{
  "title": "Operations on Large Numbers (Four Operations) - Grade 5 ICSE",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "Add: 2,345 + 1,234 = ? 🧮",
      "options": {
        "A": "3,479",
        "B": "3,569",
        "C": "3,579",
        "D": "3,679"
      },
      "correct_answer": "A"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "Subtract: 5,678 - 2,345 = ? 📊",
      "options": {
        "A": "3,233",
        "B": "3,323",
        "C": "3,333",
        "D": "3,433"
      },
      "correct_answer": "C"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "Multiply: 123 × 10 = ? 🔢",
      "options": { "A": "1,203", "B": "1,230", "C": "12,300", "D": "123,000" },
      "correct_answer": "B"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "Divide: 4,500 ÷ 100 = ? ✨",
      "options": { "A": "4.5", "B": "45", "C": "450", "D": "4,500" },
      "correct_answer": "B"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "Add: 12,345 + 6,789 = ? 🎯",
      "options": {
        "A": "18,124",
        "B": "19,034",
        "C": "19,134",
        "D": "20,134"
      },
      "correct_answer": "C"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "Subtract: 15,000 - 7,895 = ? 🚀",
      "options": {
        "A": "6,105",
        "B": "7,005",
        "C": "7,105",
        "D": "7,205"
      },
      "correct_answer": "C"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "Multiply: 450 × 20 = ? ⭐",
      "options": { "A": "9,000", "B": "9,500", "C": "10,000", "D": "10,500" },
      "correct_answer": "A"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "Divide: 8,400 ÷ 40 = ? 🎈",
      "options": { "A": "210", "B": "220", "C": "230", "D": "240" },
      "correct_answer": "A"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "Add: 23,456 + 12,345 = ? 📚",
      "options": {
        "A": "35,701",
        "B": "35,801",
        "C": "35,901",
        "D": "36,001"
      },
      "correct_answer": "A"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "Subtract: 50,000 - 23,456 = ? 🏆",
      "options": {
        "A": "26,444",
        "B": "26,544",
        "C": "26,644",
        "D": "26,744"
      },
      "correct_answer": "A"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "Multiply: 125 × 8 = ? 🎮",
      "options": { "A": "900", "B": "950", "C": "1,000", "D": "1,050" },
      "correct_answer": "C"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "Divide: 9,999 ÷ 9 = ? 🌈",
      "options": { "A": "1,101", "B": "1,111", "C": "1,121", "D": "1,131" },
      "correct_answer": "B"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "Add: 34,567 + 45,678 = ? 🎪",
      "options": {
        "A": "79,245",
        "B": "80,145",
        "C": "80,245",
        "D": "81,245"
      },
      "correct_answer": "C"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "Subtract: 75,432 - 25,678 = ? 🚗",
      "options": {
        "A": "49,654",
        "B": "49,754",
        "C": "49,854",
        "D": "49,754"
      },
      "correct_answer": "A"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "Multiply: 250 × 40 = ? 🍎",
      "options": { "A": "9,000", "B": "10,000", "C": "11,000", "D": "12,000" },
      "correct_answer": "B"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "Divide: 12,600 ÷ 60 = ? ⏰",
      "options": { "A": "210", "B": "220", "C": "230", "D": "240" },
      "correct_answer": "A"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "Add: 56,789 + 43,210 = ? 🎁",
      "options": {
        "A": "99,999",
        "B": "100,009",
        "C": "100,099",
        "D": "100,999"
      },
      "correct_answer": "A"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "Subtract: 99,999 - 88,888 = ? 🎯",
      "options": {
        "A": "10,111",
        "B": "11,111",
        "C": "12,111",
        "D": "13,111"
      },
      "correct_answer": "A"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "Multiply: 333 × 3 = ? ✨",
      "options": { "A": "999", "B": "1,009", "C": "1,099", "D": "1,199" },
      "correct_answer": "A"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "Divide: 15,000 ÷ 50 = ? 🔢",
      "options": { "A": "300", "B": "350", "C": "400", "D": "450" },
      "correct_answer": "A"
    },

    {
      "id": 21,
      "difficulty": "medium",
      "question": "Add: 234,567 + 123,456 = ? 🧠",
      "options": {
        "A": "357,023",
        "B": "357,923",
        "C": "358,023",
        "D": "359,023"
      },
      "correct_answer": "C"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "Subtract: 500,000 - 234,567 = ? 🎪",
      "options": {
        "A": "265,333",
        "B": "265,433",
        "C": "266,433",
        "D": "267,433"
      },
      "correct_answer": "B"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "Multiply: 1,234 × 56 = ? 🚀",
      "options": { "A": "68,904", "B": "69,004", "C": "69,104", "D": "69,204" },
      "correct_answer": "C"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "Divide: 345,678 ÷ 6 = ? ⭐",
      "options": { "A": "57,513", "B": "57,613", "C": "57,713", "D": "58,613" },
      "correct_answer": "B"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "Add: 456,789 + 543,210 = ? 🎯",
      "options": {
        "A": "999,999",
        "B": "1,000,009",
        "C": "1,000,099",
        "D": "1,000,999"
      },
      "correct_answer": "A"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "Subtract: 1,000,000 - 765,432 = ? ✨",
      "options": {
        "A": "234,568",
        "B": "234,668",
        "C": "235,568",
        "D": "245,568"
      },
      "correct_answer": "A"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "Multiply: 2,345 × 67 = ? 🔢",
      "options": {
        "A": "157,015",
        "B": "157,115",
        "C": "158,015",
        "D": "158,115"
      },
      "correct_answer": "B"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "Divide: 789,012 ÷ 12 = ? 🎈",
      "options": { "A": "65,751", "B": "65,851", "C": "65,951", "D": "66,051" },
      "correct_answer": "A"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "Add: 678,901 + 321,098 = ? 📚",
      "options": {
        "A": "999,999",
        "B": "1,000,099",
        "C": "1,000,999",
        "D": "1,001,999"
      },
      "correct_answer": "A"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "Subtract: 987,654 - 123,456 = ? 🏆",
      "options": {
        "A": "864,198",
        "B": "864,298",
        "C": "865,198",
        "D": "865,298"
      },
      "correct_answer": "A"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "Multiply: 3,456 × 78 = ? 🎮",
      "options": {
        "A": "269,568",
        "B": "269,668",
        "C": "270,568",
        "D": "270,668"
      },
      "correct_answer": "A"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "Divide: 456,789 ÷ 9 = ? 🌈",
      "options": {
        "A": "50,754.33",
        "B": "50,754",
        "C": "50,765",
        "D": "50,775"
      },
      "correct_answer": "A"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "Add: 789,012 + 210,987 = ? 🎪",
      "options": {
        "A": "999,999",
        "B": "1,000,099",
        "C": "1,000,999",
        "D": "1,001,999"
      },
      "correct_answer": "A"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "Subtract: 876,543 - 654,321 = ? 🚗",
      "options": {
        "A": "222,222",
        "B": "223,222",
        "C": "224,222",
        "D": "225,222"
      },
      "correct_answer": "A"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "Multiply: 4,567 × 89 = ? 🍎",
      "options": {
        "A": "406,463",
        "B": "406,563",
        "C": "407,463",
        "D": "407,563"
      },
      "correct_answer": "A"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "Divide: 567,890 ÷ 10 = ? ⏰",
      "options": { "A": "56,789", "B": "56,889", "C": "57,789", "D": "57,889" },
      "correct_answer": "A"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "Add: 901,234 + 98,765 = ? 🎁",
      "options": {
        "A": "999,999",
        "B": "1,000,099",
        "C": "1,000,999",
        "D": "1,001,999"
      },
      "correct_answer": "A"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "Subtract: 999,999 - 888,888 = ? 🎯",
      "options": {
        "A": "111,111",
        "B": "112,111",
        "C": "113,111",
        "D": "114,111"
      },
      "correct_answer": "A"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "Multiply: 5,678 × 90 = ? ✨",
      "options": {
        "A": "511,020",
        "B": "512,020",
        "C": "513,020",
        "D": "514,020"
      },
      "correct_answer": "A"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "Divide: 678,901 ÷ 11 = ? 🔢",
      "options": {
        "A": "61,718.27",
        "B": "61,718",
        "C": "61,728",
        "D": "61,738"
      },
      "correct_answer": "A"
    },

    {
      "id": 41,
      "difficulty": "hard",
      "question": "Add: 1,234,567 + 8,765,432 = ? 🧠",
      "options": {
        "A": "9,999,999",
        "B": "10,000,099",
        "C": "10,000,999",
        "D": "10,001,999"
      },
      "correct_answer": "A"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "Subtract: 10,000,000 - 3,456,789 = ? 🎪",
      "options": {
        "A": "6,543,211",
        "B": "6,543,311",
        "C": "6,544,211",
        "D": "6,644,211"
      },
      "correct_answer": "A"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "Multiply: 12,345 × 678 = ? 🚀",
      "options": {
        "A": "8,370,910",
        "B": "8,371,010",
        "C": "8,371,110",
        "D": "8,372,110"
      },
      "correct_answer": "A"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "Divide: 9,876,543 ÷ 123 = ? ⭐",
      "options": {
        "A": "80,297.1",
        "B": "80,297",
        "C": "80,307",
        "D": "80,317"
      },
      "correct_answer": "A"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "Add: 23,456,789 + 76,543,210 = ? 🎯",
      "options": {
        "A": "99,999,999",
        "B": "100,000,099",
        "C": "100,000,999",
        "D": "100,001,999"
      },
      "correct_answer": "A"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "Subtract: 50,000,000 - 23,456,789 = ? ✨",
      "options": {
        "A": "26,543,211",
        "B": "26,544,211",
        "C": "26,643,211",
        "D": "27,543,211"
      },
      "correct_answer": "A"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "Multiply: 45,678 × 901 = ? 🔢",
      "options": {
        "A": "41,155,878",
        "B": "41,156,878",
        "C": "41,165,878",
        "D": "41,166,878"
      },
      "correct_answer": "A"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "Divide: 12,345,678 ÷ 456 = ? 🎈",
      "options": {
        "A": "27,073.85",
        "B": "27,073",
        "C": "27,083",
        "D": "27,093"
      },
      "correct_answer": "A"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "Add: 345,678,901 + 654,321,098 = ? 📚",
      "options": {
        "A": "999,999,999",
        "B": "1,000,000,099",
        "C": "1,000,000,999",
        "D": "1,000,001,999"
      },
      "correct_answer": "A"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "Subtract: 1,000,000,000 - 876,543,210 = ? 🏆",
      "options": {
        "A": "123,456,790",
        "B": "123,456,890",
        "C": "123,457,790",
        "D": "124,456,790"
      },
      "correct_answer": "A"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "Multiply: 567,890 × 1,234 = ? 🎮",
      "options": {
        "A": "700,000,260",
        "B": "700,100,260",
        "C": "700,200,260",
        "D": "700,300,260"
      },
      "correct_answer": "A"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "Divide: 98,765,432 ÷ 789 = ? 🌈",
      "options": {
        "A": "125,177.5",
        "B": "125,177",
        "C": "125,187",
        "D": "125,197"
      },
      "correct_answer": "A"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "Add: 456,789,012 + 543,210,987 = ? 🎪",
      "options": {
        "A": "999,999,999",
        "B": "1,000,000,099",
        "C": "1,000,000,999",
        "D": "1,000,001,999"
      },
      "correct_answer": "A"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "Subtract: 987,654,321 - 123,456,789 = ? 🚗",
      "options": {
        "A": "864,197,532",
        "B": "864,198,532",
        "C": "865,197,532",
        "D": "865,198,532"
      },
      "correct_answer": "A"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "Multiply: 6,789,012 × 345 = ? 🍎",
      "options": {
        "A": "2,342,209,140",
        "B": "2,342,309,140",
        "C": "2,343,209,140",
        "D": "2,343,309,140"
      },
      "correct_answer": "A"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "Divide: 876,543,210 ÷ 9,876 = ? ⏰",
      "options": {
        "A": "88,777.5",
        "B": "88,777",
        "C": "88,787",
        "D": "88,797"
      },
      "correct_answer": "A"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "Add: 1,111,111,111 + 8,888,888,888 = ? 🎁",
      "options": {
        "A": "9,999,999,999",
        "B": "10,000,000,099",
        "C": "10,000,000,999",
        "D": "10,000,001,999"
      },
      "correct_answer": "A"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "Subtract: 9,999,999,999 - 4,567,890,123 = ? 🎯",
      "options": {
        "A": "5,432,109,876",
        "B": "5,432,110,876",
        "C": "5,433,109,876",
        "D": "5,443,109,876"
      },
      "correct_answer": "A"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "Multiply: 12,345,678 × 9,012 = ? ✨",
      "options": {
        "A": "111,234,567,836",
        "B": "111,234,568,836",
        "C": "111,235,567,836",
        "D": "111,235,568,836"
      },
      "correct_answer": "A"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "Divide: 1,234,567,890 ÷ 12,345 = ? 🔢",
      "options": {
        "A": "100,000.5",
        "B": "100,000",
        "C": "100,010",
        "D": "100,100"
      },
      "correct_answer": "A"
    }
  ]
}