{
  "title": "Expanding 5-digit Numbers - Grade 4 CBSE",
  "total_questions": 60,
  "questions": [

    {"id": 1, "difficulty": "easy", "question": "Expand 54,321 🧩", "options": {"A": "50,000 + 4,000 + 300 + 20 + 1", "B": "5,000 + 40,000 + 300 + 20 + 1", "C": "50,000 + 400 + 300 + 20 + 1", "D": "500 + 4,000 + 300 + 20 + 1"}, "correct_answer": "A"},

    {"id": 2, "difficulty": "easy", "question": "Expand 42,516 ⭐", "options": {"A": "40,000 + 2,000 + 500 + 10 + 6", "B": "4,000 + 20,000 + 50 + 1 + 6", "C": "40,000 + 200 + 50 + 10 + 6", "D": "40,000 + 2,000 + 50 + 16"}, "correct_answer": "A"},

    {"id": 3, "difficulty": "easy", "question": "Expand 36,208 😊", "options": {"A": "30,000 + 6,000 + 200 + 8", "B": "30,000 + 6,000 + 20 + 8", "C": "3,000 + 60,000 + 20 + 8", "D": "30,000 + 600 + 200 + 8"}, "correct_answer": "B"},

    {"id": 4, "difficulty": "easy", "question": "Expand 91,205 ✏️", "options": {"A": "90,000 + 1,000 + 200 + 5", "B": "90,000 + 10,000 + 20 + 5", "C": "91,000 + 200 + 5", "D": "90,000 + 1,200 + 5"}, "correct_answer": "A"},

    {"id": 5, "difficulty": "easy", "question": "Expand 63,470 🎈", "options": {"A": "60,000 + 3,000 + 400 + 70", "B": "60,000 + 3,000 + 40 + 70", "C": "6,000 + 30,000 + 400 + 70", "D": "60,000 + 300 + 400 + 70"}, "correct_answer": "A"},

    {"id": 6, "difficulty": "easy", "question": "Expand 25,804 🔢", "options": {"A": "20,000 + 5,000 + 800 + 4", "B": "2,000 + 50,000 + 800 + 4", "C": "20,000 + 5,000 + 80 + 4", "D": "20,000 + 500 + 800 + 4"}, "correct_answer": "A"},

    {"id": 7, "difficulty": "easy", "question": "Expand 40,509 ⭐", "options": {"A": "40,000 + 500 + 9", "B": "40,000 + 5,000 + 9", "C": "4,000 + 500 + 9", "D": "40,000 + 509"}, "correct_answer": "A"},

    {"id": 8, "difficulty": "easy", "question": "Expand 77,601 🌟", "options": {"A": "70,000 + 7,000 + 600 + 1", "B": "70,000 + 700 + 600 + 1", "C": "77,000 + 600 + 1", "D": "70,000 + 7,600 + 1"}, "correct_answer": "A"},

    {"id": 9, "difficulty": "easy", "question": "Expand 58,930 😊", "options": {"A": "50,000 + 8,000 + 900 + 30", "B": "5,000 + 80,000 + 900 + 30", "C": "50,000 + 800 + 900 + 30", "D": "50,000 + 8,000 + 93"}, "correct_answer": "A"},

    {"id": 10, "difficulty": "easy", "question": "Expand 12,745 🧮", "options": {"A": "10,000 + 2,000 + 700 + 40 + 5", "B": "1,000 + 20,000 + 700 + 40 + 5", "C": "10,000 + 27 + 45", "D": "10,000 + 2,700 + 45"}, "correct_answer": "A"},

    {"id": 11, "difficulty": "easy", "question": "Expand 86,301 ✨", "options": {"A": "80,000 + 6,000 + 300 + 1", "B": "86,000 + 300 + 1", "C": "80,000 + 600 + 300 + 1", "D": "8,600 + 300 + 1"}, "correct_answer": "A"},

    {"id": 12, "difficulty": "easy", "question": "Expand 64,120 🧩", "options": {"A": "60,000 + 4,000 + 100 + 20", "B": "60,000 + 410 + 20", "C": "64,000 + 120", "D": "6,000 + 40,000 + 100 + 20"}, "correct_answer": "A"},

    {"id": 13, "difficulty": "easy", "question": "Expand 33,507 🎀", "options": {"A": "30,000 + 3,000 + 500 + 7", "B": "3,000 + 30,000 + 50 + 7", "C": "30,000 + 3,000 + 50 + 7", "D": "33,000 + 507"}, "correct_answer": "A"},

    {"id": 14, "difficulty": "easy", "question": "Expand 51,490 😄", "options": {"A": "50,000 + 1,000 + 400 + 90", "B": "5,000 + 10,000 + 400 + 90", "C": "50,000 + 140 + 90", "D": "50,000 + 1,490"}, "correct_answer": "A"},

    {"id": 15, "difficulty": "easy", "question": "Expand 29,608 🧸", "options": {"A": "20,000 + 9,000 + 600 + 8", "B": "29,000 + 600 + 8", "C": "20,000 + 9,600 + 8", "D": "20,000 + 960 + 8"}, "correct_answer": "A"},

    {"id": 16, "difficulty": "easy", "question": "Expand 73,250 🌈", "options": {"A": "70,000 + 3,000 + 200 + 50", "B": "73,000 + 250", "C": "700 + 3,000 + 200 + 50", "D": "70,000 + 30 + 200 + 50"}, "correct_answer": "A"},

    {"id": 17, "difficulty": "easy", "question": "Expand 48,012 🟦", "options": {"A": "40,000 + 8,000 + 10 + 2", "B": "40,000 + 800 + 10 + 2", "C": "48,000 + 12", "D": "4,000 + 80,000 + 10 + 2"}, "correct_answer": "A"},

    {"id": 18, "difficulty": "easy", "question": "Expand 92,004 🔥", "options": {"A": "90,000 + 2,000 + 4", "B": "90,000 + 200 + 4", "C": "92,000 + 4", "D": "9,000 + 20,000 + 4"}, "correct_answer": "A"},

    {"id": 19, "difficulty": "easy", "question": "Expand 60,700 🧮", "options": {"A": "60,000 + 700", "B": "6,000 + 700", "C": "60,000 + 70", "D": "600 + 700"}, "correct_answer": "A"},

    {"id": 20, "difficulty": "easy", "question": "Expand 15,806 ⭐", "options": {"A": "10,000 + 5,000 + 800 + 6", "B": "1,000 + 50,000 + 800 + 6", "C": "10,000 + 580 + 6", "D": "15,000 + 806"}, "correct_answer": "A"},

  
    {"id": 21, "difficulty": "medium", "question": "Which is the expanded form of 84,213? ✨", "options": {"A": "80,000 + 4,000 + 200 + 13", "B": "80,000 + 4,000 + 200 + 10 + 3", "C": "84,000 + 200 + 13", "D": "8,000 + 40,000 + 200 + 13"}, "correct_answer": "B"},

    {"id": 22, "difficulty": "medium", "question": "Which shows 72,540 in expanded form? 🌟", "options": {"A": "70,000 + 2,000 + 500 + 40", "B": "72,000 + 500 + 40", "C": "7,000 + 25,000 + 40", "D": "70,000 + 200 + 50 + 40"}, "correct_answer": "A"},

    {"id": 23, "difficulty": "medium", "question": "Choose correct expansion: 56,709 😊", "options": {"A": "50,000 + 6,000 + 700 + 9", "B": "56,000 + 700 + 9", "C": "5,000 + 60,000 + 700 + 9", "D": "56,000 + 70 + 9"}, "correct_answer": "A"},

    {"id": 24, "difficulty": "medium", "question": "Expanded form of 91,804 🧩", "options": {"A": "90,000 + 1,000 + 800 + 4", "B": "90,000 + 18 + 4", "C": "91,000 + 804", "D": "9,000 + 10,000 + 800 + 4"}, "correct_answer": "A"},

    {"id": 25, "difficulty": "medium", "question": "Choose expansion: 63,120 ✏️", "options": {"A": "60,000 + 3,000 + 100 + 20", "B": "60,000 + 300 + 120", "C": "6,000 + 30,000 + 120", "D": "63,000 + 120"}, "correct_answer": "A"},

    {"id": 26, "difficulty": "medium", "question": "What is expanded form of 74,506? 🔥", "options": {"A": "70,000 + 4,000 + 500 + 6", "B": "74,000 + 506", "C": "7,000 + 4,000 + 50 + 6", "D": "70,000 + 450 + 6"}, "correct_answer": "A"},

    {"id": 27, "difficulty": "medium", "question": "Expanded form of 22,410 🎀", "options": {"A": "20,000 + 2,000 + 400 + 10", "B": "22,000 + 410", "C": "2,000 + 20,000 + 410", "D": "22,000 + 400 + 10"}, "correct_answer": "A"},

    {"id": 28, "difficulty": "medium", "question": "Pick correct: 38,709 🌈", "options": {"A": "30,000 + 8,000 + 700 + 9", "B": "38,000 + 709", "C": "3,000 + 80,000 + 700 + 9", "D": "38,000 + 70 + 9"}, "correct_answer": "A"},

    {"id": 29, "difficulty": "medium", "question": "Expanded form of 45,630 😊", "options": {"A": "40,000 + 5,000 + 600 + 30", "B": "45,000 + 630", "C": "4,000 + 5,000 + 630", "D": "40,000 + 560 + 30"}, "correct_answer": "A"},

    {"id": 30, "difficulty": "medium", "question": "Expanded form: 57,204 💡", "options": {"A": "50,000 + 7,000 + 200 + 4", "B": "57,000 + 204", "C": "5,700 + 200 + 4", "D": "50,000 + 700 + 204"}, "correct_answer": "A"},

    {"id": 31, "difficulty": "medium", "question": "Choose expansion of 66,701 🧩", "options": {"A": "60,000 + 6,000 + 700 + 1", "B": "66,000 + 701", "C": "6,000 + 60,000 + 70 + 1", "D": "66,700 + 1"}, "correct_answer": "A"},

    {"id": 32, "difficulty": "medium", "question": "Expanded form: 81,090 ⭐", "options": {"A": "80,000 + 1,000 + 90", "B": "81,000 + 90", "C": "8,000 + 100 + 90", "D": "8,000 + 10,000 + 90"}, "correct_answer": "A"},

    {"id": 33, "difficulty": "medium", "question": "Correct expansion of 93,208 🧮", "options": {"A": "90,000 + 3,000 + 200 + 8", "B": "93,000 + 208", "C": "9,000 + 30,000 + 208", "D": "90,000 + 320 + 8"}, "correct_answer": "A"},

    {"id": 34, "difficulty": "medium", "question": "Choose expansion: 12,906 ✨", "options": {"A": "10,000 + 2,000 + 900 + 6", "B": "12,000 + 906", "C": "1,200 + 900 + 6", "D": "10,000 + 2,900 + 6"}, "correct_answer": "A"},

    {"id": 35, "difficulty": "medium", "question": "Expanded form of 71,340 🎈", "options": {"A": "70,000 + 1,000 + 300 + 40", "B": "71,000 + 340", "C": "7,000 + 1,000 + 340", "D": "70,000 + 134 + 0"}, "correct_answer": "A"},

    {"id": 36, "difficulty": "medium", "question": "Correct expansion of 59,728 😊", "options": {"A": "50,000 + 9,000 + 700 + 20 + 8", "B": "59,000 + 728", "C": "5,000 + 90,000 + 20 + 8", "D": "50,000 + 972 + 8"}, "correct_answer": "A"},

    {"id": 37, "difficulty": "medium", "question": "Expanded form: 68,410 ⭐", "options": {"A": "60,000 + 8,000 + 400 + 10", "B": "68,000 + 410", "C": "6,000 + 8,000 + 410", "D": "60,000 + 840 + 10"}, "correct_answer": "A"},

    {"id": 38, "difficulty": "medium", "question": "Expand 24,508 🔢", "options": {"A": "20,000 + 4,000 + 500 + 8", "B": "2,000 + 40,000 + 508", "C": "24,000 + 508", "D": "20,000 + 450 + 8"}, "correct_answer": "A"},

    {"id": 39, "difficulty": "medium", "question": "Correct expanded form: 37,820 💚", "options": {"A": "30,000 + 7,000 + 800 + 20", "B": "37,000 + 820", "C": "3,000 + 7,000 + 820", "D": "30,000 + 780 + 20"}, "correct_answer": "A"},

    {"id": 40, "difficulty": "medium", "question": "Expanded form of 84,601 🟦", "options": {"A": "80,000 + 4,000 + 600 + 1", "B": "84,000 + 601", "C": "8,000 + 40,000 + 600 + 1", "D": "80,000 + 460 + 1"}, "correct_answer": "A"},


    {"id": 41, "difficulty": "hard", "question": "Expand 95,740 🧩", "options": {"A": "90,000 + 5,000 + 700 + 40", "B": "95,000 + 740", "C": "9,000 + 50,000 + 740", "D": "90,000 + 570 + 40"}, "correct_answer": "A"},

    {"id": 42, "difficulty": "hard", "question": "What is the expanded form of 63,908? ⭐", "options": {"A": "60,000 + 3,000 + 900 + 8", "B": "63,000 + 908", "C": "6,000 + 30,000 + 908", "D": "60,000 + 390 + 8"}, "correct_answer": "A"},

    {"id": 43, "difficulty": "hard", "question": "Expand 57,604 💡", "options": {"A": "50,000 + 7,000 + 600 + 4", "B": "57,000 + 604", "C": "5,000 + 70,000 + 604", "D": "50,000 + 760 + 4"}, "correct_answer": "A"},

    {"id": 44, "difficulty": "hard", "question": "Expanded form of 48,902 😊", "options": {"A": "40,000 + 8,000 + 900 + 2", "B": "48,000 + 902", "C": "4,000 + 80,000 + 902", "D": "40,000 + 890 + 2"}, "correct_answer": "A"},

    {"id": 45, "difficulty": "hard", "question": "Choose expanded form of 76,340 🌟", "options": {"A": "70,000 + 6,000 + 300 + 40", "B": "76,000 + 340", "C": "7,000 + 6,000 + 340", "D": "70,000 + 630 + 40"}, "correct_answer": "A"},

    {"id": 46, "difficulty": "hard", "question": "Expand 89,120 🎈", "options": {"A": "80,000 + 9,000 + 100 + 20", "B": "89,000 + 120", "C": "8,000 + 9,000 + 120", "D": "80,000 + 910 + 20"}, "correct_answer": "A"},

    {"id": 47, "difficulty": "hard", "question": "Find expanded form of 34,705 🧮", "options": {"A": "30,000 + 4,000 + 700 + 5", "B": "34,000 + 705", "C": "3,000 + 4,000 + 705", "D": "30,000 + 470 + 5"}, "correct_answer": "A"},

    {"id": 48, "difficulty": "hard", "question": "Expand 62,809 ✏️", "options": {"A": "60,000 + 2,000 + 800 + 9", "B": "62,000 + 809", "C": "6,000 + 20,000 + 800 + 9", "D": "60,000 + 280 + 9"}, "correct_answer": "A"},

    {"id": 49, "difficulty": "hard", "question": "Expanded form of 99,406 🧡", "options": {"A": "90,000 + 9,000 + 400 + 6", "B": "99,000 + 406", "C": "900 + 9,000 + 406", "D": "90,000 + 940 + 6"}, "correct_answer": "A"},

    {"id": 50, "difficulty": "hard", "question": "Expand 26,508 🌈", "options": {"A": "20,000 + 6,000 + 500 + 8", "B": "26,000 + 508", "C": "2,000 + 6,000 + 508", "D": "20,000 + 650 + 8"}, "correct_answer": "A"},

    {"id": 51, "difficulty": "hard", "question": "Choose expansion: 53,270 ⭐", "options": {"A": "50,000 + 3,000 + 200 + 70", "B": "53,000 + 270", "C": "5,000 + 3,000 + 270", "D": "50,000 + 327 + 0"}, "correct_answer": "A"},

    {"id": 52, "difficulty": "hard", "question": "Expand 41,903 🧩", "options": {"A": "40,000 + 1,000 + 900 + 3", "B": "41,000 + 903", "C": "4,000 + 10,000 + 903", "D": "40,000 + 190 + 3"}, "correct_answer": "A"},

    {"id": 53, "difficulty": "hard", "question": "Expanded form of 68,740 💎", "options": {"A": "60,000 + 8,000 + 700 + 40", "B": "68,000 + 740", "C": "6,000 + 80,000 + 740", "D": "60,000 + 874 + 0"}, "correct_answer": "A"},

    {"id": 54, "difficulty": "hard", "question": "Expand 73,608 🎀", "options": {"A": "70,000 + 3,000 + 600 + 8", "B": "73,000 + 608", "C": "7,000 + 30,000 + 608", "D": "70,000 + 360 + 8"}, "correct_answer": "A"},

    {"id": 55, "difficulty": "hard", "question": "Expand 58,097 🌟", "options": {"A": "50,000 + 8,000 + 90 + 7", "B": "58,000 + 97", "C": "5,000 + 80,000 + 97", "D": "50,000 + 809 + 7"}, "correct_answer": "A"},

    {"id": 56, "difficulty": "hard", "question": "Expand 19,804 ✏️", "options": {"A": "10,000 + 9,000 + 800 + 4", "B": "19,000 + 804", "C": "1,000 + 9,000 + 804", "D": "10,000 + 980 + 4"}, "correct_answer": "A"},

    {"id": 57, "difficulty": "hard", "question": "Expand 87,620 🌈", "options": {"A": "80,000 + 7,000 + 600 + 20", "B": "87,000 + 620", "C": "8,000 + 70,000 + 620", "D": "80,000 + 762 + 0"}, "correct_answer": "A"},

    {"id": 58, "difficulty": "hard", "question": "Correct expansion of 45,903 🧮", "options": {"A": "40,000 + 5,000 + 900 + 3", "B": "45,000 + 903", "C": "4,500 + 903", "D": "40,000 + 590 + 3"}, "correct_answer": "A"},

    {"id": 59, "difficulty": "hard", "question": "Expand 92,560 ✨", "options": {"A": "90,000 + 2,000 + 500 + 60", "B": "92,000 + 560", "C": "9,000 + 20,000 + 560", "D": "90,000 + 256 + 0"}, "correct_answer": "A"},

    {"id": 60, "difficulty": "hard", "question": "Expand 36,401 🧡", "options": {"A": "30,000 + 6,000 + 400 + 1", "B": "36,000 + 401", "C": "3,000 + 6,000 + 401", "D": "30,000 + 640 + 1"}, "correct_answer": "A"}
  ]
}