ?",
      "options": { "A": "3/15", "B": "7/18", "C": "5/18", "D": "4/15" },
      "correct_answer": "B"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "➖ Subtract: 0.9 − 1/3 ≈ ?",
      "options": { "A": "0.567", "B": "0.433", "C": "0.6", "D": "0.233" },
      "correct_answer": "A"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "📏 Arrange in ascending: 1/2, 0.3, 2/5",
      "options": {
        "A": "0.3, 2/5, 1/2",
        "B": "1/2, 2/5, 0.3",
        "C": "2/5, 1/2, 0.3",
        "D": "0.3, 1/2, 2/5"
      },
      "correct_answer": "A"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "🍰 3/8 + 0.375 = ?",
      "options": { "A": "0.75", "B": "0.5", "C": "0.625", "D": "1" },
      "correct_answer": "A"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "📐 5/12 + 1/4 = ?",
      "options": { "A": "7/12", "B": "2/3", "C": "3/4", "D": "8/12" },
      "correct_answer": "B"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "➖ 4/5 − 0.6 = ?",
      "options": { "A": "0.1", "B": "0.2", "C": "0.3", "D": "0.4" },
      "correct_answer": "B"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "➕ 1/3 + 2/5 = ?",
      "options": { "A": "3/8", "B": "11/15", "C": "7/15", "D": "8/15" },
      "correct_answer": "B"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "🍕 What is 0.75 − 3/8?",
      "options": { "A": "0.375", "B": "0.25", "C": "0.5", "D": "0.625" },
      "correct_answer": "A"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "📊 Convert 5/8 to decimal",
      "options": { "A": "0.625", "B": "0.58", "C": "0.6", "D": "0.525" },
      "correct_answer": "A"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "🎂 Multiply 0.4 × 1/2 = ?",
      "options": { "A": "0.1", "B": "0.2", "C": "0.25", "D": "0.5" },
      "correct_answer": "B"
    },
    {
      "id": 41,
      "difficulty": "hard",
      "question": "🧮 Simplify: (2/3 + 1/4) ÷ (5/6)",
      "options": { "A": "1", "B": "11/10", "C": "7/10", "D": "5/6" },
      "correct_answer": "B"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "📐 What number should be added to 3/7 to get 5/4?",
      "options": { "A": "23/28", "B": "1/2", "C": "15/28", "D": "31/28" },
      "correct_answer": "A"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "🍕 If 0.6 of a number is 42, what is 1/3 of the number?",
      "options": { "A": "21", "B": "23.33", "C": "70", "D": "23" },
      "correct_answer": "B"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "📏 Subtract sum of 1.25 and 3/4 from 3.5",
      "options": { "A": "1.25", "B": "1.5", "C": "1.75", "D": "2" },
      "correct_answer": "B"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "➕ 1/2 + 2/3 + 3/4 = ?",
      "options": { "A": "23/12", "B": "13/6", "C": "11/4", "D": "19/12" },
      "correct_answer": "A"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "➖ (7/8 − 0.5) × 4 = ?",
      "options": { "A": "1", "B": "1.5", "C": "2", "D": "0.5" },
      "correct_answer": "B"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "📊 If 5/x = 0.625, what is x?",
      "options": { "A": "6", "B": "8", "C": "10", "D": "12" },
      "correct_answer": "B"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "🎯 Find the missing: 2/5 + □ = 0.9",
      "options": { "A": "0.4", "B": "0.5", "C": "0.6", "D": "0.7" },
      "correct_answer": "B"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "🍰 A rope 4.5m long, cut off 1 3/4 m, then cut 0.6 m more. Remaining length?",
      "options": { "A": "2.15 m", "B": "2.25 m", "C": "2.35 m", "D": "2.05 m" },
      "correct_answer": "A"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "📐 (0.75 ÷ 1/2) + (3/8 × 4) = ?",
      "options": { "A": "2.5", "B": "3", "C": "2", "D": "3.5" },
      "correct_answer": "B"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "🧮 2/3 of 0.9 + 1/4 of 1.6 = ?",
      "options": { "A": "1", "B": "0.9", "C": "1.1", "D": "1.2" },
      "correct_answer": "A"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "🍕 Product of 5/6 and 0.72 is?",
      "options": { "A": "0.5", "B": "0.6", "C": "0.55", "D": "0.65" },
      "correct_answer": "B"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "📊 Which fraction is between 0.83 and 0.9?",
      "options": {
        "A": "4/5",
        "B": "5/9",
        "C": "7/8",
        "D": "9/10"
      },
      "correct_answer": "C"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "➕ If 1/3 + 1/4 + 1/x = 1, find x",
      "options": {
        "A": "12/5",
        "B": "5/12",
        "C": "7/12",
        "D": "3/5"
      },
      "correct_answer": "A"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "➖ Subtract 3 1/8 from 5.5",
      "options": { "A": "2.375", "B": "2.5", "C": "2.625", "D": "2.75" },
      "correct_answer": "A"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "📏 A tank is 5/6 full. After using 0.25 of the tank, what fraction remains?",
      "options": { "A": "7/12", "B": "2/3", "C": "5/12", "D": "1/2" },
      "correct_answer": "A"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "🎯 3/5 × (2.5 − 1/2) = ?",
      "options": { "A": "1", "B": "1.2", "C": "1.5", "D": "0.8" },
      "correct_answer": "B"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "🍰 0.8 ÷ 1/4 + 0.2 × 5 = ?",
      "options": {
        "A": "4.2",
        "B": "4.0",
        "C": "3.8",
        "D": "3.2"
      },
      "correct_answer": "A"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "📐 Simplify: (7/10 + 0.3) ÷ (1/2)",
      "options": { "A": "1", "B": "1.5", "C": "2", "D": "2.5" },
      "correct_answer": "C"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "🧮 If 2/3 = 0.666..., then 2/3 + 1/9 ≈ ?",
      "options": { "A": "0.777", "B": "0.7", "C": "0.8", "D": "0.888" },
      "correct_answer": "A"
    }
  ]
}