{
  "title": "HCF and LCM - Grade 4 ICSE",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "🍎 Find the HCF of 6 and 9 🍏",
      "options": { "A": "2", "B": "3", "C": "6", "D": "9" },
      "correct_answer": "B"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "📚 What is the LCM of 4 and 5? 📖",
      "options": { "A": "10", "B": "15", "C": "20", "D": "25" },
      "correct_answer": "C"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "🐱 HCF of 8 and 12 is? 🐶",
      "options": { "A": "2", "B": "4", "C": "6", "D": "8" },
      "correct_answer": "B"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "⚽ LCM of 3 and 6 is? 🏀",
      "options": { "A": "3", "B": "6", "C": "9", "D": "12" },
      "correct_answer": "B"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "🎨 Find HCF of 10 and 15 🖌️",
      "options": { "A": "3", "B": "5", "C": "10", "D": "15" },
      "correct_answer": "B"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "🍕 What is LCM of 2 and 7? 🍔",
      "options": { "A": "7", "B": "14", "C": "21", "D": "28" },
      "correct_answer": "B"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "🚗 HCF of 9 and 15 is? 🚌",
      "options": { "A": "3", "B": "5", "C": "9", "D": "15" },
      "correct_answer": "A"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "📏 LCM of 5 and 10 is? 📐",
      "options": { "A": "5", "B": "10", "C": "15", "D": "20" },
      "correct_answer": "B"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "🎯 Find HCF of 12 and 18 🎮",
      "options": { "A": "3", "B": "6", "C": "9", "D": "12" },
      "correct_answer": "B"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "🌟 What is LCM of 4 and 6? ⭐",
      "options": { "A": "12", "B": "18", "C": "24", "D": "30" },
      "correct_answer": "A"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "🐟 HCF of 14 and 21 is? 🐠",
      "options": { "A": "3", "B": "7", "C": "14", "D": "21" },
      "correct_answer": "B"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "🍦 LCM of 3 and 8 is? 🍰",
      "options": { "A": "16", "B": "20", "C": "24", "D": "30" },
      "correct_answer": "C"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "🚲 Find HCF of 16 and 24 🛴",
      "options": { "A": "4", "B": "6", "C": "8", "D": "12" },
      "correct_answer": "C"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "📚 What is LCM of 6 and 9? 📖",
      "options": { "A": "12", "B": "18", "C": "24", "D": "27" },
      "correct_answer": "B"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "🎈 HCF of 20 and 30 is? 🎈",
      "options": { "A": "5", "B": "10", "C": "15", "D": "20" },
      "correct_answer": "B"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "🍫 LCM of 4 and 7 is? 🍭",
      "options": { "A": "14", "B": "21", "C": "28", "D": "35" },
      "correct_answer": "C"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "⚽ Find HCF of 18 and 27 🏈",
      "options": { "A": "3", "B": "6", "C": "9", "D": "18" },
      "correct_answer": "C"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "📏 What is LCM of 8 and 12? 📐",
      "options": { "A": "16", "B": "20", "C": "24", "D": "30" },
      "correct_answer": "C"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "🍎 HCF of 24 and 36 is? 🍏",
      "options": { "A": "6", "B": "8", "C": "12", "D": "18" },
      "correct_answer": "C"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "🎨 LCM of 5 and 8 is? 🖼️",
      "options": { "A": "20", "B": "30", "C": "40", "D": "50" },
      "correct_answer": "C"
    },

    {
      "id": 21,
      "difficulty": "medium",
      "question": "🏫 Find HCF of 28 and 42 🏢",
      "options": { "A": "7", "B": "14", "C": "21", "D": "28" },
      "correct_answer": "B"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "🚀 What is LCM of 12 and 15? ✈️",
      "options": { "A": "30", "B": "45", "C": "60", "D": "75" },
      "correct_answer": "C"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "🌟 HCF of 36 and 48 is? ⭐",
      "options": { "A": "6", "B": "12", "C": "18", "D": "24" },
      "correct_answer": "B"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "🍕 LCM of 9 and 12 is? 🍔",
      "options": { "A": "24", "B": "30", "C": "36", "D": "42" },
      "correct_answer": "C"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "📚 Find HCF of 45 and 60 📖",
      "options": { "A": "5", "B": "10", "C": "15", "D": "20" },
      "correct_answer": "C"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "🎯 What is LCM of 14 and 21? 🎮",
      "options": { "A": "28", "B": "35", "C": "42", "D": "49" },
      "correct_answer": "C"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "🚗 HCF of 54 and 72 is? 🚚",
      "options": { "A": "6", "B": "9", "C": "12", "D": "18" },
      "correct_answer": "D"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "🍦 LCM of 16 and 24 is? 🍰",
      "options": { "A": "32", "B": "40", "C": "48", "D": "56" },
      "correct_answer": "C"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "🐱 Find HCF of 63 and 84 🐶",
      "options": { "A": "7", "B": "14", "C": "21", "D": "28" },
      "correct_answer": "C"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "📏 What is LCM of 18 and 27? 📐",
      "options": { "A": "36", "B": "45", "C": "54", "D": "63" },
      "correct_answer": "C"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "⚽ HCF of 75 and 90 is? ⚾",
      "options": { "A": "5", "B": "10", "C": "15", "D": "25" },
      "correct_answer": "C"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "🎈 LCM of 20 and 25 is? 🎈",
      "options": { "A": "50", "B": "75", "C": "100", "D": "125" },
      "correct_answer": "C"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "🍎 Find HCF of 48 and 64 🍏",
      "options": { "A": "8", "B": "12", "C": "16", "D": "24" },
      "correct_answer": "C"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "🚲 What is LCM of 15 and 20? 🛴",
      "options": { "A": "30", "B": "45", "C": "60", "D": "75" },
      "correct_answer": "C"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "📚 HCF of 81 and 108 is? 📖",
      "options": { "A": "9", "B": "18", "C": "27", "D": "36" },
      "correct_answer": "C"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "🍫 LCM of 24 and 36 is? 🍭",
      "options": { "A": "48", "B": "60", "C": "72", "D": "84" },
      "correct_answer": "C"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "🏫 Find HCF of 96 and 120 🏢",
      "options": { "A": "12", "B": "18", "C": "24", "D": "30" },
      "correct_answer": "C"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "🎨 What is LCM of 28 and 35? 🖌️",
      "options": { "A": "70", "B": "105", "C": "140", "D": "175" },
      "correct_answer": "C"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "🚀 HCF of 105 and 126 is? ✈️",
      "options": { "A": "7", "B": "14", "C": "21", "D": "28" },
      "correct_answer": "C"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "🌟 LCM of 30 and 45 is? ⭐",
      "options": { "A": "60", "B": "75", "C": "90", "D": "105" },
      "correct_answer": "C"
    },

    {
      "id": 41,
      "difficulty": "hard",
      "question": "🍕 Find HCF of 144 and 180 🍔",
      "options": { "A": "12", "B": "18", "C": "24", "D": "36" },
      "correct_answer": "D"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "📚 What is LCM of 42 and 56? 📖",
      "options": { "A": "112", "B": "126", "C": "168", "D": "196" },
      "correct_answer": "C"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "🐱 HCF of 168 and 210 is? 🐶",
      "options": { "A": "14", "B": "21", "C": "28", "D": "42" },
      "correct_answer": "D"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "🚗 LCM of 54 and 72 is? 🚚",
      "options": { "A": "108", "B": "144", "C": "216", "D": "288" },
      "correct_answer": "C"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "🎯 Find HCF of 192 and 256 🎮",
      "options": { "A": "32", "B": "48", "C": "64", "D": "96" },
      "correct_answer": "C"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "🍦 What is LCM of 60 and 84? 🍰",
      "options": { "A": "180", "B": "240", "C": "300", "D": "420" },
      "correct_answer": "D"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "⚽ HCF of 225 and 300 is? ⚾",
      "options": { "A": "25", "B": "50", "C": "75", "D": "100" },
      "correct_answer": "C"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "📏 LCM of 75 and 90 is? 📐",
      "options": { "A": "150", "B": "225", "C": "300", "D": "450" },
      "correct_answer": "D"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "🍎 Find HCF of 252 and 294 🍏",
      "options": { "A": "14", "B": "21", "C": "28", "D": "42" },
      "correct_answer": "D"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "🚲 What is LCM of 96 and 120? 🛴",
      "options": { "A": "240", "B": "360", "C": "480", "D": "600" },
      "correct_answer": "C"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "🎈 HCF of 315 and 420 is? 🎈",
      "options": { "A": "35", "B": "70", "C": "105", "D": "140" },
      "correct_answer": "C"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "🍫 LCM of 108 and 144 is? 🍭",
      "options": { "A": "216", "B": "288", "C": "324", "D": "432" },
      "correct_answer": "D"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "🏫 Find HCF of 360 and 450 🏢",
      "options": { "A": "30", "B": "45", "C": "60", "D": "90" },
      "correct_answer": "D"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "🎨 What is LCM of 126 and 168? 🖌️",
      "options": { "A": "252", "B": "336", "C": "504", "D": "672" },
      "correct_answer": "C"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "🚀 HCF of 480 and 576 is? ✈️",
      "options": { "A": "48", "B": "64", "C": "96", "D": "128" },
      "correct_answer": "C"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "🌟 LCM of 180 and 240 is? ⭐",
      "options": { "A": "360", "B": "480", "C": "600", "D": "720" },
      "correct_answer": "D"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "📚 Find HCF of 504 and 588 📖",
      "options": { "A": "28", "B": "42", "C": "56", "D": "84" },
      "correct_answer": "D"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "🍕 What is LCM of 210 and 280? 🍔",
      "options": { "A": "420", "B": "560", "C": "840", "D": "1120" },
      "correct_answer": "C"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "🐟 HCF of 630 and 735 is? 🐠",
      "options": { "A": "35", "B": "70", "C": "105", "D": "210" },
      "correct_answer": "C"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "📏 LCM of 300 and 360 is? 📐",
      "options": { "A": "600", "B": "900", "C": "1200", "D": "1800" },
      "correct_answer": "D"
    }
  ]
}