{
  "title": "Word problems (Perimeter and Area) - Grade 4 CBSE",
  "total_questions": 100,
  "questions": [
    {"id": 1, "difficulty": "easy", "question": "A square has sides of 5 cm each. What is its perimeter?", "options": {"A": "15 cm", "B": "20 cm", "C": "25 cm", "D": "30 cm"}, "correct_answer": "B"},
    {"id": 2, "difficulty": "easy", "question": "A rectangle is 6 cm long and 4 cm wide. What is its area?", "options": {"A": "20 cm²", "B": "24 cm²", "C": "28 cm²", "D": "30 cm²"}, "correct_answer": "B"},
    {"id": 3, "difficulty": "easy", "question": "A square has sides of 3 cm. What is its area?", "options": {"A": "6 cm²", "B": "9 cm²", "C": "12 cm²", "D": "15 cm²"}, "correct_answer": "B"},
    {"id": 4, "difficulty": "easy", "question": "A rectangle is 8 cm long and 3 cm wide. What is its perimeter?", "options": {"A": "20 cm", "B": "22 cm", "C": "24 cm", "D": "26 cm"}, "correct_answer": "B"},
    {"id": 5, "difficulty": "easy", "question": "A square has sides of 7 cm. What is its perimeter?", "options": {"A": "21 cm", "B": "28 cm", "C": "35 cm", "D": "42 cm"}, "correct_answer": "B"},
    {"id": 6, "difficulty": "easy", "question": "A rectangle is 5 cm long and 2 cm wide. What is its area?", "options": {"A": "7 cm²", "B": "10 cm²", "C": "12 cm²", "D": "14 cm²"}, "correct_answer": "B"},
    {"id": 7, "difficulty": "easy", "question": "A square has sides of 4 cm. What is its area?", "options": {"A": "12 cm²", "B": "16 cm²", "C": "20 cm²", "D": "24 cm²"}, "correct_answer": "B"},
    {"id": 8, "difficulty": "easy", "question": "A rectangle is 9 cm long and 5 cm wide. What is its perimeter?", "options": {"A": "26 cm", "B": "28 cm", "C": "30 cm", "D": "32 cm"}, "correct_answer": "B"},
    {"id": 9, "difficulty": "easy", "question": "A square has sides of 6 cm. What is its perimeter?", "options": {"A": "18 cm", "B": "24 cm", "C": "30 cm", "D": "36 cm"}, "correct_answer": "B"},
    {"id": 10, "difficulty": "easy", "question": "A rectangle is 7 cm long and 4 cm wide. What is its area?", "options": {"A": "24 cm²", "B": "28 cm²", "C": "32 cm²", "D": "36 cm²"}, "correct_answer": "B"},
    {"id": 11, "difficulty": "easy", "question": "A square has sides of 8 cm. What is its area?", "options": {"A": "56 cm²", "B": "64 cm²", "C": "72 cm²", "D": "80 cm²"}, "correct_answer": "B"},
    {"id": 12, "difficulty": "easy", "question": "A rectangle is 10 cm long and 3 cm wide. What is its perimeter?", "options": {"A": "24 cm", "B": "26 cm", "C": "28 cm", "D": "30 cm"}, "correct_answer": "B"},
    {"id": 13, "difficulty": "easy", "question": "A square has sides of 9 cm. What is its perimeter?", "options": {"A": "32 cm", "B": "36 cm", "C": "40 cm", "D": "44 cm"}, "correct_answer": "B"},
    {"id": 14, "difficulty": "easy", "question": "A rectangle is 8 cm long and 5 cm wide. What is its area?", "options": {"A": "35 cm²", "B": "40 cm²", "C": "45 cm²", "D": "50 cm²"}, "correct_answer": "B"},
    {"id": 15, "difficulty": "easy", "question": "A square has sides of 10 cm. What is its area?", "options": {"A": "80 cm²", "B": "90 cm²", "C": "100 cm²", "D": "110 cm²"}, "correct_answer": "C"},
    {"id": 16, "difficulty": "easy", "question": "A rectangle is 12 cm long and 4 cm wide. What is its perimeter?", "options": {"A": "30 cm", "B": "32 cm", "C": "34 cm", "D": "36 cm"}, "correct_answer": "B"},
    {"id": 17, "difficulty": "easy", "question": "A square has sides of 11 cm. What is its perimeter?", "options": {"A": "40 cm", "B": "42 cm", "C": "44 cm", "D": "46 cm"}, "correct_answer": "C"},
    {"id": 18, "difficulty": "easy", "question": "A rectangle is 6 cm long and 3 cm wide. What is its area?", "options": {"A": "15 cm²", "B": "18 cm²", "C": "21 cm²", "D": "24 cm²"}, "correct_answer": "B"},
    {"id": 19, "difficulty": "easy", "question": "A square has sides of 12 cm. What is its area?", "options": {"A": "120 cm²", "B": "132 cm²", "C": "144 cm²", "D": "156 cm²"}, "correct_answer": "C"},
    {"id": 20, "difficulty": "easy", "question": "A rectangle is 15 cm long and 5 cm wide. What is its perimeter?", "options": {"A": "35 cm", "B": "40 cm", "C": "45 cm", "D": "50 cm"}, "correct_answer": "B"},

    {"id": 21, "difficulty": "medium", "question": "A rectangular garden is 12 m long and 8 m wide. What is its perimeter?", "options": {"A": "36 m", "B": "38 m", "C": "40 m", "D": "42 m"}, "correct_answer": "C"},
    {"id": 22, "difficulty": "medium", "question": "A square field has sides of 15 m. What is its area?", "options": {"A": "200 m²", "B": "215 m²", "C": "225 m²", "D": "235 m²"}, "correct_answer": "C"},
    {"id": 23, "difficulty": "medium", "question": "A rectangular room is 9 m long and 6 m wide. What is its area?", "options": {"A": "50 m²", "B": "52 m²", "C": "54 m²", "D": "56 m²"}, "correct_answer": "C"},
    {"id": 24, "difficulty": "medium", "question": "A square park has sides of 20 m. What is its perimeter?", "options": {"A": "75 m", "B": "80 m", "C": "85 m", "D": "90 m"}, "correct_answer": "B"},
    {"id": 25, "difficulty": "medium", "question": "A rectangular field is 25 m long and 15 m wide. What is its area?", "options": {"A": "350 m²", "B": "365 m²", "C": "375 m²", "D": "385 m²"}, "correct_answer": "C"},
    {"id": 26, "difficulty": "medium", "question": "A square tile has sides of 30 cm. What is its perimeter?", "options": {"A": "110 cm", "B": "115 cm", "C": "120 cm", "D": "125 cm"}, "correct_answer": "C"},
    {"id": 27, "difficulty": "medium", "question": "A rectangular board is 18 cm long and 12 cm wide. What is its area?", "options": {"A": "206 cm²", "B": "210 cm²", "C": "216 cm²", "D": "220 cm²"}, "correct_answer": "C"},
    {"id": 28, "difficulty": "medium", "question": "A square photo frame has sides of 25 cm. What is its perimeter?", "options": {"A": "95 cm", "B": "100 cm", "C": "105 cm", "D": "110 cm"}, "correct_answer": "B"},
    {"id": 29, "difficulty": "medium", "question": "A rectangular carpet is 14 m long and 8 m wide. What is its area?", "options": {"A": "104 m²", "B": "108 m²", "C": "112 m²", "D": "116 m²"}, "correct_answer": "C"},
    {"id": 30, "difficulty": "medium", "question": "A square table has sides of 35 cm. What is its perimeter?", "options": {"A": "135 cm", "B": "140 cm", "C": "145 cm", "D": "150 cm"}, "correct_answer": "B"},
    {"id": 31, "difficulty": "medium", "question": "A rectangular pool is 20 m long and 10 m wide. What is its area?", "options": {"A": "190 m²", "B": "200 m²", "C": "210 m²", "D": "220 m²"}, "correct_answer": "B"},
    {"id": 32, "difficulty": "medium", "question": "A square garden has sides of 18 m. What is its perimeter?", "options": {"A": "68 m", "B": "70 m", "C": "72 m", "D": "74 m"}, "correct_answer": "C"},
    {"id": 33, "difficulty": "medium", "question": "A rectangular book is 24 cm long and 16 cm wide. What is its area?", "options": {"A": "370 cm²", "B": "374 cm²", "C": "378 cm²", "D": "384 cm²"}, "correct_answer": "D"},
    {"id": 34, "difficulty": "medium", "question": "A square window has sides of 45 cm. What is its perimeter?", "options": {"A": "175 cm", "B": "180 cm", "C": "185 cm", "D": "190 cm"}, "correct_answer": "B"},
    {"id": 35, "difficulty": "medium", "question": "A rectangular field is 32 m long and 18 m wide. What is its area?", "options": {"A": "560 m²", "B": "566 m²", "C": "572 m²", "D": "576 m²"}, "correct_answer": "D"},
    {"id": 36, "difficulty": "medium", "question": "A square tile has sides of 28 cm. What is its perimeter?", "options": {"A": "108 cm", "B": "110 cm", "C": "112 cm", "D": "114 cm"}, "correct_answer": "C"},
    {"id": 37, "difficulty": "medium", "question": "A rectangular room is 15 m long and 12 m wide. What is its area?", "options": {"A": "170 m²", "B": "175 m²", "C": "180 m²", "D": "185 m²"}, "correct_answer": "C"},
    {"id": 38, "difficulty": "medium", "question": "A square park has sides of 22 m. What is its perimeter?", "options": {"A": "84 m", "B": "86 m", "C": "88 m", "D": "90 m"}, "correct_answer": "C"},
    {"id": 39, "difficulty": "medium", "question": "A rectangular board is 30 cm long and 20 cm wide. What is its area?", "options": {"A": "580 cm²", "B": "590 cm²", "C": "600 cm²", "D": "610 cm²"}, "correct_answer": "C"},
    {"id": 40, "difficulty": "medium", "question": "A square frame has sides of 40 cm. What is its perimeter?", "options": {"A": "155 cm", "B": "160 cm", "C": "165 cm", "D": "170 cm"}, "correct_answer": "B"},
    {"id": 41, "difficulty": "medium", "question": "A rectangular garden is 28 m long and 15 m wide. What is its area?", "options": {"A": "410 m²", "B": "415 m²", "C": "420 m²", "D": "425 m²"}, "correct_answer": "C"},
    {"id": 42, "difficulty": "medium", "question": "A square table has sides of 50 cm. What is its perimeter?", "options": {"A": "195 cm", "B": "200 cm", "C": "205 cm", "D": "210 cm"}, "correct_answer": "B"},
    {"id": 43, "difficulty": "medium", "question": "A rectangular room is 24 m long and 16 m wide. What is its area?", "options": {"A": "374 m²", "B": "378 m²", "C": "382 m²", "D": "384 m²"}, "correct_answer": "D"},
    {"id": 44, "difficulty": "medium", "question": "A square field has sides of 35 m. What is its perimeter?", "options": {"A": "135 m", "B": "140 m", "C": "145 m", "D": "150 m"}, "correct_answer": "B"},
    {"id": 45, "difficulty": "medium", "question": "A rectangular carpet is 20 m long and 14 m wide. What is its area?", "options": {"A": "270 m²", "B": "275 m²", "C": "280 m²", "D": "285 m²"}, "correct_answer": "C"},
    {"id": 46, "difficulty": "medium", "question": "A square photo has sides of 32 cm. What is its perimeter?", "options": {"A": "122 cm", "B": "126 cm", "C": "128 cm", "D": "132 cm"}, "correct_answer": "C"},
    {"id": 47, "difficulty": "medium", "question": "A rectangular pool is 25 m long and 12 m wide. What is its area?", "options": {"A": "290 m²", "B": "295 m²", "C": "300 m²", "D": "305 m²"}, "correct_answer": "C"},
    {"id": 48, "difficulty": "medium", "question": "A square window has sides of 38 cm. What is its perimeter?", "options": {"A": "148 cm", "B": "150 cm", "C": "152 cm", "D": "154 cm"}, "correct_answer": "C"},
    {"id": 49, "difficulty": "medium", "question": "A rectangular field is 30 m long and 20 m wide. What is its area?", "options": {"A": "580 m²", "B": "590 m²", "C": "600 m²", "D": "610 m²"}, "correct_answer": "C"},
    {"id": 50, "difficulty": "medium", "question": "A square tile has sides of 42 cm. What is its perimeter?", "options": {"A": "164 cm", "B": "166 cm", "C": "168 cm", "D": "170 cm"}, "correct_answer": "C"},
    {"id": 51, "difficulty": "medium", "question": "A rectangular room is 18 m long and 15 m wide. What is its area?", "options": {"A": "260 m²", "B": "265 m²", "C": "270 m²", "D": "275 m²"}, "correct_answer": "C"},
    {"id": 52, "difficulty": "medium", "question": "A square park has sides of 28 m. What is its perimeter?", "options": {"A": "108 m", "B": "110 m", "C": "112 m", "D": "114 m"}, "correct_answer": "C"},
    {"id": 53, "difficulty": "medium", "question": "A rectangular board is 35 cm long and 25 cm wide. What is its area?", "options": {"A": "860 cm²", "B": "865 cm²", "C": "870 cm²", "D": "875 cm²"}, "correct_answer": "D"},
    {"id": 54, "difficulty": "medium", "question": "A square frame has sides of 48 cm. What is its perimeter?", "options": {"A": "188 cm", "B": "190 cm", "C": "192 cm", "D": "194 cm"}, "correct_answer": "C"},
    {"id": 55, "difficulty": "medium", "question": "A rectangular garden is 22 m long and 18 m wide. What is its area?", "options": {"A": "386 m²", "B": "390 m²", "C": "394 m²", "D": "396 m²"}, "correct_answer": "D"},
    {"id": 56, "difficulty": "medium", "question": "A square table has sides of 55 cm. What is its perimeter?", "options": {"A": "215 cm", "B": "220 cm", "C": "225 cm", "D": "230 cm"}, "correct_answer": "B"},
    {"id": 57, "difficulty": "medium", "question": "A rectangular room is 28 m long and 22 m wide. What is its area?", "options": {"A": "606 m²", "B": "610 m²", "C": "614 m²", "D": "616 m²"}, "correct_answer": "D"},
    {"id": 58, "difficulty": "medium", "question": "A square field has sides of 40 m. What is its perimeter?", "options": {"A": "155 m", "B": "160 m", "C": "165 m", "D": "170 m"}, "correct_answer": "B"},
    {"id": 59, "difficulty": "medium", "question": "A rectangular carpet is 24 m long and 16 m wide. What is its area?", "options": {"A": "374 m²", "B": "378 m²", "C": "382 m²", "D": "384 m²"}, "correct_answer": "D"},
    {"id": 60, "difficulty": "medium", "question": "A square photo has sides of 44 cm. What is its perimeter?", "options": {"A": "172 cm", "B": "174 cm", "C": "176 cm", "D": "178 cm"}, "correct_answer": "C"},
    {"id": 61, "difficulty": "medium", "question": "A rectangular pool is 32 m long and 18 m wide. What is its area?", "options": {"A": "566 m²", "B": "570 m²", "C": "574 m²", "D": "576 m²"}, "correct_answer": "D"},
    {"id": 62, "difficulty": "medium", "question": "A square window has sides of 52 cm. What is its perimeter?", "options": {"A": "202 cm", "B": "204 cm", "C": "206 cm", "D": "208 cm"}, "correct_answer": "D"},
    {"id": 63, "difficulty": "medium", "question": "A rectangular field is 36 m long and 24 m wide. What is its area?", "options": {"A": "854 m²", "B": "858 m²", "C": "862 m²", "D": "864 m²"}, "correct_answer": "D"},
    {"id": 64, "difficulty": "medium", "question": "A square tile has sides of 60 cm. What is its perimeter?", "options": {"A": "235 cm", "B": "240 cm", "C": "245 cm", "D": "250 cm"}, "correct_answer": "B"},
    {"id": 65, "difficulty": "medium", "question": "A rectangular room is 30 m long and 25 m wide. What is its area?", "options": {"A": "740 m²", "B": "745 m²", "C": "750 m²", "D": "755 m²"}, "correct_answer": "C"},
    {"id": 66, "difficulty": "medium", "question": "A square park has sides of 45 m. What is its perimeter?", "options": {"A": "175 m", "B": "180 m", "C": "185 m", "D": "190 m"}, "correct_answer": "B"},
    {"id": 67, "difficulty": "medium", "question": "A rectangular board is 40 cm long and 30 cm wide. What is its area?", "options": {"A": "1180 cm²", "B": "1190 cm²", "C": "1200 cm²", "D": "1210 cm²"}, "correct_answer": "C"},
    {"id": 68, "difficulty": "medium", "question": "A square frame has sides of 65 cm. What is its perimeter?", "options": {"A": "255 cm", "B": "260 cm", "C": "265 cm", "D": "270 cm"}, "correct_answer": "B"},
    {"id": 69, "difficulty": "medium", "question": "A rectangular garden is 35 m long and 28 m wide. What is its area?", "options": {"A": "970 m²", "B": "975 m²", "C": "980 m²", "D": "985 m²"}, "correct_answer": "C"},
    {"id": 70, "difficulty": "medium", "question": "A square table has sides of 70 cm. What is its perimeter?", "options": {"A": "275 cm", "B": "280 cm", "C": "285 cm", "D": "290 cm"}, "correct_answer": "B"},
    {"id": 71, "difficulty": "medium", "question": "A rectangular room is 32 m long and 28 m wide. What is its area?", "options": {"A": "886 m²", "B": "890 m²", "C": "894 m²", "D": "896 m²"}, "correct_answer": "D"},
    {"id": 72, "difficulty": "medium", "question": "A square field has sides of 55 m. What is its perimeter?", "options": {"A": "215 m", "B": "220 m", "C": "225 m", "D": "230 m"}, "correct_answer": "B"},
    {"id": 73, "difficulty": "medium", "question": "A rectangular carpet is 36 m long and 24 m wide. What is its area?", "options": {"A": "854 m²", "B": "858 m²", "C": "862 m²", "D": "864 m²"}, "correct_answer": "D"},
    {"id": 74, "difficulty": "medium", "question": "A square photo has sides of 75 cm. What is its perimeter?", "options": {"A": "295 cm", "B": "300 cm", "C": "305 cm", "D": "310 cm"}, "correct_answer": "B"},
    {"id": 75, "difficulty": "medium", "question": "A rectangular pool is 40 m long and 25 m wide. What is its area?", "options": {"A": "980 m²", "B": "990 m²", "C": "1000 m²", "D": "1010 m²"}, "correct_answer": "C"},
    {"id": 76, "difficulty": "medium", "question": "A square window has sides of 80 cm. What is its perimeter?", "options": {"A": "315 cm", "B": "320 cm", "C": "325 cm", "D": "330 cm"}, "correct_answer": "B"},
    {"id": 77, "difficulty": "medium", "question": "A rectangular field is 42 m long and 35 m wide. What is its area?", "options": {"A": "1450 m²", "B": "1460 m²", "C": "1470 m²", "D": "1480 m²"}, "correct_answer": "C"},
    {"id": 78, "difficulty": "medium", "question": "A square tile has sides of 85 cm. What is its perimeter?", "options": {"A": "335 cm", "B": "340 cm", "C": "345 cm", "D": "350 cm"}, "correct_answer": "B"},
    {"id": 79, "difficulty": "medium", "question": "A rectangular room is 45 m long and 32 m wide. What is its area?", "options": {"A": "1420 m²", "B": "1430 m²", "C": "1440 m²", "D": "1450 m²"}, "correct_answer": "C"},
    {"id": 80, "difficulty": "medium", "question": "A square park has sides of 90 m. What is its perimeter?", "options": {"A": "355 m", "B": "360 m", "C": "365 m", "D": "370 m"}, "correct_answer": "B"},

    {"id": 81, "difficulty": "hard", "question": "A rectangular field has a perimeter of 100 m. If its length is 30 m, what is its width?", "options": {"A": "18 m", "B": "19 m", "C": "20 m", "D": "21 m"}, "correct_answer": "C"},
    {"id": 82, "difficulty": "hard", "question": "A square has an area of 256 cm². What is the length of each side?", "options": {"A": "14 cm", "B": "15 cm", "C": "16 cm", "D": "17 cm"}, "correct_answer": "C"},
    {"id": 83, "difficulty": "hard", "question": "A rectangle has an area of 180 m² and width of 12 m. What is its length?", "options": {"A": "14 m", "B": "15 m", "C": "16 m", "D": "17 m"}, "correct_answer": "B"},
    {"id": 84, "difficulty": "hard", "question": "A square has a perimeter of 120 cm. What is its area?", "options": {"A": "800 cm²", "B": "850 cm²", "C": "900 cm²", "D": "950 cm²"}, "correct_answer": "C"},
    {"id": 85, "difficulty": "hard", "question": "A rectangle has a perimeter of 80 m and length of 25 m. What is its area?", "options": {"A": "350 m²", "B": "360 m²", "C": "370 m²", "D": "375 m²"}, "correct_answer": "D"},
    {"id": 86, "difficulty": "hard", "question": "A square has an area of 400 cm². What is its perimeter?", "options": {"A": "75 cm", "B": "80 cm", "C": "85 cm", "D": "90 cm"}, "correct_answer": "B"},
    {"id": 87, "difficulty": "hard", "question": "A rectangle has an area of 240 m² and length of 20 m. What is its perimeter?", "options": {"A": "62 m", "B": "64 m", "C": "66 m", "D": "68 m"}, "correct_answer": "B"},
    {"id": 88, "difficulty": "hard", "question": "A square has a perimeter of 200 cm. What is the length of each side?", "options": {"A": "48 cm", "B": "49 cm", "C": "50 cm", "D": "51 cm"}, "correct_answer": "C"},
    {"id": 89, "difficulty": "hard", "question": "A rectangle has a perimeter of 120 m and width of 20 m. What is its area?", "options": {"A": "700 m²", "B": "750 m²", "C": "800 m²", "D": "850 m²"}, "correct_answer": "C"},
    {"id": 90, "difficulty": "hard", "question": "A square has an area of 625 cm². What is its perimeter?", "options": {"A": "95 cm", "B": "98 cm", "C": "100 cm", "D": "102 cm"}, "correct_answer": "C"},
    {"id": 91, "difficulty": "hard", "question": "A rectangle has an area of 300 m² and width of 15 m. What is its perimeter?", "options": {"A": "68 m", "B": "70 m", "C": "72 m", "D": "74 m"}, "correct_answer": "B"},
    {"id": 92, "difficulty": "hard", "question": "A square has a perimeter of 180 cm. What is its area?", "options": {"A": "2000 cm²", "B": "2025 cm²", "C": "2050 cm²", "D": "2075 cm²"}, "correct_answer": "B"},
    {"id": 93, "difficulty": "hard", "question": "A rectangle has a perimeter of 140 m and length of 40 m. What is its area?", "options": {"A": "1100 m²", "B": "1150 m²", "C": "1200 m²", "D": "1250 m²"}, "correct_answer": "C"},
    {"id": 94, "difficulty": "hard", "question": "A square has an area of 784 cm². What is the length of each side?", "options": {"A": "26 cm", "B": "27 cm", "C": "28 cm", "D": "29 cm"}, "correct_answer": "C"},
    {"id": 95, "difficulty": "hard", "question": "A rectangle has an area of 450 m² and length of 25 m. What is its perimeter?", "options": {"A": "84 m", "B": "86 m", "C": "88 m", "D": "90 m"}, "correct_answer": "B"},
    {"id": 96, "difficulty": "hard", "question": "A square has a perimeter of 240 cm. What is its area?", "options": {"A": "3500 cm²", "B": "3550 cm²", "C": "3600 cm²", "D": "3650 cm²"}, "correct_answer": "C"},
    {"id": 97, "difficulty": "hard", "question": "A rectangle has a perimeter of 160 m and width of 30 m. What is its area?", "options": {"A": "1400 m²", "B": "1450 m²", "C": "1500 m²", "D": "1550 m²"}, "correct_answer": "C"},
    {"id": 98, "difficulty": "hard", "question": "A square has an area of 900 cm². What is its perimeter?", "options": {"A": "115 cm", "B": "118 cm", "C": "120 cm", "D": "122 cm"}, "correct_answer": "C"},
    {"id": 99, "difficulty": "hard", "question": "A rectangle has an area of 560 m² and width of 20 m. What is its perimeter?", "options": {"A": "94 m", "B": "96 m", "C": "98 m", "D": "100 m"}, "correct_answer": "B"},
    {"id": 100, "difficulty": "hard", "question": "A square has a perimeter of 300 cm. What is the length of each side?", "options": {"A": "72 cm", "B": "73 cm", "C": "74 cm", "D": "75 cm"}, "correct_answer": "D"}
  ]
}