{
  "title": "HCF and LCM - Grade 6 ICSE",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "HCF of 8 and 12? 🧮",
      "options": { "A": "4", "B": "8", "C": "12", "D": "24" },
      "correct_answer": "A"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "LCM of 4 and 5? ✨",
      "options": { "A": "20", "B": "10", "C": "15", "D": "25" },
      "correct_answer": "A"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "HCF of 9 and 15? 🎯",
      "options": { "A": "3", "B": "9", "C": "15", "D": "45" },
      "correct_answer": "A"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "LCM of 6 and 8? 📏",
      "options": { "A": "24", "B": "12", "C": "48", "D": "36" },
      "correct_answer": "A"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "HCF of 14 and 21? 🧠",
      "options": { "A": "7", "B": "14", "C": "21", "D": "42" },
      "correct_answer": "A"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "LCM of 7 and 9? 🤖",
      "options": { "A": "63", "B": "49", "C": "81", "D": "72" },
      "correct_answer": "A"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "HCF of 18 and 24? 🧩",
      "options": { "A": "6", "B": "12", "C": "18", "D": "24" },
      "correct_answer": "A"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "LCM of 10 and 15? 🧾",
      "options": { "A": "30", "B": "60", "C": "90", "D": "150" },
      "correct_answer": "A"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "HCF of 16 and 20? 📌",
      "options": { "A": "4", "B": "8", "C": "16", "D": "20" },
      "correct_answer": "A"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "LCM of 12 and 18? 🎨",
      "options": { "A": "36", "B": "72", "C": "108", "D": "216" },
      "correct_answer": "A"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "HCF of 25 and 30? 🧵",
      "options": { "A": "5", "B": "10", "C": "15", "D": "25" },
      "correct_answer": "A"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "LCM of 8 and 12? 🪀",
      "options": { "A": "24", "B": "48", "C": "96", "D": "12" },
      "correct_answer": "A"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "HCF of 27 and 36? ✅",
      "options": { "A": "9", "B": "18", "C": "27", "D": "36" },
      "correct_answer": "A"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "LCM of 9 and 12? 🔢",
      "options": { "A": "36", "B": "72", "C": "108", "D": "144" },
      "correct_answer": "A"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "HCF of 32 and 40? 🤓",
      "options": { "A": "8", "B": "16", "C": "32", "D": "40" },
      "correct_answer": "A"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "LCM of 11 and 13? 📝",
      "options": { "A": "143", "B": "286", "C": "429", "D": "572" },
      "correct_answer": "A"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "HCF of 45 and 60? ✨",
      "options": { "A": "15", "B": "30", "C": "45", "D": "60" },
      "correct_answer": "A"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "LCM of 14 and 21? 🏆",
      "options": { "A": "42", "B": "84", "C": "126", "D": "168" },
      "correct_answer": "A"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "HCF of 48 and 64? 🎲",
      "options": { "A": "16", "B": "24", "C": "32", "D": "48" },
      "correct_answer": "A"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "LCM of 15 and 25? 📐",
      "options": { "A": "75", "B": "150", "C": "225", "D": "375" },
      "correct_answer": "A"
    },
    {
      "id": 21,
      "difficulty": "medium",
      "question": "HCF of 72 and 96? 🧮",
      "options": { "A": "24", "B": "36", "C": "48", "D": "72" },
      "correct_answer": "A"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "LCM of 24 and 36? ✨",
      "options": { "A": "72", "B": "144", "C": "216", "D": "288" },
      "correct_answer": "A"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "HCF of 84 and 126? 🎯",
      "options": { "A": "42", "B": "63", "C": "84", "D": "126" },
      "correct_answer": "A"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "LCM of 28 and 42? 📏",
      "options": { "A": "84", "B": "168", "C": "252", "D": "336" },
      "correct_answer": "A"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "HCF of 90 and 120? 🧠",
      "options": { "A": "30", "B": "45", "C": "60", "D": "90" },
      "correct_answer": "A"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "LCM of 32 and 48? 🤖",
      "options": { "A": "96", "B": "192", "C": "288", "D": "384" },
      "correct_answer": "A"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "HCF of 108 and 144? 🧩",
      "options": { "A": "36", "B": "54", "C": "72", "D": "108" },
      "correct_answer": "A"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "LCM of 45 and 60? 🧾",
      "options": { "A": "180", "B": "360", "C": "540", "D": "720" },
      "correct_answer": "A"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "HCF of 56 and 98? 📌",
      "options": { "A": "14", "B": "28", "C": "42", "D": "56" },
      "correct_answer": "A"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "LCM of 50 and 75? 🎨",
      "options": { "A": "150", "B": "300", "C": "450", "D": "600" },
      "correct_answer": "A"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "HCF of 63 and 84? 🧵",
      "options": { "A": "21", "B": "42", "C": "63", "D": "84" },
      "correct_answer": "A"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "LCM of 54 and 72? 🪀",
      "options": { "A": "216", "B": "432", "C": "648", "D": "864" },
      "correct_answer": "A"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "HCF of 78 and 104? ✅",
      "options": { "A": "26", "B": "39", "C": "52", "D": "78" },
      "correct_answer": "A"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "LCM of 66 and 88? 🔢",
      "options": { "A": "264", "B": "528", "C": "792", "D": "1056" },
      "correct_answer": "A"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "HCF of 85 and 102? 🤓",
      "options": { "A": "17", "B": "34", "C": "51", "D": "85" },
      "correct_answer": "A"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "LCM of 80 and 96? 📝",
      "options": { "A": "480", "B": "960", "C": "1440", "D": "1920" },
      "correct_answer": "A"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "HCF of 96 and 112? ✨",
      "options": { "A": "16", "B": "32", "C": "48", "D": "64" },
      "correct_answer": "A"
    },
    {
      "id": 8,
      "difficulty": "medium",
      "question": "LCM of 99 and 121? 🏆",
      "options": { "A": "1089", "B": "2178", "C": "3267", "D": "4356" },
      "correct_answer": "A"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "HCF of 105 and 140? 🎲",
      "options": { "A": "35", "B": "70", "C": "105", "D": "140" },
      "correct_answer": "A"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "LCM of 120 and 150? 📐",
      "options": { "A": "600", "B": "1200", "C": "1800", "D": "2400" },
      "correct_answer": "A"
    },
    {
      "id": 41,
      "difficulty": "hard",
      "question": "HCF of 144, 180, and 192? 🧮",
      "options": { "A": "12", "B": "24", "C": "36", "D": "48" },
      "correct_answer": "A"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "LCM of 28, 42, and 56? ✨",
      "options": { "A": "168", "B": "336", "C": "504", "D": "672" },
      "correct_answer": "A"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "HCF of 210, 315, and 420? 🎯",
      "options": { "A": "105", "B": "210", "C": "315", "D": "420" },
      "correct_answer": "A"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "LCM of 36, 48, and 72? 📏",
      "options": { "A": "144", "B": "288", "C": "432", "D": "576" },
      "correct_answer": "A"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "HCF of 240, 360, and 480? 🧠",
      "options": { "A": "120", "B": "240", "C": "360", "D": "480" },
      "correct_answer": "A"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "LCM of 45, 60, and 75? 🤖",
      "options": { "A": "900", "B": "1800", "C": "2700", "D": "3600" },
      "correct_answer": "A"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "HCF of 330, 495, and 660? 🧩",
      "options": { "A": "165", "B": "330", "C": "495", "D": "660" },
      "correct_answer": "A"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "LCM of 63, 84, and 126? 🧾",
      "options": { "A": "252", "B": "504", "C": "756", "D": "1008" },
      "correct_answer": "A"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "HCF of 392, 588, and 784? 📌",
      "options": { "A": "196", "B": "392", "C": "588", "D": "784" },
      "correct_answer": "A"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "LCM of 80, 120, and 160? 🎨",
      "options": { "A": "480", "B": "960", "C": "1440", "D": "1920" },
      "correct_answer": "A"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "HCF of 450, 600, and 750? 🧵",
      "options": { "A": "150", "B": "300", "C": "450", "D": "600" },
      "correct_answer": "A"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "LCM of 96, 144, and 192? 🪀",
      "options": { "A": "576", "B": "1152", "C": "1728", "D": "2304" },
      "correct_answer": "A"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "HCF of 504, 756, and 1008? ✅",
      "options": { "A": "252", "B": "504", "C": "756", "D": "1008" },
      "correct_answer": "A"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "LCM of 108, 144, and 216? 🔢",
      "options": { "A": "432", "B": "864", "C": "1296", "D": "1728" },
      "correct_answer": "A"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "HCF of 630, 840, and 1050? 🤓",
      "options": { "A": "210", "B": "420", "C": "630", "D": "840" },
      "correct_answer": "A"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "LCM of 120, 180, and 240? 📝",
      "options": { "A": "720", "B": "1440", "C": "2160", "D": "2880" },
      "correct_answer": "A"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "HCF of 720, 960, and 1200? ✨",
      "options": { "A": "240", "B": "480", "C": "720", "D": "960" },
      "correct_answer": "A"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "LCM of 150, 225, and 300? 🏆",
      "options": { "A": "900", "B": "1800", "C": "2700", "D": "3600" },
      "correct_answer": "A"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "HCF of 792, 1188, and 1584? 🎲",
      "options": { "A": "396", "B": "792", "C": "1188", "D": "1584" },
      "correct_answer": "A"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "LCM of 168, 252, and 336? 📐",
      "options": { "A": "1008", "B": "2016", "C": "3024", "D": "4032" },
      "correct_answer": "A"
    }
  ]
}