{
  "title": "All Operations on Decimals - Grade 5 ICSE",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "What is 0.5 + 0.3? 🧮",
      "options": { "A": "0.7", "B": "0.8", "C": "0.6", "D": "0.9" },
      "correct_answer": "B"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "Subtract: 2.4 – 1.1 = ?",
      "options": { "A": "1.2", "B": "1.3", "C": "1.4", "D": "1.5" },
      "correct_answer": "B"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "Multiply: 0.2 × 4 = ? ✖️",
      "options": { "A": "0.6", "B": "0.8", "C": "0.4", "D": "0.9" },
      "correct_answer": "B"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "Divide: 0.9 ÷ 3 = ?",
      "options": { "A": "0.2", "B": "0.3", "C": "0.4", "D": "0.5" },
      "correct_answer": "B"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "1.5 + 2.5 = ?",
      "options": { "A": "3.5", "B": "4.0", "C": "3.0", "D": "4.5" },
      "correct_answer": "B"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "3.6 – 0.6 = ?",
      "options": { "A": "2.8", "B": "3.2", "C": "3.0", "D": "2.6" },
      "correct_answer": "C"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "0.4 × 5 = ?",
      "options": { "A": "1.5", "B": "2.0", "C": "1.8", "D": "2.2" },
      "correct_answer": "B"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "2.4 ÷ 2 = ?",
      "options": { "A": "1.3", "B": "1.2", "C": "1.4", "D": "1.1" },
      "correct_answer": "B"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "Add: 0.7 + 0.8 = ?",
      "options": { "A": "1.4", "B": "1.5", "C": "1.6", "D": "1.3" },
      "correct_answer": "B"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "Subtract: 5.0 – 2.3 = ?",
      "options": { "A": "2.6", "B": "2.7", "C": "2.8", "D": "2.5" },
      "correct_answer": "B"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "Multiply: 3 × 0.5 = ?",
      "options": { "A": "1.0", "B": "1.5", "C": "2.0", "D": "2.5" },
      "correct_answer": "B"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "Divide: 1.5 ÷ 3 = ?",
      "options": { "A": "0.4", "B": "0.5", "C": "0.6", "D": "0.3" },
      "correct_answer": "B"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "Add: 4.2 + 1.3 = ? 📏",
      "options": { "A": "5.4", "B": "5.5", "C": "5.6", "D": "5.7" },
      "correct_answer": "B"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "Subtract: 7.5 – 4.2 = ?",
      "options": { "A": "3.2", "B": "3.3", "C": "3.4", "D": "3.5" },
      "correct_answer": "B"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "Multiply: 0.6 × 3 = ?",
      "options": { "A": "1.6", "B": "1.8", "C": "2.0", "D": "1.4" },
      "correct_answer": "B"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "Divide: 2.4 ÷ 4 = ?",
      "options": { "A": "0.5", "B": "0.6", "C": "0.7", "D": "0.8" },
      "correct_answer": "B"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "Add: 1.25 + 0.75 = ?",
      "options": { "A": "1.90", "B": "2.00", "C": "1.95", "D": "2.05" },
      "correct_answer": "B"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "Subtract: 4.8 – 2.5 = ?",
      "options": { "A": "2.2", "B": "2.3", "C": "2.4", "D": "2.5" },
      "correct_answer": "B"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "Multiply: 2 × 1.5 = ?",
      "options": { "A": "2.5", "B": "3.0", "C": "2.8", "D": "3.2" },
      "correct_answer": "B"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "Divide: 3.0 ÷ 6 = ?",
      "options": { "A": "0.4", "B": "0.5", "C": "0.6", "D": "0.7" },
      "correct_answer": "B"
    },

    {
      "id": 21,
      "difficulty": "medium",
      "question": "What is 4.37 + 2.86? 🧮",
      "options": { "A": "7.23", "B": "7.13", "C": "7.33", "D": "7.03" },
      "correct_answer": "A"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "Subtract: 9.05 – 3.92 = ?",
      "options": { "A": "5.13", "B": "5.23", "C": "5.03", "D": "4.93" },
      "correct_answer": "A"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "Multiply: 1.5 × 2.4 = ?",
      "options": { "A": "3.5", "B": "3.6", "C": "3.8", "D": "3.2" },
      "correct_answer": "B"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "Divide: 5.6 ÷ 0.8 = ?",
      "options": { "A": "6.5", "B": "7.0", "C": "6.0", "D": "7.5" },
      "correct_answer": "B"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "Add: 12.34 + 5.67 = ?",
      "options": { "A": "18.01", "B": "18.11", "C": "17.91", "D": "17.01" },
      "correct_answer": "A"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "Subtract: 8.46 – 2.59 = ?",
      "options": { "A": "5.87", "B": "5.97", "C": "5.77", "D": "5.67" },
      "correct_answer": "A"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "Multiply: 0.25 × 8 = ?",
      "options": { "A": "2.0", "B": "2.5", "C": "1.5", "D": "3.0" },
      "correct_answer": "A"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "Divide: 4.5 ÷ 0.5 = ?",
      "options": { "A": "8", "B": "9", "C": "10", "D": "7" },
      "correct_answer": "B"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "Add: 7.08 + 3.92 = ?",
      "options": { "A": "11.00", "B": "10.90", "C": "11.10", "D": "10.80" },
      "correct_answer": "A"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "Subtract: 10.00 – 4.63 = ?",
      "options": { "A": "5.37", "B": "5.27", "C": "5.47", "D": "4.37" },
      "correct_answer": "A"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "Multiply: 3.2 × 0.5 = ?",
      "options": { "A": "1.5", "B": "1.6", "C": "1.7", "D": "1.4" },
      "correct_answer": "B"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "Divide: 7.2 ÷ 0.6 = ?",
      "options": { "A": "11", "B": "12", "C": "13", "D": "10" },
      "correct_answer": "B"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "Add: 0.75 + 0.25 = ?",
      "options": { "A": "0.9", "B": "1.0", "C": "1.1", "D": "0.8" },
      "correct_answer": "B"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "Subtract: 6.53 – 1.78 = ?",
      "options": { "A": "4.65", "B": "4.75", "C": "4.85", "D": "4.55" },
      "correct_answer": "B"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "Multiply: 4 × 2.25 = ?",
      "options": { "A": "8.5", "B": "9.0", "C": "8.75", "D": "9.25" },
      "correct_answer": "B"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "Divide: 9.6 ÷ 1.2 = ?",
      "options": { "A": "7.5", "B": "8.0", "C": "8.5", "D": "7.0" },
      "correct_answer": "B"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "Add: 13.5 + 2.75 = ?",
      "options": { "A": "16.25", "B": "16.15", "C": "16.35", "D": "15.95" },
      "correct_answer": "A"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "Subtract: 20.1 – 9.9 = ?",
      "options": { "A": "10.2", "B": "10.3", "C": "10.1", "D": "10.0" },
      "correct_answer": "A"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "Multiply: 2.5 × 3.2 = ?",
      "options": { "A": "7.5", "B": "8.0", "C": "7.0", "D": "8.5" },
      "correct_answer": "B"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "Divide: 6.3 ÷ 0.9 = ?",
      "options": { "A": "6.5", "B": "7.0", "C": "6.0", "D": "7.5" },
      "correct_answer": "B"
    },

    {
      "id": 41,
      "difficulty": "hard",
      "question": "Add: 25.763 + 14.237 = ? 🔢",
      "options": { "A": "40.000", "B": "39.900", "C": "40.100", "D": "39.000" },
      "correct_answer": "A"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "Subtract: 50.005 – 29.879 = ?",
      "options": { "A": "20.126", "B": "20.226", "C": "20.026", "D": "20.326" },
      "correct_answer": "A"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "Multiply: 6.25 × 1.6 = ?",
      "options": { "A": "9.0", "B": "10.0", "C": "10.5", "D": "9.5" },
      "correct_answer": "B"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "Divide: 11.25 ÷ 0.75 = ?",
      "options": { "A": "14", "B": "15", "C": "16", "D": "13" },
      "correct_answer": "B"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "Add: 8.999 + 2.001 = ?",
      "options": { "A": "11.0", "B": "11.1", "C": "10.9", "D": "10.8" },
      "correct_answer": "A"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "Subtract: 100.00 – 47.63 = ?",
      "options": { "A": "52.37", "B": "52.47", "C": "52.27", "D": "51.37" },
      "correct_answer": "A"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "Multiply: 3.75 × 2.4 = ?",
      "options": { "A": "8.5", "B": "9.0", "C": "8.0", "D": "9.5" },
      "correct_answer": "B"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "Divide: 14.4 ÷ 1.2 = ?",
      "options": { "A": "11", "B": "12", "C": "13", "D": "10" },
      "correct_answer": "B"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "Add: 0.456 + 0.789 = ?",
      "options": { "A": "1.245", "B": "1.235", "C": "1.255", "D": "1.225" },
      "correct_answer": "A"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "Subtract: 7.003 – 4.897 = ?",
      "options": { "A": "2.106", "B": "2.116", "C": "2.096", "D": "2.086" },
      "correct_answer": "A"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "Multiply: 1.25 × 0.8 = ?",
      "options": { "A": "0.9", "B": "1.0", "C": "1.1", "D": "0.8" },
      "correct_answer": "B"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "Divide: 5.76 ÷ 0.24 = ?",
      "options": { "A": "22", "B": "24", "C": "26", "D": "20" },
      "correct_answer": "B"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "Add: 15.75 + 9.25 = ?",
      "options": { "A": "24.0", "B": "25.0", "C": "24.5", "D": "25.5" },
      "correct_answer": "B"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "Subtract: 30.5 – 12.75 = ?",
      "options": { "A": "17.75", "B": "17.65", "C": "17.85", "D": "18.25" },
      "correct_answer": "A"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "Multiply: 4.8 × 2.5 = ?",
      "options": { "A": "11.5", "B": "12.0", "C": "12.5", "D": "11.0" },
      "correct_answer": "B"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "Divide: 18 ÷ 0.6 = ?",
      "options": { "A": "28", "B": "30", "C": "32", "D": "26" },
      "correct_answer": "B"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "Add: 23.456 + 12.544 = ?",
      "options": { "A": "36.0", "B": "36.1", "C": "35.9", "D": "35.8" },
      "correct_answer": "A"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "Subtract: 42.3 – 18.47 = ?",
      "options": { "A": "23.83", "B": "23.73", "C": "24.03", "D": "23.93" },
      "correct_answer": "A"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "Multiply: 5.6 × 0.125 = ?",
      "options": { "A": "0.6", "B": "0.7", "C": "0.8", "D": "0.5" },
      "correct_answer": "B"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "Divide: 8.1 ÷ 0.27 = ?",
      "options": { "A": "29", "B": "30", "C": "31", "D": "28" },
      "correct_answer": "B"
    }
  ]
}