{
  "title": "Numbers up to 10000 - Rounding Off Numbers",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "Easy",
      "question": "Round 12 to the nearest ten.",
      "options": { "A": "10", "B": "12", "C": "20", "D": "15" },
      "correct_answer": "A"
    },
    {
      "id": 2,
      "difficulty": "Easy",
      "question": "Round 18 to the nearest ten.",
      "options": { "A": "10", "B": "20", "C": "18", "D": "15" },
      "correct_answer": "B"
    },
    {
      "id": 3,
      "difficulty": "Easy",
      "question": "Round 33 to the nearest ten.",
      "options": { "A": "30", "B": "33", "C": "40", "D": "35" },
      "correct_answer": "A"
    },
    {
      "id": 4,
      "difficulty": "Easy",
      "question": "Round 47 to the nearest ten.",
      "options": { "A": "40", "B": "47", "C": "50", "D": "45" },
      "correct_answer": "C"
    },
    {
      "id": 5,
      "difficulty": "Easy",
      "question": "Round 55 to the nearest ten.",
      "options": { "A": "50", "B": "60", "C": "55", "D": "40" },
      "correct_answer": "B"
    },
    {
      "id": 6,
      "difficulty": "Easy",
      "question": "Round 62 to the nearest ten.",
      "options": { "A": "60", "B": "62", "C": "70", "D": "50" },
      "correct_answer": "A"
    },
    {
      "id": 7,
      "difficulty": "Easy",
      "question": "Round 79 to the nearest ten.",
      "options": { "A": "70", "B": "79", "C": "80", "D": "75" },
      "correct_answer": "C"
    },
    {
      "id": 8,
      "difficulty": "Easy",
      "question": "Round 84 to the nearest ten.",
      "options": { "A": "80", "B": "84", "C": "90", "D": "85" },
      "correct_answer": "A"
    },
    {
      "id": 9,
      "difficulty": "Easy",
      "question": "Round 98 to the nearest ten.",
      "options": { "A": "90", "B": "98", "C": "100", "D": "95" },
      "correct_answer": "C"
    },
    {
      "id": 10,
      "difficulty": "Easy",
      "question": "Round 105 to the nearest ten.",
      "options": { "A": "100", "B": "110", "C": "105", "D": "120" },
      "correct_answer": "B"
    },
    {
      "id": 11,
      "difficulty": "Easy",
      "question": "Round 121 to the nearest ten.",
      "options": { "A": "120", "B": "110", "C": "130", "D": "100" },
      "correct_answer": "A"
    },
    {
      "id": 12,
      "difficulty": "Easy",
      "question": "Round 134 to the nearest ten.",
      "options": { "A": "130", "B": "140", "C": "134", "D": "120" },
      "correct_answer": "A"
    },
    {
      "id": 13,
      "difficulty": "Easy",
      "question": "Round 149 to the nearest ten.",
      "options": { "A": "140", "B": "150", "C": "149", "D": "130" },
      "correct_answer": "B"
    },
    {
      "id": 14,
      "difficulty": "Easy",
      "question": "Round 163 to the nearest ten.",
      "options": { "A": "160", "B": "170", "C": "150", "D": "165" },
      "correct_answer": "A"
    },
    {
      "id": 15,
      "difficulty": "Easy",
      "question": "Round 175 to the nearest ten.",
      "options": { "A": "170", "B": "180", "C": "175", "D": "160" },
      "correct_answer": "B"
    },
    {
      "id": 16,
      "difficulty": "Easy",
      "question": "Round 188 to the nearest ten.",
      "options": { "A": "180", "B": "190", "C": "188", "D": "200" },
      "correct_answer": "B"
    },
    {
      "id": 17,
      "difficulty": "Easy",
      "question": "Round 204 to the nearest ten.",
      "options": { "A": "200", "B": "210", "C": "204", "D": "220" },
      "correct_answer": "A"
    },
    {
      "id": 18,
      "difficulty": "Easy",
      "question": "Round 219 to the nearest ten.",
      "options": { "A": "210", "B": "220", "C": "200", "D": "230" },
      "correct_answer": "B"
    },
    {
      "id": 19,
      "difficulty": "Easy",
      "question": "Round 242 to the nearest ten.",
      "options": { "A": "240", "B": "250", "C": "242", "D": "230" },
      "correct_answer": "A"
    },
    {
      "id": 20,
      "difficulty": "Easy",
      "question": "Round 259 to the nearest ten.",
      "options": { "A": "250", "B": "260", "C": "259", "D": "270" },
      "correct_answer": "B"
    },

    {
      "id": 21,
      "difficulty": "Medium",
      "question": "Round 326 to the nearest ten.",
      "options": { "A": "320", "B": "330", "C": "300", "D": "350" },
      "correct_answer": "B"
    },
    {
      "id": 22,
      "difficulty": "Medium",
      "question": "Round 341 to the nearest ten.",
      "options": { "A": "340", "B": "350", "C": "330", "D": "300" },
      "correct_answer": "A"
    },
    {
      "id": 23,
      "difficulty": "Medium",
      "question": "Round 367 to the nearest ten.",
      "options": { "A": "360", "B": "370", "C": "380", "D": "350" },
      "correct_answer": "B"
    },
    {
      "id": 24,
      "difficulty": "Medium",
      "question": "Round 382 to the nearest ten.",
      "options": { "A": "380", "B": "390", "C": "400", "D": "370" },
      "correct_answer": "A"
    },
    {
      "id": 25,
      "difficulty": "Medium",
      "question": "Round 409 to the nearest ten.",
      "options": { "A": "400", "B": "410", "C": "420", "D": "390" },
      "correct_answer": "B"
    },
    {
      "id": 26,
      "difficulty": "Medium",
      "question": "Round 451 to the nearest ten.",
      "options": { "A": "450", "B": "460", "C": "440", "D": "400" },
      "correct_answer": "A"
    },
    {
      "id": 27,
      "difficulty": "Medium",
      "question": "Round 468 to the nearest ten.",
      "options": { "A": "460", "B": "470", "C": "480", "D": "450" },
      "correct_answer": "B"
    },
    {
      "id": 28,
      "difficulty": "Medium",
      "question": "Round 492 to the nearest ten.",
      "options": { "A": "490", "B": "500", "C": "480", "D": "510" },
      "correct_answer": "A"
    },
    {
      "id": 29,
      "difficulty": "Medium",
      "question": "Round 517 to the nearest ten.",
      "options": { "A": "510", "B": "520", "C": "530", "D": "500" },
      "correct_answer": "B"
    },
    {
      "id": 30,
      "difficulty": "Medium",
      "question": "Round 548 to the nearest ten.",
      "options": { "A": "540", "B": "550", "C": "560", "D": "530" },
      "correct_answer": "B"
    },
    {
      "id": 31,
      "difficulty": "Medium",
      "question": "Round 563 to the nearest ten.",
      "options": { "A": "560", "B": "570", "C": "550", "D": "580" },
      "correct_answer": "A"
    },
    {
      "id": 32,
      "difficulty": "Medium",
      "question": "Round 589 to the nearest ten.",
      "options": {
        "A": "580",
        "B": "590",
        "C": "600",
        "D": "570"
      },
      "correct_answer": "B"
    },
    {
      "id": 33,
      "difficulty": "Medium",
      "question": "Round 604 to the nearest ten.",
      "options": { "A": "600", "B": "610", "C": "620", "D": "590" },
      "correct_answer": "A"
    },
    {
      "id": 34,
      "difficulty": "Medium",
      "question": "Round 629 to the nearest ten.",
      "options": { "A": "620", "B": "630", "C": "640", "D": "600" },
      "correct_answer": "B"
    },
    {
      "id": 35,
      "difficulty": "Medium",
      "question": "Round 672 to the nearest ten.",
      "options": { "A": "670", "B": "680", "C": "690", "D": "660" },
      "correct_answer": "A"
    },
    {
      "id": 36,
      "difficulty": "Medium",
      "question": "Round 687 to the nearest ten.",
      "options": { "A": "680", "B": "690", "C": "700", "D": "675" },
      "correct_answer": "B"
    },
    {
      "id": 37,
      "difficulty": "Medium",
      "question": "Round 708 to the nearest ten.",
      "options": { "A": "700", "B": "710", "C": "720", "D": "690" },
      "correct_answer": "B"
    },
    {
      "id": 38,
      "difficulty": "Medium",
      "question": "Round 744 to the nearest ten.",
      "options": { "A": "740", "B": "750", "C": "760", "D": "730" },
      "correct_answer": "A"
    },
    {
      "id": 39,
      "difficulty": "Medium",
      "question": "Round 778 to the nearest ten.",
      "options": { "A": "770", "B": "780", "C": "790", "D": "760" },
      "correct_answer": "B"
    },
    {
      "id": 40,
      "difficulty": "Medium",
      "question": "Round 799 to the nearest ten.",
      "options": { "A": "790", "B": "800", "C": "810", "D": "780" },
      "correct_answer": "B"
    },

    {
      "id": 41,
      "difficulty": "Hard",
      "question": "Round 821 to the nearest ten.",
      "options": { "A": "820", "B": "830", "C": "810", "D": "800" },
      "correct_answer": "A"
    },
    {
      "id": 42,
      "difficulty": "Hard",
      "question": "Round 845 to the nearest ten.",
      "options": { "A": "840", "B": "850", "C": "860", "D": "830" },
      "correct_answer": "B"
    },
    {
      "id": 43,
      "difficulty": "Hard",
      "question": "Round 864 to the nearest ten.",
      "options": { "A": "860", "B": "870", "C": "880", "D": "850" },
      "correct_answer": "A"
    },
    {
      "id": 44,
      "difficulty": "Hard",
      "question": "Round 892 to the nearest ten.",
      "options": { "A": "890", "B": "900", "C": "880", "D": "910" },
      "correct_answer": "A"
    },
    {
      "id": 45,
      "difficulty": "Hard",
      "question": "Round 915 to the nearest ten.",
      "options": { "A": "910", "B": "920", "C": "900", "D": "930" },
      "correct_answer": "B"
    },
    {
      "id": 46,
      "difficulty": "Hard",
      "question": "Round 938 to the nearest ten.",
      "options": { "A": "930", "B": "940", "C": "950", "D": "920" },
      "correct_answer": "B"
    },
    {
      "id": 47,
      "difficulty": "Hard",
      "question": "Round 967 to the nearest ten.",
      "options": { "A": "960", "B": "970", "C": "980", "D": "950" },
      "correct_answer": "B"
    },
    {
      "id": 48,
      "difficulty": "Hard",
      "question": "Round 984 to the nearest ten.",
      "options": { "A": "980", "B": "990", "C": "1000", "D": "970" },
      "correct_answer": "A"
    },
    {
      "id": 49,
      "difficulty": "Hard",
      "question": "Round 1007 to the nearest ten.",
      "options": {
        "A": "1000",
        "B": "1010",
        "C": "1020",
        "D": "999"
      },
      "correct_answer": "B"
    },
    {
      "id": 50,
      "difficulty": "Hard",
      "question": "Round 1038 to the nearest ten.",
      "options": { "A": "1030", "B": "1040", "C": "1050", "D": "1020" },
      "correct_answer": "B"
    },
    {
      "id": 51,
      "difficulty": "Hard",
      "question": "Round 1076 to the nearest ten.",
      "options": { "A": "1080", "B": "1070", "C": "1060", "D": "1090" },
      "correct_answer": "A"
    },
    {
      "id": 52,
      "difficulty": "Hard",
      "question": "Round 1129 to the nearest ten.",
      "options": { "A": "1130", "B": "1120", "C": "1110", "D": "1100" },
      "correct_answer": "A"
    },
    {
      "id": 53,
      "difficulty": "Hard",
      "question": "Round 1184 to the nearest ten.",
      "options": { "A": "1180", "B": "1190", "C": "1200", "D": "1170" },
      "correct_answer": "A"
    },
    {
      "id": 54,
      "difficulty": "Hard",
      "question": "Round 1249 to the nearest ten.",
      "options": { "A": "1240", "B": "1250", "C": "1260", "D": "1230" },
      "correct_answer": "B"
    },
    {
      "id": 55,
      "difficulty": "Hard",
      "question": "Round 1303 to the nearest ten.",
      "options": { "A": "1300", "B": "1310", "C": "1320", "D": "1290" },
      "correct_answer": "A"
    },
    {
      "id": 56,
      "difficulty": "Hard",
      "question": "Round 1367 to the nearest ten.",
      "options": { "A": "1370", "B": "1360", "C": "1380", "D": "1350" },
      "correct_answer": "A"
    },
    {
      "id": 57,
      "difficulty": "Hard",
      "question": "Round 1426 to the nearest ten.",
      "options": { "A": "1430", "B": "1420", "C": "1440", "D": "1400" },
      "correct_answer": "A"
    },
    {
      "id": 58,
      "difficulty": "Hard",
      "question": "Round 1578 to the nearest ten.",
      "options": { "A": "1580", "B": "1570", "C": "1590", "D": "1600" },
      "correct_answer": "A"
    },
    {
      "id": 59,
      "difficulty": "Hard",
      "question": "Round 1689 to the nearest ten.",
      "options": { "A": "1690", "B": "1680", "C": "1670", "D": "1700" },
      "correct_answer": "A"
    },
    {
      "id": 60,
      "difficulty": "Hard",
      "question": "Round 1997 to the nearest ten.",
      "options": { "A": "2000", "B": "1990", "C": "1980", "D": "2010" },
      "correct_answer": "A"
    }
  ]
}