{
  "title": "Multiplication - 3-digit × 1-digit",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "Easy",
      "question": "101 × 2 = ?",
      "options": { "A": "202", "B": "204", "C": "206", "D": "210" },
      "correct_answer": "A"
    },
    {
      "id": 2,
      "difficulty": "Easy",
      "question": "102 × 3 = ?",
      "options": { "A": "300", "B": "306", "C": "312", "D": "318" },
      "correct_answer": "B"
    },
    {
      "id": 3,
      "difficulty": "Easy",
      "question": "110 × 2 = ?",
      "options": { "A": "210", "B": "220", "C": "230", "D": "240" },
      "correct_answer": "B"
    },
    {
      "id": 4,
      "difficulty": "Easy",
      "question": "120 × 3 = ?",
      "options": { "A": "350", "B": "360", "C": "370", "D": "380" },
      "correct_answer": "B"
    },
    {
      "id": 5,
      "difficulty": "Easy",
      "question": "130 × 2 = ?",
      "options": { "A": "250", "B": "255", "C": "260", "D": "265" },
      "correct_answer": "C"
    },
    {
      "id": 6,
      "difficulty": "Easy",
      "question": "140 × 2 = ?",
      "options": { "A": "260", "B": "270", "C": "280", "D": "290" },
      "correct_answer": "C"
    },
    {
      "id": 7,
      "difficulty": "Easy",
      "question": "150 × 3 = ?",
      "options": { "A": "350", "B": "400", "C": "420", "D": "450" },
      "correct_answer": "D"
    },
    {
      "id": 8,
      "difficulty": "Easy",
      "question": "160 × 2 = ?",
      "options": { "A": "320", "B": "330", "C": "340", "D": "350" },
      "correct_answer": "A"
    },
    {
      "id": 9,
      "difficulty": "Easy",
      "question": "170 × 2 = ?",
      "options": {
        "A": "330",
        "B": "335",
        "C": "340",
        "D": "345"
      },
      "correct_answer": "C"
    },
    {
      "id": 10,
      "difficulty": "Easy",
      "question": "180 × 2 = ?",
      "options": { "A": "350", "B": "360", "C": "370", "D": "380" },
      "correct_answer": "B"
    },
    {
      "id": 11,
      "difficulty": "Easy",
      "question": "200 × 3 = ?",
      "options": { "A": "500", "B": "550", "C": "600", "D": "650" },
      "correct_answer": "C"
    },
    {
      "id": 12,
      "difficulty": "Easy",
      "question": "210 × 2 = ?",
      "options": { "A": "400", "B": "410", "C": "420", "D": "430" },
      "correct_answer": "C"
    },
    {
      "id": 13,
      "difficulty": "Easy",
      "question": "220 × 2 = ?",
      "options": { "A": "430", "B": "440", "C": "450", "D": "460" },
      "correct_answer": "B"
    },
    {
      "id": 14,
      "difficulty": "Easy",
      "question": "230 × 2 = ?",
      "options": { "A": "440", "B": "450", "C": "460", "D": "470" },
      "correct_answer": "C"
    },
    {
      "id": 15,
      "difficulty": "Easy",
      "question": "240 × 3 = ?",
      "options": { "A": "700", "B": "710", "C": "720", "D": "750" },
      "correct_answer": "C"
    },
    {
      "id": 16,
      "difficulty": "Easy",
      "question": "250 × 2 = ?",
      "options": { "A": "490", "B": "500", "C": "510", "D": "520" },
      "correct_answer": "B"
    },
    {
      "id": 17,
      "difficulty": "Easy",
      "question": "260 × 2 = ?",
      "options": { "A": "500", "B": "510", "C": "520", "D": "530" },
      "correct_answer": "C"
    },
    {
      "id": 18,
      "difficulty": "Easy",
      "question": "270 × 2 = ?",
      "options": { "A": "520", "B": "530", "C": "540", "D": "560" },
      "correct_answer": "C"
    },
    {
      "id": 19,
      "difficulty": "Easy",
      "question": "280 × 2 = ?",
      "options": { "A": "540", "B": "550", "C": "560", "D": "580" },
      "correct_answer": "C"
    },
    {
      "id": 20,
      "difficulty": "Easy",
      "question": "300 × 3 = ?",
      "options": { "A": "800", "B": "850", "C": "900", "D": "950" },
      "correct_answer": "C"
    },

    {
      "id": 21,
      "difficulty": "Medium",
      "question": "312 × 2 = ?",
      "options": { "A": "612", "B": "620", "C": "624", "D": "630" },
      "correct_answer": "C"
    },
    {
      "id": 22,
      "difficulty": "Medium",
      "question": "325 × 3 = ?",
      "options": { "A": "950", "B": "975", "C": "990", "D": "1000" },
      "correct_answer": "B"
    },
    {
      "id": 23,
      "difficulty": "Medium",
      "question": "345 × 2 = ?",
      "options": {
        "A": "670",
        "B": "680",
        "C": "690",
        "D": "700"
      },
      "correct_answer": "C"
    },
    {
      "id": 24,
      "difficulty": "Medium",
      "question": "356 × 3 = ?",
      "options": { "A": "1050", "B": "1068", "C": "1075", "D": "1090" },
      "correct_answer": "B"
    },
    {
      "id": 25,
      "difficulty": "Medium",
      "question": "367 × 2 = ?",
      "options": { "A": "724", "B": "730", "C": "734", "D": "740" },
      "correct_answer": "C"
    },
    {
      "id": 26,
      "difficulty": "Medium",
      "question": "378 × 3 = ?",
      "options": { "A": "1120", "B": "1134", "C": "1140", "D": "1150" },
      "correct_answer": "B"
    },
    {
      "id": 27,
      "difficulty": "Medium",
      "question": "389 × 2 = ?",
      "options": {
        "A": "768",
        "B": "772",
        "C": "776",
        "D": "778"
      },
      "correct_answer": "D"
    },
    {
      "id": 28,
      "difficulty": "Medium",
      "question": "400 × 3 = ?",
      "options": { "A": "1100", "B": "1150", "C": "1200", "D": "1250" },
      "correct_answer": "C"
    },
    {
      "id": 29,
      "difficulty": "Medium",
      "question": "412 × 2 = ?",
      "options": {
        "A": "804",
        "B": "812",
        "C": "824",
        "D": "840"
      },
      "correct_answer": "C"
    },
    {
      "id": 30,
      "difficulty": "Medium",
      "question": "425 × 3 = ?",
      "options": { "A": "1250", "B": "1275", "C": "1300", "D": "1325" },
      "correct_answer": "B"
    },
    {
      "id": 31,
      "difficulty": "Medium",
      "question": "436 × 2 = ?",
      "options": { "A": "860", "B": "870", "C": "872", "D": "880" },
      "correct_answer": "C"
    },
    {
      "id": 32,
      "difficulty": "Medium",
      "question": "448 × 3 = ?",
      "options": { "A": "1300", "B": "1325", "C": "1344", "D": "1350" },
      "correct_answer": "C"
    },
    {
      "id": 33,
      "difficulty": "Medium",
      "question": "450 × 2 = ?",
      "options": { "A": "880", "B": "900", "C": "920", "D": "940" },
      "correct_answer": "B"
    },
    {
      "id": 34,
      "difficulty": "Medium",
      "question": "462 × 3 = ?",
      "options": { "A": "1320", "B": "1350", "C": "1380", "D": "1400" },
      "correct_answer": "C"
    },
    {
      "id": 35,
      "difficulty": "Medium",
      "question": "474 × 2 = ?",
      "options": { "A": "940", "B": "948", "C": "954", "D": "960" },
      "correct_answer": "B"
    },
    {
      "id": 36,
      "difficulty": "Medium",
      "question": "486 × 3 = ?",
      "options": { "A": "1450", "B": "1460", "C": "1458", "D": "1490" },
      "correct_answer": "C"
    },
    {
      "id": 37,
      "difficulty": "Medium",
      "question": "498 × 2 = ?",
      "options": { "A": "980", "B": "996", "C": "1000", "D": "1020" },
      "correct_answer": "B"
    },
    {
      "id": 38,
      "difficulty": "Medium",
      "question": "510 × 3 = ?",
      "options": { "A": "1500", "B": "1530", "C": "1560", "D": "1590" },
      "correct_answer": "B"
    },
    {
      "id": 39,
      "difficulty": "Medium",
      "question": "524 × 2 = ?",
      "options": { "A": "1024", "B": "1040", "C": "1048", "D": "1050" },
      "correct_answer": "C"
    },
    {
      "id": 40,
      "difficulty": "Medium",
      "question": "536 × 3 = ?",
      "options": { "A": "1608", "B": "1610", "C": "1618", "D": "1625" },
      "correct_answer": "A"
    },

    {
      "id": 41,
      "difficulty": "Hard",
      "question": "612 × 4 = ?",
      "options": { "A": "2400", "B": "2448", "C": "2460", "D": "2480" },
      "correct_answer": "B"
    },
    {
      "id": 42,
      "difficulty": "Hard",
      "question": "624 × 5 = ?",
      "options": { "A": "3000", "B": "3100", "C": "3120", "D": "3150" },
      "correct_answer": "C"
    },
    {
      "id": 43,
      "difficulty": "Hard",
      "question": "635 × 4 = ?",
      "options": {
        "A": "2520",
        "B": "2540",
        "C": "2560",
        "D": "2580"
      },
      "correct_answer": "B"
    },
    {
      "id": 44,
      "difficulty": "Hard",
      "question": "648 × 5 = ?",
      "options": { "A": "3100", "B": "3200", "C": "3240", "D": "3280" },
      "correct_answer": "C"
    },
    {
      "id": 45,
      "difficulty": "Hard",
      "question": "672 × 4 = ?",
      "options": { "A": "2600", "B": "2650", "C": "2688", "D": "2700" },
      "correct_answer": "C"
    },
    {
      "id": 46,
      "difficulty": "Hard",
      "question": "684 × 5 = ?",
      "options": { "A": "3300", "B": "3320", "C": "3420", "D": "3450" },
      "correct_answer": "C"
    },
    {
      "id": 47,
      "difficulty": "Hard",
      "question": "698 × 4 = ?",
      "options": { "A": "2700", "B": "2792", "C": "2810", "D": "2850" },
      "correct_answer": "B"
    },
    {
      "id": 48,
      "difficulty": "Hard",
      "question": "710 × 5 = ?",
      "options": { "A": "3400", "B": "3450", "C": "3500", "D": "3550" },
      "correct_answer": "C"
    },
    {
      "id": 49,
      "difficulty": "Hard",
      "question": "725 × 4 = ?",
      "options": {
        "A": "2800",
        "B": "2850",
        "C": "2900",
        "D": "2950"
      },
      "correct_answer": "C"
    },
    {
      "id": 50,
      "difficulty": "Hard",
      "question": "736 × 5 = ?",
      "options": { "A": "3500", "B": "3600", "C": "3680", "D": "3700" },
      "correct_answer": "C"
    },
    {
      "id": 51,
      "difficulty": "Hard",
      "question": "748 × 4 = ?",
      "options": { "A": "2970", "B": "2992", "C": "3100", "D": "3120" },
      "correct_answer": "B"
    },
    {
      "id": 52,
      "difficulty": "Hard",
      "question": "760 × 5 = ?",
      "options": { "A": "3600", "B": "3700", "C": "3800", "D": "3900" },
      "correct_answer": "C"
    },
    {
      "id": 53,
      "difficulty": "Hard",
      "question": "782 × 4 = ?",
      "options": { "A": "3100", "B": "3128", "C": "3150", "D": "3180" },
      "correct_answer": "B"
    },
    {
      "id": 54,
      "difficulty": "Hard",
      "question": "794 × 5 = ?",
      "options": {
        "A": "3900",
        "B": "3950",
        "C": "3970",
        "D": "4000"
      },
      "correct_answer": "C"
    },
    {
      "id": 55,
      "difficulty": "Hard",
      "question": "812 × 4 = ?",
      "options": { "A": "3200", "B": "3248", "C": "3300", "D": "3400" },
      "correct_answer": "B"
    },
    {
      "id": 56,
      "difficulty": "Hard",
      "question": "825 × 5 = ?",
      "options": { "A": "3900", "B": "4000", "C": "4100", "D": "4125" },
      "correct_answer": "D"
    },
    {
      "id": 57,
      "difficulty": "Hard",
      "question": "846 × 4 = ?",
      "options": { "A": "3300", "B": "3340", "C": "3384", "D": "3400" },
      "correct_answer": "C"
    },
    {
      "id": 58,
      "difficulty": "Hard",
      "question": "858 × 5 = ?",
      "options": { "A": "4100", "B": "4200", "C": "4290", "D": "4350" },
      "correct_answer": "C"
    },
    {
      "id": 59,
      "difficulty": "Hard",
      "question": "870 × 4 = ?",
      "options": { "A": "3400", "B": "3460", "C": "3480", "D": "3500" },
      "correct_answer": "C"
    },
    {
      "id": 60,
      "difficulty": "Hard",
      "question": "892 × 5 = ?",
      "options": { "A": "4400", "B": "4460", "C": "4500", "D": "4600" },
      "correct_answer": "B"
    }
  ]
}