{
  "title": "Addition of Decimals - Grade 4 ICSE",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "🍎 What is 1.2 kg + 0.3 kg?",
      "options": { "A": "1.4 kg", "B": "1.5 kg", "C": "1.6 kg", "D": "1.7 kg" },
      "correct_answer": "B"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "📏 Add: 0.5 m + 0.4 m",
      "options": { "A": "0.8 m", "B": "0.9 m", "C": "1.0 m", "D": "1.1 m" },
      "correct_answer": "B"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "💰 What is 2.5 + 1.5?",
      "options": { "A": "3.8", "B": "3.9", "C": "4.0", "D": "4.1" },
      "correct_answer": "C"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "⚖️ Add: 0.7 kg + 0.2 kg",
      "options": { "A": "0.8 kg", "B": "0.9 kg", "C": "1.0 kg", "D": "1.1 kg" },
      "correct_answer": "B"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "📐 3.1 cm + 0.9 cm = ?",
      "options": { "A": "3.9 cm", "B": "4.0 cm", "C": "4.1 cm", "D": "4.2 cm" },
      "correct_answer": "B"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "🍪 2.3 cookies + 1.2 cookies = ?",
      "options": { "A": "3.4", "B": "3.5", "C": "3.6", "D": "3.7" },
      "correct_answer": "B"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "🚗 4.5 km + 0.5 km = ?",
      "options": { "A": "4.9 km", "B": "5.0 km", "C": "5.1 km", "D": "5.2 km" },
      "correct_answer": "B"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "📚 1.8 books + 0.2 books = ?",
      "options": { "A": "1.9", "B": "2.0", "C": "2.1", "D": "2.2" },
      "correct_answer": "B"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "💧 0.6 L + 0.4 L = ?",
      "options": { "A": "0.9 L", "B": "1.0 L", "C": "1.1 L", "D": "1.2 L" },
      "correct_answer": "B"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "🎈 5.2 balloons + 0.8 balloons = ?",
      "options": { "A": "5.9", "B": "6.0", "C": "6.1", "D": "6.2" },
      "correct_answer": "B"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "✏️ 2.4 pencils + 1.1 pencils = ?",
      "options": { "A": "3.4", "B": "3.5", "C": "3.6", "D": "3.7" },
      "correct_answer": "B"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "🍦 3.6 ice creams + 0.4 ice creams = ?",
      "options": { "A": "3.9", "B": "4.0", "C": "4.1", "D": "4.2" },
      "correct_answer": "B"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "🏃 6.3 meters + 0.7 meters = ?",
      "options": { "A": "6.9 m", "B": "7.0 m", "C": "7.1 m", "D": "7.2 m" },
      "correct_answer": "B"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "💰 ₹7.5 + ₹0.5 = ?",
      "options": { "A": "₹7.9", "B": "₹8.0", "C": "₹8.1", "D": "₹8.2" },
      "correct_answer": "B"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "📏 8.4 cm + 1.1 cm = ?",
      "options": { "A": "9.4 cm", "B": "9.5 cm", "C": "9.6 cm", "D": "9.7 cm" },
      "correct_answer": "B"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "🍎 4.7 apples + 0.3 apples = ?",
      "options": { "A": "4.9", "B": "5.0", "C": "5.1", "D": "5.2" },
      "correct_answer": "B"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "⚖️ 9.1 kg + 0.9 kg = ?",
      "options": {
        "A": "9.9 kg",
        "B": "10.0 kg",
        "C": "10.1 kg",
        "D": "10.2 kg"
      },
      "correct_answer": "B"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "📚 5.6 books + 0.4 books = ?",
      "options": { "A": "5.9", "B": "6.0", "C": "6.1", "D": "6.2" },
      "correct_answer": "B"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "🚗 3.8 km + 1.2 km = ?",
      "options": { "A": "4.9 km", "B": "5.0 km", "C": "5.1 km", "D": "5.2 km" },
      "correct_answer": "B"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "💧 2.9 L + 0.1 L = ?",
      "options": { "A": "2.9 L", "B": "3.0 L", "C": "3.1 L", "D": "3.2 L" },
      "correct_answer": "B"
    },

    {
      "id": 21,
      "difficulty": "medium",
      "question": "📊 Add: 2.35 + 1.25",
      "options": { "A": "3.50", "B": "3.55", "C": "3.60", "D": "3.65" },
      "correct_answer": "C"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "💰 Calculate: ₹4.75 + ₹2.25",
      "options": { "A": "₹6.90", "B": "₹7.00", "C": "₹7.10", "D": "₹7.20" },
      "correct_answer": "B"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "📏 3.48 m + 2.52 m = ?",
      "options": { "A": "5.90 m", "B": "6.00 m", "C": "6.10 m", "D": "6.20 m" },
      "correct_answer": "B"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "⚖️ 5.67 kg + 3.33 kg = ?",
      "options": {
        "A": "8.90 kg",
        "B": "9.00 kg",
        "C": "9.10 kg",
        "D": "9.20 kg"
      },
      "correct_answer": "B"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "🍎 6.28 apples + 1.72 apples = ?",
      "options": { "A": "7.90", "B": "8.00", "C": "8.10", "D": "8.20" },
      "correct_answer": "B"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "📚 4.56 + 2.44 = ?",
      "options": { "A": "6.90", "B": "7.00", "C": "7.10", "D": "7.20" },
      "correct_answer": "B"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "🚗 7.83 km + 1.17 km = ?",
      "options": {
        "A": "8.90 km",
        "B": "9.00 km",
        "C": "9.10 km",
        "D": "9.20 km"
      },
      "correct_answer": "B"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "💧 3.29 L + 4.71 L = ?",
      "options": { "A": "7.90 L", "B": "8.00 L", "C": "8.10 L", "D": "8.20 L" },
      "correct_answer": "B"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "💰 ₹8.46 + ₹1.54 = ?",
      "options": { "A": "₹9.90", "B": "₹10.00", "C": "₹10.10", "D": "₹10.20" },
      "correct_answer": "B"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "📏 9.37 cm + 0.63 cm = ?",
      "options": {
        "A": "9.90 cm",
        "B": "10.00 cm",
        "C": "10.10 cm",
        "D": "10.20 cm"
      },
      "correct_answer": "B"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "🍪 2.85 + 3.15 = ?",
      "options": { "A": "5.90", "B": "6.00", "C": "6.10", "D": "6.20" },
      "correct_answer": "B"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "⚖️ 1.99 kg + 2.01 kg = ?",
      "options": {
        "A": "3.90 kg",
        "B": "4.00 kg",
        "C": "4.10 kg",
        "D": "4.20 kg"
      },
      "correct_answer": "B"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "📚 5.28 + 2.72 = ?",
      "options": { "A": "7.90", "B": "8.00", "C": "8.10", "D": "8.20" },
      "correct_answer": "B"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "🏃 6.45 m + 3.55 m = ?",
      "options": {
        "A": "9.90 m",
        "B": "10.00 m",
        "C": "10.10 m",
        "D": "10.20 m"
      },
      "correct_answer": "B"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "💰 ₹3.67 + ₹4.33 = ?",
      "options": { "A": "₹7.90", "B": "₹8.00", "C": "₹8.10", "D": "₹8.20" },
      "correct_answer": "B"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "📏 7.89 cm + 2.11 cm = ?",
      "options": {
        "A": "9.90 cm",
        "B": "10.00 cm",
        "C": "10.10 cm",
        "D": "10.20 cm"
      },
      "correct_answer": "B"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "🍎 4.56 apples + 3.44 apples = ?",
      "options": { "A": "7.90", "B": "8.00", "C": "8.10", "D": "8.20" },
      "correct_answer": "B"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "⚖️ 8.23 kg + 1.77 kg = ?",
      "options": {
        "A": "9.90 kg",
        "B": "10.00 kg",
        "C": "10.10 kg",
        "D": "10.20 kg"
      },
      "correct_answer": "B"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "📚 9.34 + 0.66 = ?",
      "options": { "A": "9.90", "B": "10.00", "C": "10.10", "D": "10.20" },
      "correct_answer": "B"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "💧 5.78 L + 4.22 L = ?",
      "options": {
        "A": "9.90 L",
        "B": "10.00 L",
        "C": "10.10 L",
        "D": "10.20 L"
      },
      "correct_answer": "B"
    },

    {
      "id": 41,
      "difficulty": "hard",
      "question": "📊 Add three decimals: 2.345 + 1.255 + 0.4",
      "options": { "A": "3.90", "B": "4.00", "C": "4.10", "D": "4.20" },
      "correct_answer": "B"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "💰 Calculate: ₹3.456 + ₹2.544 + ₹1.000",
      "options": { "A": "₹6.90", "B": "₹7.00", "C": "₹7.10", "D": "₹7.20" },
      "correct_answer": "B"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "📏 4.567 m + 3.233 m + 2.200 m = ?",
      "options": {
        "A": "9.90 m",
        "B": "10.00 m",
        "C": "10.10 m",
        "D": "10.20 m"
      },
      "correct_answer": "B"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "⚖️ 5.678 kg + 2.222 kg + 2.100 kg = ?",
      "options": {
        "A": "9.90 kg",
        "B": "10.00 kg",
        "C": "10.10 kg",
        "D": "10.20 kg"
      },
      "correct_answer": "B"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "🍎 3.456 + 2.444 + 4.100 = ?",
      "options": { "A": "9.90", "B": "10.00", "C": "10.10", "D": "10.20" },
      "correct_answer": "B"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "📚 6.789 + 1.111 + 2.100 = ?",
      "options": { "A": "9.90", "B": "10.00", "C": "10.10", "D": "10.20" },
      "correct_answer": "B"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "🚗 7.890 km + 0.110 km + 2.000 km = ?",
      "options": {
        "A": "9.90 km",
        "B": "10.00 km",
        "C": "10.10 km",
        "D": "10.20 km"
      },
      "correct_answer": "B"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "💧 4.567 L + 3.233 L + 2.200 L = ?",
      "options": {
        "A": "9.90 L",
        "B": "10.00 L",
        "C": "10.10 L",
        "D": "10.20 L"
      },
      "correct_answer": "B"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "💰 ₹5.678 + ₹2.222 + ₹2.100 = ?",
      "options": { "A": "₹9.90", "B": "₹10.00", "C": "₹10.10", "D": "₹10.20" },
      "correct_answer": "B"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "📏 8.901 cm + 0.099 cm + 1.000 cm = ?",
      "options": {
        "A": "9.90 cm",
        "B": "10.00 cm",
        "C": "10.10 cm",
        "D": "10.20 cm"
      },
      "correct_answer": "B"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "⚖️ 2.345 kg + 3.455 kg + 4.200 kg = ?",
      "options": {
        "A": "9.90 kg",
        "B": "10.00 kg",
        "C": "10.10 kg",
        "D": "10.20 kg"
      },
      "correct_answer": "B"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "📚 9.876 + 0.024 + 0.100 = ?",
      "options": { "A": "9.90", "B": "10.00", "C": "10.10", "D": "10.20" },
      "correct_answer": "B"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "🏃 3.456 m + 4.344 m + 2.200 m = ?",
      "options": {
        "A": "9.90 m",
        "B": "10.00 m",
        "C": "10.10 m",
        "D": "10.20 m"
      },
      "correct_answer": "B"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "💰 ₹6.789 + ₹1.111 + ₹2.100 = ?",
      "options": { "A": "₹9.90", "B": "₹10.00", "C": "₹10.10", "D": "₹10.20" },
      "correct_answer": "B"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "📏 5.678 cm + 2.122 cm + 2.200 cm = ?",
      "options": {
        "A": "9.90 cm",
        "B": "10.00 cm",
        "C": "10.10 cm",
        "D": "10.20 cm"
      },
      "correct_answer": "B"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "🍎 7.890 + 0.010 + 2.100 = ?",
      "options": { "A": "9.90", "B": "10.00", "C": "10.10", "D": "10.20" },
      "correct_answer": "B"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "⚖️ 4.567 kg + 3.233 kg + 2.200 kg = ?",
      "options": {
        "A": "9.90 kg",
        "B": "10.00 kg",
        "C": "10.10 kg",
        "D": "10.20 kg"
      },
      "correct_answer": "B"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "📚 8.901 + 0.099 + 1.000 = ?",
      "options": { "A": "9.90", "B": "10.00", "C": "10.10", "D": "10.20" },
      "correct_answer": "B"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "💧 6.789 L + 1.011 L + 2.200 L = ?",
      "options": {
        "A": "9.90 L",
        "B": "10.00 L",
        "C": "10.10 L",
        "D": "10.20 L"
      },
      "correct_answer": "B"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "🚗 9.876 km + 0.024 km + 0.100 km = ?",
      "options": {
        "A": "9.90 km",
        "B": "10.00 km",
        "C": "10.10 km",
        "D": "10.20 km"
      },
      "correct_answer": "B"
    }
  ]
}