{
  "title": "Area formulas basic introduction (Perimeter and Area) - Grade 4 CBSE",
  "total_questions": 100,
  "questions": [
    {"id": 1, "difficulty": "easy", "question": "What is the formula for area of a rectangle?", "options": {"A": "length + width", "B": "length × width", "C": "2 × (length + width)", "D": "side × side"}, "correct_answer": "B"},
    {"id": 2, "difficulty": "easy", "question": "What is the formula for area of a square?", "options": {"A": "side + side", "B": "4 × side", "C": "side × side", "D": "2 × side"}, "correct_answer": "C"},
    {"id": 3, "difficulty": "easy", "question": "If a rectangle has length 5 cm and width 3 cm, what is its area?", "options": {"A": "8 cm²", "B": "15 cm²", "C": "16 cm²", "D": "20 cm²"}, "correct_answer": "B"},
    {"id": 4, "difficulty": "easy", "question": "If a square has side 4 cm, what is its area?", "options": {"A": "8 cm²", "B": "12 cm²", "C": "16 cm²", "D": "20 cm²"}, "correct_answer": "C"},
    {"id": 5, "difficulty": "easy", "question": "What is the area of a rectangle with length 6 cm and width 2 cm?", "options": {"A": "8 cm²", "B": "10 cm²", "C": "12 cm²", "D": "14 cm²"}, "correct_answer": "C"},
    {"id": 6, "difficulty": "easy", "question": "What is the area of a square with side 7 cm?", "options": {"A": "14 cm²", "B": "28 cm²", "C": "42 cm²", "D": "49 cm²"}, "correct_answer": "D"},
    {"id": 7, "difficulty": "easy", "question": "If a rectangle has area 24 cm² and length 6 cm, what is its width?", "options": {"A": "3 cm", "B": "4 cm", "C": "5 cm", "D": "6 cm"}, "correct_answer": "B"},
    {"id": 8, "difficulty": "easy", "question": "If a square has area 36 cm², what is its side length?", "options": {"A": "4 cm", "B": "5 cm", "C": "6 cm", "D": "7 cm"}, "correct_answer": "C"},
    {"id": 9, "difficulty": "easy", "question": "What is the area of a rectangle with length 8 cm and width 5 cm?", "options": {"A": "35 cm²", "B": "38 cm²", "C": "40 cm²", "D": "42 cm²"}, "correct_answer": "C"},
    {"id": 10, "difficulty": "easy", "question": "What is the area of a square with side 9 cm?", "options": {"A": "72 cm²", "B": "78 cm²", "C": "81 cm²", "D": "85 cm²"}, "correct_answer": "C"},
    {"id": 11, "difficulty": "easy", "question": "If a rectangle has area 30 cm² and width 5 cm, what is its length?", "options": {"A": "4 cm", "B": "5 cm", "C": "6 cm", "D": "7 cm"}, "correct_answer": "C"},
    {"id": 12, "difficulty": "easy", "question": "If a square has area 64 cm², what is its side length?", "options": {"A": "7 cm", "B": "8 cm", "C": "9 cm", "D": "10 cm"}, "correct_answer": "B"},
    {"id": 13, "difficulty": "easy", "question": "What is the area of a rectangle with length 10 cm and width 7 cm?", "options": {"A": "60 cm²", "B": "65 cm²", "C": "70 cm²", "D": "75 cm²"}, "correct_answer": "C"},
    {"id": 14, "difficulty": "easy", "question": "What is the area of a square with side 11 cm?", "options": {"A": "110 cm²", "B": "115 cm²", "C": "120 cm²", "D": "121 cm²"}, "correct_answer": "D"},
    {"id": 15, "difficulty": "easy", "question": "If a rectangle has area 48 cm² and length 8 cm, what is its width?", "options": {"A": "5 cm", "B": "6 cm", "C": "7 cm", "D": "8 cm"}, "correct_answer": "B"},
    {"id": 16, "difficulty": "easy", "question": "If a square has area 100 cm², what is its side length?", "options": {"A": "8 cm", "B": "9 cm", "C": "10 cm", "D": "11 cm"}, "correct_answer": "C"},
    {"id": 17, "difficulty": "easy", "question": "What is the area of a rectangle with length 12 cm and width 9 cm?", "options": {"A": "100 cm²", "B": "104 cm²", "C": "108 cm²", "D": "112 cm²"}, "correct_answer": "C"},
    {"id": 18, "difficulty": "easy", "question": "What is the area of a square with side 13 cm?", "options": {"A": "156 cm²", "B": "162 cm²", "C": "168 cm²", "D": "169 cm²"}, "correct_answer": "D"},
    {"id": 19, "difficulty": "easy", "question": "If a rectangle has area 56 cm² and width 7 cm, what is its length?", "options": {"A": "6 cm", "B": "7 cm", "C": "8 cm", "D": "9 cm"}, "correct_answer": "C"},
    {"id": 20, "difficulty": "easy", "question": "If a square has area 144 cm², what is its side length?", "options": {"A": "10 cm", "B": "11 cm", "C": "12 cm", "D": "13 cm"}, "correct_answer": "C"},

    {"id": 21, "difficulty": "medium", "question": "A rectangle has length 15 cm and area 120 cm². What is its width?", "options": {"A": "6 cm", "B": "7 cm", "C": "8 cm", "D": "9 cm"}, "correct_answer": "C"},
    {"id": 22, "difficulty": "medium", "question": "A square has area 225 cm². What is its perimeter?", "options": {"A": "50 cm", "B": "55 cm", "C": "60 cm", "D": "65 cm"}, "correct_answer": "C"},
    {"id": 23, "difficulty": "medium", "question": "A rectangle has width 12 cm and area 180 cm². What is its length?", "options": {"A": "13 cm", "B": "14 cm", "C": "15 cm", "D": "16 cm"}, "correct_answer": "C"},
    {"id": 24, "difficulty": "medium", "question": "A square has perimeter 52 cm. What is its area?", "options": {"A": "156 cm²", "B": "162 cm²", "C": "168 cm²", "D": "169 cm²"}, "correct_answer": "D"},
    {"id": 25, "difficulty": "medium", "question": "A rectangle has length 18 cm and area 234 cm². What is its width?", "options": {"A": "11 cm", "B": "12 cm", "C": "13 cm", "D": "14 cm"}, "correct_answer": "C"},
    {"id": 26, "difficulty": "medium", "question": "A square has area 289 cm². What is its perimeter?", "options": {"A": "64 cm", "B": "66 cm", "C": "68 cm", "D": "70 cm"}, "correct_answer": "C"},
    {"id": 27, "difficulty": "medium", "question": "A rectangle has width 14 cm and area 238 cm². What is its length?", "options": {"A": "15 cm", "B": "16 cm", "C": "17 cm", "D": "18 cm"}, "correct_answer": "C"},
    {"id": 28, "difficulty": "medium", "question": "A square has perimeter 76 cm. What is its area?", "options": {"A": "351 cm²", "B": "356 cm²", "C": "361 cm²", "D": "366 cm²"}, "correct_answer": "C"},
    {"id": 29, "difficulty": "medium", "question": "A rectangle has length 22 cm and area 308 cm². What is its width?", "options": {"A": "12 cm", "B": "13 cm", "C": "14 cm", "D": "15 cm"}, "correct_answer": "C"},
    {"id": 30, "difficulty": "medium", "question": "A square has area 324 cm². What is its perimeter?", "options": {"A": "68 cm", "B": "70 cm", "C": "72 cm", "D": "74 cm"}, "correct_answer": "C"},
    {"id": 31, "difficulty": "medium", "question": "A rectangle has width 16 cm and area 304 cm². What is its length?", "options": {"A": "17 cm", "B": "18 cm", "C": "19 cm", "D": "20 cm"}, "correct_answer": "C"},
    {"id": 32, "difficulty": "medium", "question": "A square has perimeter 84 cm. What is its area?", "options": {"A": "426 cm²", "B": "431 cm²", "C": "436 cm²", "D": "441 cm²"}, "correct_answer": "D"},
    {"id": 33, "difficulty": "medium", "question": "A rectangle has length 25 cm and area 375 cm². What is its width?", "options": {"A": "13 cm", "B": "14 cm", "C": "15 cm", "D": "16 cm"}, "correct_answer": "C"},
    {"id": 34, "difficulty": "medium", "question": "A square has area 400 cm². What is its perimeter?", "options": {"A": "75 cm", "B": "78 cm", "C": "80 cm", "D": "82 cm"}, "correct_answer": "C"},
    {"id": 35, "difficulty": "medium", "question": "A rectangle has width 18 cm and area 378 cm². What is its length?", "options": {"A": "19 cm", "B": "20 cm", "C": "21 cm", "D": "22 cm"}, "correct_answer": "C"},
    {"id": 36, "difficulty": "medium", "question": "A square has perimeter 92 cm. What is its area?", "options": {"A": "516 cm²", "B": "521 cm²", "C": "526 cm²", "D": "529 cm²"}, "correct_answer": "D"},
    {"id": 37, "difficulty": "medium", "question": "A rectangle has length 28 cm and area 448 cm². What is its width?", "options": {"A": "14 cm", "B": "15 cm", "C": "16 cm", "D": "17 cm"}, "correct_answer": "C"},
    {"id": 38, "difficulty": "medium", "question": "A square has area 484 cm². What is its perimeter?", "options": {"A": "84 cm", "B": "86 cm", "C": "88 cm", "D": "90 cm"}, "correct_answer": "C"},
    {"id": 39, "difficulty": "medium", "question": "A rectangle has width 20 cm and area 460 cm². What is its length?", "options": {"A": "21 cm", "B": "22 cm", "C": "23 cm", "D": "24 cm"}, "correct_answer": "C"},
    {"id": 40, "difficulty": "medium", "question": "A square has perimeter 100 cm. What is its area?", "options": {"A": "600 cm²", "B": "615 cm²", "C": "625 cm²", "D": "635 cm²"}, "correct_answer": "C"},
    {"id": 41, "difficulty": "medium", "question": "A rectangle has length 32 cm and area 544 cm². What is its width?", "options": {"A": "15 cm", "B": "16 cm", "C": "17 cm", "D": "18 cm"}, "correct_answer": "C"},
    {"id": 42, "difficulty": "medium", "question": "A square has area 576 cm². What is its perimeter?", "options": {"A": "92 cm", "B": "94 cm", "C": "96 cm", "D": "98 cm"}, "correct_answer": "C"},
    {"id": 43, "difficulty": "medium", "question": "A rectangle has width 22 cm and area 550 cm². What is its length?", "options": {"A": "23 cm", "B": "24 cm", "C": "25 cm", "D": "26 cm"}, "correct_answer": "C"},
    {"id": 44, "difficulty": "medium", "question": "A square has perimeter 108 cm. What is its area?", "options": {"A": "716 cm²", "B": "721 cm²", "C": "726 cm²", "D": "729 cm²"}, "correct_answer": "D"},
    {"id": 45, "difficulty": "medium", "question": "A rectangle has length 35 cm and area 630 cm². What is its width?", "options": {"A": "16 cm", "B": "17 cm", "C": "18 cm", "D": "19 cm"}, "correct_answer": "C"},
    {"id": 46, "difficulty": "medium", "question": "A square has area 676 cm². What is its perimeter?", "options": {"A": "102 cm", "B": "104 cm", "C": "106 cm", "D": "108 cm"}, "correct_answer": "B"},
    {"id": 47, "difficulty": "medium", "question": "A rectangle has width 24 cm and area 648 cm². What is its length?", "options": {"A": "25 cm", "B": "26 cm", "C": "27 cm", "D": "28 cm"}, "correct_answer": "C"},
    {"id": 48, "difficulty": "medium", "question": "A square has perimeter 116 cm. What is its area?", "options": {"A": "831 cm²", "B": "836 cm²", "C": "841 cm²", "D": "846 cm²"}, "correct_answer": "C"},
    {"id": 49, "difficulty": "medium", "question": "A rectangle has length 38 cm and area 722 cm². What is its width?", "options": {"A": "17 cm", "B": "18 cm", "C": "19 cm", "D": "20 cm"}, "correct_answer": "C"},
    {"id": 50, "difficulty": "medium", "question": "A square has area 784 cm². What is its perimeter?", "options": {"A": "108 cm", "B": "110 cm", "C": "112 cm", "D": "114 cm"}, "correct_answer": "C"},
    {"id": 51, "difficulty": "medium", "question": "A rectangle has width 26 cm and area 754 cm². What is its length?", "options": {"A": "27 cm", "B": "28 cm", "C": "29 cm", "D": "30 cm"}, "correct_answer": "C"},
    {"id": 52, "difficulty": "medium", "question": "A square has perimeter 124 cm. What is its area?", "options": {"A": "946 cm²", "B": "951 cm²", "C": "956 cm²", "D": "961 cm²"}, "correct_answer": "D"},
    {"id": 53, "difficulty": "medium", "question": "A rectangle has length 42 cm and area 924 cm². What is its width?", "options": {"A": "20 cm", "B": "21 cm", "C": "22 cm", "D": "23 cm"}, "correct_answer": "C"},
    {"id": 54, "difficulty": "medium", "question": "A square has area 900 cm². What is its perimeter?", "options": {"A": "115 cm", "B": "118 cm", "C": "120 cm", "D": "122 cm"}, "correct_answer": "C"},
    {"id": 55, "difficulty": "medium", "question": "A rectangle has width 28 cm and area 868 cm². What is its length?", "options": {"A": "29 cm", "B": "30 cm", "C": "31 cm", "D": "32 cm"}, "correct_answer": "C"},
    {"id": 56, "difficulty": "medium", "question": "A square has perimeter 132 cm. What is its area?", "options": {"A": "1076 cm²", "B": "1081 cm²", "C": "1086 cm²", "D": "1089 cm²"}, "correct_answer": "D"},
    {"id": 57, "difficulty": "medium", "question": "A rectangle has length 45 cm and area 1035 cm². What is its width?", "options": {"A": "21 cm", "B": "22 cm", "C": "23 cm", "D": "24 cm"}, "correct_answer": "C"},
    {"id": 58, "difficulty": "medium", "question": "A square has area 1024 cm². What is its perimeter?", "options": {"A": "124 cm", "B": "126 cm", "C": "128 cm", "D": "130 cm"}, "correct_answer": "C"},
    {"id": 59, "difficulty": "medium", "question": "A rectangle has width 30 cm and area 990 cm². What is its length?", "options": {"A": "31 cm", "B": "32 cm", "C": "33 cm", "D": "34 cm"}, "correct_answer": "C"},
    {"id": 60, "difficulty": "medium", "question": "A square has perimeter 140 cm. What is its area?", "options": {"A": "1200 cm²", "B": "1215 cm²", "C": "1225 cm²", "D": "1235 cm²"}, "correct_answer": "C"},
    {"id": 61, "difficulty": "medium", "question": "A rectangle has length 48 cm and area 1152 cm². What is its width?", "options": {"A": "22 cm", "B": "23 cm", "C": "24 cm", "D": "25 cm"}, "correct_answer": "C"},
    {"id": 62, "difficulty": "medium", "question": "A square has area 1156 cm². What is its perimeter?", "options": {"A": "132 cm", "B": "134 cm", "C": "136 cm", "D": "138 cm"}, "correct_answer": "C"},
    {"id": 63, "difficulty": "medium", "question": "A rectangle has width 32 cm and area 1120 cm². What is its length?", "options": {"A": "33 cm", "B": "34 cm", "C": "35 cm", "D": "36 cm"}, "correct_answer": "C"},
    {"id": 64, "difficulty": "medium", "question": "A square has perimeter 148 cm. What is its area?", "options": {"A": "1356 cm²", "B": "1361 cm²", "C": "1366 cm²", "D": "1369 cm²"}, "correct_answer": "D"},
    {"id": 65, "difficulty": "medium", "question": "A rectangle has length 50 cm and area 1300 cm². What is its width?", "options": {"A": "24 cm", "B": "25 cm", "C": "26 cm", "D": "27 cm"}, "correct_answer": "C"},
    {"id": 66, "difficulty": "medium", "question": "A square has area 1296 cm². What is its perimeter?", "options": {"A": "140 cm", "B": "142 cm", "C": "144 cm", "D": "146 cm"}, "correct_answer": "C"},
    {"id": 67, "difficulty": "medium", "question": "A rectangle has width 34 cm and area 1258 cm². What is its length?", "options": {"A": "35 cm", "B": "36 cm", "C": "37 cm", "D": "38 cm"}, "correct_answer": "C"},
    {"id": 68, "difficulty": "medium", "question": "A square has perimeter 156 cm. What is its area?", "options": {"A": "1506 cm²", "B": "1511 cm²", "C": "1516 cm²", "D": "1521 cm²"}, "correct_answer": "D"},
    {"id": 69, "difficulty": "medium", "question": "A rectangle has length 52 cm and area 1456 cm². What is its width?", "options": {"A": "26 cm", "B": "27 cm", "C": "28 cm", "D": "29 cm"}, "correct_answer": "C"},
    {"id": 70, "difficulty": "medium", "question": "A square has area 1444 cm². What is its perimeter?", "options": {"A": "148 cm", "B": "150 cm", "C": "152 cm", "D": "154 cm"}, "correct_answer": "C"},
    {"id": 71, "difficulty": "medium", "question": "A rectangle has width 36 cm and area 1404 cm². What is its length?", "options": {"A": "37 cm", "B": "38 cm", "C": "39 cm", "D": "40 cm"}, "correct_answer": "C"},
    {"id": 72, "difficulty": "medium", "question": "A square has perimeter 164 cm. What is its area?", "options": {"A": "1666 cm²", "B": "1671 cm²", "C": "1676 cm²", "D": "1681 cm²"}, "correct_answer": "D"},
    {"id": 73, "difficulty": "medium", "question": "A rectangle has length 55 cm and area 1595 cm². What is its width?", "options": {"A": "27 cm", "B": "28 cm", "C": "29 cm", "D": "30 cm"}, "correct_answer": "C"},
    {"id": 74, "difficulty": "medium", "question": "A square has area 1600 cm². What is its perimeter?", "options": {"A": "155 cm", "B": "158 cm", "C": "160 cm", "D": "162 cm"}, "correct_answer": "C"},
    {"id": 75, "difficulty": "medium", "question": "A rectangle has width 38 cm and area 1558 cm². What is its length?", "options": {"A": "39 cm", "B": "40 cm", "C": "41 cm", "D": "42 cm"}, "correct_answer": "C"},
    {"id": 76, "difficulty": "medium", "question": "A square has perimeter 172 cm. What is its area?", "options": {"A": "1836 cm²", "B": "1841 cm²", "C": "1846 cm²", "D": "1849 cm²"}, "correct_answer": "D"},
    {"id": 77, "difficulty": "medium", "question": "A rectangle has length 58 cm and area 1740 cm². What is its width?", "options": {"A": "28 cm", "B": "29 cm", "C": "30 cm", "D": "31 cm"}, "correct_answer": "C"},
    {"id": 78, "difficulty": "medium", "question": "A square has area 1764 cm². What is its perimeter?", "options": {"A": "164 cm", "B": "166 cm", "C": "168 cm", "D": "170 cm"}, "correct_answer": "C"},
    {"id": 79, "difficulty": "medium", "question": "A rectangle has width 40 cm and area 1720 cm². What is its length?", "options": {"A": "41 cm", "B": "42 cm", "C": "43 cm", "D": "44 cm"}, "correct_answer": "C"},
    {"id": 80, "difficulty": "medium", "question": "A square has perimeter 180 cm. What is its area?", "options": {"A": "2000 cm²", "B": "2015 cm²", "C": "2025 cm²", "D": "2035 cm²"}, "correct_answer": "C"},

    {"id": 81, "difficulty": "hard", "question": "A rectangle has perimeter 100 cm and length 30 cm. What is its area?", "options": {"A": "550 cm²", "B": "575 cm²", "C": "600 cm²", "D": "625 cm²"}, "correct_answer": "C"},
    {"id": 82, "difficulty": "hard", "question": "A square has area 2500 cm². If its side is doubled, what is the new area?", "options": {"A": "5000 cm²", "B": "7500 cm²", "C": "10000 cm²", "D": "12500 cm²"}, "correct_answer": "C"},
    {"id": 83, "difficulty": "hard", "question": "A rectangle has area 1200 cm² and length 40 cm. What is its perimeter?", "options": {"A": "135 cm", "B": "140 cm", "C": "145 cm", "D": "150 cm"}, "correct_answer": "B"},
    {"id": 84, "difficulty": "hard", "question": "A square has perimeter 200 cm. If its side is halved, what is the new area?", "options": {"A": "600 cm²", "B": "625 cm²", "C": "650 cm²", "D": "675 cm²"}, "correct_answer": "B"},
    {"id": 85, "difficulty": "hard", "question": "A rectangle has perimeter 180 cm and width 35 cm. What is its area?", "options": {"A": "1875 cm²", "B": "1900 cm²", "C": "1925 cm²", "D": "1950 cm²"}, "correct_answer": "C"},
    {"id": 86, "difficulty": "hard", "question": "A square has area 3600 cm². If its side is increased by 10 cm, what is the new area?", "options": {"A": "4800 cm²", "B": "4900 cm²", "C": "5000 cm²", "D": "5100 cm²"}, "correct_answer": "B"},
    {"id": 87, "difficulty": "hard", "question": "A rectangle has area 2400 cm² and width 30 cm. What is its perimeter?", "options": {"A": "210 cm", "B": "215 cm", "C": "220 cm", "D": "225 cm"}, "correct_answer": "C"},
    {"id": 88, "difficulty": "hard", "question": "A square has perimeter 240 cm. If its side is decreased by 5 cm, what is the new area?", "options": {"A": "3200 cm²", "B": "3225 cm²", "C": "3250 cm²", "D": "3275 cm²"}, "correct_answer": "B"},
    {"id": 89, "difficulty": "hard", "question": "A rectangle has perimeter 220 cm and length 65 cm. What is its area?", "options": {"A": "2800 cm²", "B": "2850 cm²", "C": "2900 cm²", "D": "2950 cm²"}, "correct_answer": "C"},
    {"id": 90, "difficulty": "hard", "question": "A square has area 4900 cm². If its side is tripled, what is the new area?", "options": {"A": "42000 cm²", "B": "43000 cm²", "C": "44000 cm²", "D": "44100 cm²"}, "correct_answer": "D"},
    {"id": 91, "difficulty": "hard", "question": "A rectangle has area 3000 cm² and length 50 cm. What is its perimeter?", "options": {"A": "220 cm", "B": "225 cm", "C": "230 cm", "D": "235 cm"}, "correct_answer": "A"},
    {"id": 92, "difficulty": "hard", "question": "A square has perimeter 280 cm. If its side is increased by 20%, what is the new area?", "options": {"A": "5600 cm²", "B": "5650 cm²", "C": "5700 cm²", "D": "5760 cm²"}, "correct_answer": "D"},
    {"id": 93, "difficulty": "hard", "question": "A rectangle has perimeter 260 cm and width 45 cm. What is its area?", "options": {"A": "3750 cm²", "B": "3800 cm²", "C": "3825 cm²", "D": "3850 cm²"}, "correct_answer": "C"},
    {"id": 94, "difficulty": "hard", "question": "A square has area 6400 cm². If its side is reduced by 20%, what is the new area?", "options": {"A": "4000 cm²", "B": "4096 cm²", "C": "4100 cm²", "D": "4200 cm²"}, "correct_answer": "B"},
    {"id": 95, "difficulty": "hard", "question": "A rectangle has area 4200 cm² and width 35 cm. What is its perimeter?", "options": {"A": "310 cm", "B": "315 cm", "C": "320 cm", "D": "325 cm"}, "correct_answer": "A"},
    {"id": 96, "difficulty": "hard", "question": "A square has perimeter 320 cm. If its side is doubled, what is the new perimeter?", "options": {"A": "620 cm", "B": "630 cm", "C": "640 cm", "D": "650 cm"}, "correct_answer": "C"},
    {"id": 97, "difficulty": "hard", "question": "A rectangle has perimeter 300 cm and length 85 cm. What is its area?", "options": {"A": "5450 cm²", "B": "5500 cm²", "C": "5525 cm²", "D": "5550 cm²"}, "correct_answer": "C"},
    {"id": 98, "difficulty": "hard", "question": "A square has area 8100 cm². If its side is increased by 50%, what is the new area?", "options": {"A": "18000 cm²", "B": "18225 cm²", "C": "18400 cm²", "D": "18600 cm²"}, "correct_answer": "B"},
    {"id": 99, "difficulty": "hard", "question": "A rectangle has area 5400 cm² and length 72 cm. What is its perimeter?", "options": {"A": "294 cm", "B": "298 cm", "C": "302 cm", "D": "306 cm"}, "correct_answer": "A"},
    {"id": 100, "difficulty": "hard", "question": "A square has perimeter 360 cm. If its side is halved, what is the new perimeter?", "options": {"A": "175 cm", "B": "178 cm", "C": "180 cm", "D": "182 cm"}, "correct_answer": "C"}
  ]
}