{
  "title": "Operations on Decimals - Grade 6 ICSE",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "Add: 0.5 + 0.2 = ? 🧮",
      "options": { "A": "0.7", "B": "0.3", "C": "0.25", "D": "0.52" },
      "correct_answer": "A"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "Subtract: 1.8 - 0.5 = ? 📏",
      "options": { "A": "1.2", "B": "1.3", "C": "1.0", "D": "1.5" },
      "correct_answer": "B"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "0.6 + 0.4 = ? 🤔",
      "options": { "A": "1.0", "B": "0.10", "C": "1.2", "D": "0.24" },
      "correct_answer": "A"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "3.2 - 1.1 = ? ✨",
      "options": { "A": "2.0", "B": "2.1", "C": "1.9", "D": "2.2" },
      "correct_answer": "B"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "Add: 0.75 + 0.25 = ? 🎯",
      "options": { "A": "0.90", "B": "1.00", "C": "1.10", "D": "0.80" },
      "correct_answer": "B"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "1.5 + 2.5 = ? 🧠",
      "options": { "A": "4.0", "B": "3.5", "C": "4.5", "D": "3.0" },
      "correct_answer": "A"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "Subtract: 5.5 - 2.0 = ? 📐",
      "options": { "A": "3.0", "B": "3.5", "C": "2.5", "D": "4.0" },
      "correct_answer": "B"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "0.9 + 0.1 = ? ✅",
      "options": { "A": "1.0", "B": "0.10", "C": "0.8", "D": "1.1" },
      "correct_answer": "A"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "2.3 - 1.2 = ? 🔢",
      "options": { "A": "1.1", "B": "1.2", "C": "1.0", "D": "0.9" },
      "correct_answer": "A"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "Add: 0.05 + 0.15 = ? 📝",
      "options": { "A": "0.20", "B": "0.25", "C": "0.30", "D": "0.02" },
      "correct_answer": "A"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "Subtract: 4.8 - 3.3 = ? 🧩",
      "options": { "A": "1.2", "B": "1.5", "C": "1.6", "D": "2.5" },
      "correct_answer": "B"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "0.12 + 0.13 = ? 🧾",
      "options": { "A": "0.25", "B": "0.35", "C": "0.20", "D": "0.15" },
      "correct_answer": "A"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "7.6 - 5.1 = ? 🤓",
      "options": { "A": "2.5", "B": "2.6", "C": "1.5", "D": "3.5" },
      "correct_answer": "A"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "Add: 1.25 + 0.75 = ? 🧮",
      "options": { "A": "2.0", "B": "2.5", "C": "1.95", "D": "1.75" },
      "correct_answer": "A"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "Subtract: 3.0 - 1.5 = ? ✂️",
      "options": { "A": "1.0", "B": "1.5", "C": "2.0", "D": "2.5" },
      "correct_answer": "B"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "0.4 + 0.6 + 0.5 = ? 🎲",
      "options": { "A": "1.3", "B": "1.4", "C": "1.5", "D": "1.6" },
      "correct_answer": "C"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "8.9 - 4.4 = ? 📌",
      "options": { "A": "4.5", "B": "4.6", "C": "5.5", "D": "3.5" },
      "correct_answer": "A"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "Add: 2.2 + 3.3 = ? 🧵",
      "options": { "A": "5.5", "B": "5.0", "C": "6.5", "D": "4.5" },
      "correct_answer": "A"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "Subtract: 6.7 - 2.2 = ? 🪀",
      "options": { "A": "4.5", "B": "3.5", "C": "5.5", "D": "4.0" },
      "correct_answer": "A"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "0.8 + 1.2 = ? 🏆",
      "options": { "A": "2.0", "B": "1.9", "C": "2.1", "D": "1.8" },
      "correct_answer": "A"
    },
    {
      "id": 21,
      "difficulty": "medium",
      "question": "Multiply: 0.3 × 4 = ? 🤖",
      "options": { "A": "1.2", "B": "0.12", "C": "12", "D": "0.7" },
      "correct_answer": "A"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "Divide: 1.5 ÷ 0.5 = ? 🧩",
      "options": { "A": "3", "B": "0.3", "C": "30", "D": "0.75" },
      "correct_answer": "A"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "2.5 × 0.4 = ? 🎨",
      "options": { "A": "1.0", "B": "0.1", "C": "10", "D": "0.01" },
      "correct_answer": "A"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "1.2 ÷ 0.3 = ? ✨",
      "options": { "A": "4", "B": "0.4", "C": "40", "D": "3.6" },
      "correct_answer": "A"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "Multiply: 0.6 × 0.5 = ? 🧠",
      "options": { "A": "0.3", "B": "0.03", "C": "3.0", "D": "1.1" },
      "correct_answer": "A"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "Divide: 0.9 ÷ 0.3 = ? 🧾",
      "options": { "A": "3", "B": "0.3", "C": "30", "D": "2.7" },
      "correct_answer": "A"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "What is 0.25 × 8? 🧮",
      "options": { "A": "2.0", "B": "0.2", "C": "20", "D": "0.02" },
      "correct_answer": "A"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "Calculate: 4.8 ÷ 1.2 = ? 🔢",
      "options": { "A": "4", "B": "0.4", "C": "40", "D": "5.76" },
      "correct_answer": "A"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "0.15 × 2 = ? 📏",
      "options": { "A": "0.30", "B": "0.03", "C": "3.0", "D": "1.5" },
      "correct_answer": "A"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "3.6 ÷ 0.6 = ? 🎯",
      "options": { "A": "6", "B": "0.6", "C": "60", "D": "2.16" },
      "correct_answer": "A"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "Multiply: 1.1 × 0.5 = ? 🧵",
      "options": { "A": "0.55", "B": "5.5", "C": "0.055", "D": "1.6" },
      "correct_answer": "A"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "Divide: 2.4 ÷ 0.8 = ? 📌",
      "options": { "A": "3", "B": "0.3", "C": "30", "D": "1.92" },
      "correct_answer": "A"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "What is 0.75 × 4? 🪀",
      "options": { "A": "3.0", "B": "0.3", "C": "30", "D": "0.03" },
      "correct_answer": "A"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "5.5 ÷ 1.1 = ? ✅",
      "options": { "A": "5", "B": "0.5", "C": "50", "D": "6.05" },
      "correct_answer": "A"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "Multiply: 2.2 × 0.3 = ? 🤓",
      "options": { "A": "0.66", "B": "6.6", "C": "0.066", "D": "2.5" },
      "correct_answer": "A"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "Divide: 1.8 ÷ 0.9 = ? 🧾",
      "options": { "A": "2", "B": "0.2", "C": "20", "D": "1.62" },
      "correct_answer": "A"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "0.4 × 0.25 = ? 🧩",
      "options": { "A": "0.10", "B": "0.01", "C": "1.0", "D": "0.65" },
      "correct_answer": "A"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "3.0 ÷ 0.5 = ? ✂️",
      "options": { "A": "6", "B": "0.6", "C": "60", "D": "1.5" },
      "correct_answer": "A"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "Multiply: 1.6 × 0.5 = ? 📝",
      "options": { "A": "0.8", "B": "8.0", "C": "0.08", "D": "2.1" },
      "correct_answer": "A"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "Divide: 6.3 ÷ 0.9 = ? 🧮",
      "options": { "A": "7", "B": "0.7", "C": "70", "D": "5.67" },
      "correct_answer": "A"
    },
    {
      "id": 41,
      "difficulty": "hard",
      "question": "Multiply: 0.12 × 0.5 = ? 🎲",
      "options": { "A": "0.06", "B": "0.6", "C": "0.006", "D": "1.2" },
      "correct_answer": "A"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "Divide: 0.84 ÷ 0.12 = ? 🤖",
      "options": { "A": "7", "B": "0.7", "C": "70", "D": "0.96" },
      "correct_answer": "A"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "2.75 × 0.4 = ? 📐",
      "options": { "A": "1.1", "B": "11", "C": "0.11", "D": "3.15" },
      "correct_answer": "A"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "1.44 ÷ 0.12 = ? 🔢",
      "options": { "A": "12", "B": "1.2", "C": "120", "D": "0.12" },
      "correct_answer": "A"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "Multiply: 0.03 × 0.2 = ? 🧠",
      "options": { "A": "0.006", "B": "0.06", "C": "0.6", "D": "0.0006" },
      "correct_answer": "A"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "Divide: 5.6 ÷ 0.08 = ? 🧾",
      "options": { "A": "70", "B": "7", "C": "0.7", "D": "0.448" },
      "correct_answer": "A"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "What is 1.25 × 0.8? 🏆",
      "options": { "A": "1.0", "B": "0.1", "C": "10", "D": "0.01" },
      "correct_answer": "A"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "Calculate: 0.96 ÷ 0.16 = ? ✨",
      "options": { "A": "6", "B": "0.6", "C": "60", "D": "0.1536" },
      "correct_answer": "A"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "Multiply: 3.5 × 0.06 = ? 📌",
      "options": { "A": "0.21", "B": "2.1", "C": "0.021", "D": "3.56" },
      "correct_answer": "A"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "Divide: 7.2 ÷ 0.09 = ? 🎨",
      "options": { "A": "80", "B": "8", "C": "0.8", "D": "0.648" },
      "correct_answer": "A"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "Multiply: 0.125 × 8 = ? 🧩",
      "options": { "A": "1.0", "B": "0.1", "C": "10", "D": "0.01" },
      "correct_answer": "A"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "Divide: 3.24 ÷ 0.12 = ? 🤓",
      "options": { "A": "27", "B": "2.7", "C": "270", "D": "0.27" },
      "correct_answer": "A"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "Multiply: 2.8 × 0.15 = ? 🧮",
      "options": { "A": "0.42", "B": "4.2", "C": "0.042", "D": "2.95" },
      "correct_answer": "A"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "Divide: 4.9 ÷ 0.07 = ? 🧵",
      "options": { "A": "70", "B": "7", "C": "0.7", "D": "0.343" },
      "correct_answer": "A"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "What is 0.45 × 0.2? 🪀",
      "options": { "A": "0.09", "B": "0.9", "C": "0.009", "D": "0.65" },
      "correct_answer": "A"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "Calculate: 6.3 ÷ 0.15 = ? ✅",
      "options": { "A": "42", "B": "4.2", "C": "420", "D": "0.945" },
      "correct_answer": "A"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "Multiply: 1.05 × 0.4 = ? 🎯",
      "options": { "A": "0.42", "B": "4.2", "C": "0.042", "D": "1.45" },
      "correct_answer": "A"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "Divide: 8.1 ÷ 0.09 = ? 📏",
      "options": { "A": "90", "B": "9", "C": "0.9", "D": "0.729" },
      "correct_answer": "A"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "What is 0.08 × 0.25? ✂️",
      "options": { "A": "0.02", "B": "0.002", "C": "0.2", "D": "0.33" },
      "correct_answer": "A"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "Divide: 9.6 ÷ 0.24 = ? 🧾",
      "options": { "A": "40", "B": "4", "C": "0.4", "D": "2.304" },
      "correct_answer": "A"
    }
  ]
}