{
    "title": "Measurement – Area | Grade 5 CBSE",
    "total_questions": 150,
    "questions": [
      {"id": 1, "difficulty": "easy", "question": "What is the area of a square with side 4 cm? 📏", "options": {"A": "8 sq cm", "B": "12 sq cm", "C": "16 sq cm", "D": "20 sq cm"}, "correct_answer": "C"},
      {"id": 2, "difficulty": "easy", "question": "Which unit is used to measure area? 📏", "options": {"A": "cm", "B": "cm²", "C": "kg", "D": "m"}, "correct_answer": "B"},
      {"id": 3, "difficulty": "easy", "question": "What is the area of a rectangle with length 5 cm and breadth 2 cm?", "options": {"A": "7 sq cm", "B": "10 sq cm", "C": "12 sq cm", "D": "5 sq cm"}, "correct_answer": "B"},
      {"id": 4, "difficulty": "easy", "question": "A square has side 3 cm. Its area is: ", "options": {"A": "6 sq cm", "B": "9 sq cm", "C": "12 sq cm", "D": "3 sq cm"}, "correct_answer": "B"},
      {"id": 5, "difficulty": "easy", "question": "Which shape has area = length × breadth?", "options": {"A": "Circle", "B": "Triangle", "C": "Rectangle", "D": "Cube"}, "correct_answer": "C"},
      {"id": 6, "difficulty": "easy", "question": "If a square has area 25 sq cm, what is its side?", "options": {"A": "4 cm", "B": "6 cm", "C": "5 cm", "D": "3 cm"}, "correct_answer": "C"},
      {"id": 7, "difficulty": "easy", "question": "Which is larger? 20 sq cm or 15 sq cm?", "options": {"A": "20 sq cm", "B": "Both same", "C": "15 sq cm", "D": "None"}, "correct_answer": "A"},
      {"id": 8, "difficulty": "easy", "question": "Area of a rectangle 6 cm × 1 cm is:", "options": {"A": "5 sq cm", "B": "7 sq cm", "C": "6 sq cm", "D": "12 sq cm"}, "correct_answer": "C"},
      {"id": 9, "difficulty": "easy", "question": "Which unit is bigger for area?", "options": {"A": "mm²", "B": "cm²", "C": "m²", "D": "cm"}, "correct_answer": "C"},
      {"id": 10, "difficulty": "easy", "question": "A rectangle has length 8 cm and area 24 sq cm. What is its breadth?", "options": {"A": "3 cm", "B": "4 cm", "C": "2 cm", "D": "6 cm"}, "correct_answer": "A"},
      {"id": 11, "difficulty": "easy", "question": "What is the area of a square plot of side 10 m?", "options": {"A": "20 sq m", "B": "50 sq m", "C": "100 sq m", "D": "10 sq m"}, "correct_answer": "C"},
      {"id": 12, "difficulty": "easy", "question": "Area is measured in:", "options": {"A": "sq units", "B": "units", "C": "cubic units", "D": "litres"}, "correct_answer": "A"},
      {"id": 13, "difficulty": "easy", "question": "Area of a rectangle with sides 7 cm and 2 cm:", "options": {"A": "9 sq cm", "B": "14 sq cm", "C": "7 sq cm", "D": "5 sq cm"}, "correct_answer": "B"},
      {"id": 14, "difficulty": "easy", "question": "Which shape usually has the smallest area?", "options": {"A": "Large square", "B": "Small rectangle", "C": "Small square", "D": "Large circle"}, "correct_answer": "C"},
      {"id": 15, "difficulty": "easy", "question": "Area of a square with side 2 cm is:", "options": {"A": "4 sq cm", "B": "2 sq cm", "C": "6 sq cm", "D": "8 sq cm"}, "correct_answer": "A"},
      {"id": 16, "difficulty": "easy", "question": "If area = length × breadth, what is the area of 9 × 1 cm?", "options": {"A": "9 sq cm", "B": "1 sq cm", "C": "8 sq cm", "D": "10 sq cm"}, "correct_answer": "A"},
      {"id": 17, "difficulty": "easy", "question": "Which of these is an area unit?", "options": {"A": "cm³", "B": "cm²", "C": "m", "D": "km"}, "correct_answer": "B"},
      {"id": 18, "difficulty": "easy", "question": "Area of a square with side 6 cm:", "options": {"A": "36 sq cm", "B": "18 sq cm", "C": "12 sq cm", "D": "24 sq cm"}, "correct_answer": "A"},
      {"id": 19, "difficulty": "easy", "question": "A rectangle has area 30 sq cm and breadth 5 cm. Length is:", "options": {"A": "4 cm", "B": "6 cm", "C": "5 cm", "D": "3 cm"}, "correct_answer": "B"},
      {"id": 20, "difficulty": "easy", "question": "Which shape has equal area on all sides?", "options": {"A": "Rectangle", "B": "Square", "C": "Triangle", "D": "Parallelogram"}, "correct_answer": "B"},
      {"id": 21, "difficulty": "easy", "question": "If a tile covers 1 sq m, how many tiles cover 10 sq m?", "options": {"A": "5", "B": "10", "C": "15", "D": "20"}, "correct_answer": "B"},
      {"id": 22, "difficulty": "easy", "question": "Area of a 3 cm × 4 cm rectangle is:", "options": {"A": "7 sq cm", "B": "10 sq cm", "C": "12 sq cm", "D": "15 sq cm"}, "correct_answer": "C"},
      {"id": 23, "difficulty": "easy", "question": "Which is larger: 100 sq cm or 1 sq m?", "options": {"A": "100 sq cm", "B": "Both same", "C": "1 sq m", "D": "10 sq cm"}, "correct_answer": "C"},
      {"id": 24, "difficulty": "easy", "question": "What is the area of a square of side 1 cm?", "options": {"A": "2 sq cm", "B": "1 sq cm", "C": "0 sq cm", "D": "3 sq cm"}, "correct_answer": "B"},
      {"id": 25, "difficulty": "easy", "question": "Which is the formula for the area of a rectangle?", "options": {"A": "2 × (l + b)", "B": "l × b", "C": "l + b", "D": "l ÷ b"}, "correct_answer": "B"},
      {"id": 26, "difficulty": "easy", "question": "Area of square with side 9 cm:", "options": {"A": "99 sq cm", "B": "81 sq cm", "C": "18 sq cm", "D": "27 sq cm"}, "correct_answer": "B"},
      {"id": 27, "difficulty": "easy", "question": "Area of rectangle 12 cm × 1 cm is:", "options": {"A": "1 sq cm", "B": "24 sq cm", "C": "12 sq cm", "D": "6 sq cm"}, "correct_answer": "C"},
      {"id": 28, "difficulty": "easy", "question": "1 m² = how many cm²?", "options": {"A": "10", "B": "100", "C": "1000", "D": "10000"}, "correct_answer": "D"},
      {"id": 29, "difficulty": "easy", "question": "Area of a rectangle with breadth 4 cm and length 2 cm:", "options": {"A": "8 sq cm", "B": "2 sq cm", "C": "4 sq cm", "D": "6 sq cm"}, "correct_answer": "A"},
      {"id": 30, "difficulty": "easy", "question": "Area of a 5 cm × 5 cm square:", "options": {"A": "10 sq cm", "B": "15 sq cm", "C": "25 sq cm", "D": "20 sq cm"}, "correct_answer": "C"},
      {"id": 31, "difficulty": "easy", "question": "Which is the correct unit for land area?", "options": {"A": "sq cm", "B": "sq m", "C": "litres", "D": "grams"}, "correct_answer": "B"},
      {"id": 32, "difficulty": "easy", "question": "Breadth of a rectangle is 7 cm and area is 21 sq cm. Length is:", "options": {"A": "2 cm", "B": "3 cm", "C": "4 cm", "D": "5 cm"}, "correct_answer": "B"},
      {"id": 33, "difficulty": "easy", "question": "Area increases when:", "options": {"A": "Length increases", "B": "Breadth decreases", "C": "Side decreases", "D": "Units change"}, "correct_answer": "A"},
      {"id": 34, "difficulty": "easy", "question": "Which has the smallest area?", "options": {"A": "Square of side 1 cm", "B": "Rectangle of sides 2 cm & 1 cm", "C": "Square of side 2 cm", "D": "Rectangle 3 cm × 2 cm"}, "correct_answer": "A"},
      {"id": 35, "difficulty": "easy", "question": "Area of a 10 cm × 2 cm rectangle:", "options": {"A": "12 sq cm", "B": "20 sq cm", "C": "15 sq cm", "D": "25 sq cm"}, "correct_answer": "B"},
      {"id": 36, "difficulty": "easy", "question": "1 cm² means:", "options": {"A": "1 cm long", "B": "Area of 1 cm × 1 cm square", "C": "1 cm wide", "D": "1 cm tall"}, "correct_answer": "B"},
      {"id": 37, "difficulty": "easy", "question": "Which is larger: 50 sq cm or 5 sq m?", "options": {"A": "50 sq cm", "B": "5 sq m", "C": "Both same", "D": "None"}, "correct_answer": "B"},
      {"id": 38, "difficulty": "easy", "question": "Area of a square is 64 sq cm. Side is:", "options": {"A": "6 cm", "B": "8 cm", "C": "9 cm", "D": "4 cm"}, "correct_answer": "B"},
     {
  "id": 39,
  "difficulty": "easy",
  "question": "Area of 4 cm × 3 cm rectangle:",
  "options": {
    "A": "7 sq cm",
    "B": "12 sq cm",
    "C": "16 sq cm",
    "D": "24 sq cm"
  },
  "correct_answer": "B"
}
, {"id": 40, "difficulty": "easy", "question": "Which formula is used for area of square?", "options": {"A": "4 × side", "B": "side × side", "C": "2 × side", "D": "side + side"}, "correct_answer": "B"},
      {"id": 41, "difficulty": "easy", "question": "Area of 2 cm × 8 cm rectangle:", "options": {"A": "16 sq cm", "B": "18 sq cm", "C": "10 sq cm", "D": "12 sq cm"}, "correct_answer": "A"},
      {"id": 42, "difficulty": "easy", "question": "Area of 11 cm × 1 cm rectangle:", "options": {"A": "12 sq cm", "B": "10 sq cm", "C": "11 sq cm", "D": "9 sq cm"}, "correct_answer": "C"},
      {"id": 43, "difficulty": "easy", "question": "Side of a square is doubled. Its area becomes:", "options": {"A": "Half", "B": "Same", "C": "Double", "D": "Four times"}, "correct_answer": "D"},
      {"id": 44, "difficulty": "easy", "question": "Area of rectangle with length 9 cm and breadth 5 cm:", "options": {"A": "25 sq cm", "B": "40 sq cm", "C": "45 sq cm", "D": "30 sq cm"}, "correct_answer": "C"},
      {"id": 45, "difficulty": "easy", "question": "If area = 50 sq cm and length = 10 cm, breadth =", "options": {"A": "2 cm", "B": "5 cm", "C": "10 cm", "D": "4 cm"}, "correct_answer": "B"},
      {"id": 46, "difficulty": "easy", "question": "Which increases area?", "options": {"A": "Decrease length", "B": "Increase both sides", "C": "Decrease both sides", "D": "None"}, "correct_answer": "B"},
      {"id": 47, "difficulty": "easy", "question": "Area of square side 12 cm:", "options": {"A": "24 sq cm", "B": "48 sq cm", "C": "144 sq cm", "D": "100 sq cm"}, "correct_answer": "C"},
      {"id": 48, "difficulty": "easy", "question": "Area of 15 cm × 2 cm rectangle:", "options": {"A": "30 sq cm", "B": "20 sq cm", "C": "15 sq cm", "D": "25 sq cm"}, "correct_answer": "A"},
      {"id": 49, "difficulty": "easy", "question": "Which has more area: 5 × 4 cm or 2 × 10 cm?", "options": {"A": "5 × 4", "B": "2 × 10", "C": "Both same", "D": "None"}, "correct_answer": "C"},
      {"id": 50, "difficulty": "easy", "question": "If area = 9 sq cm, the square side is:", "options": {"A": "1 cm", "B": "2 cm", "C": "3 cm", "D": "4 cm"}, "correct_answer": "C"},


      {"id": 51, "difficulty": "medium", "question": "A rectangle has length 12 cm and breadth 3 cm. Area is:", "options": {"A": "36 sq cm", "B": "15 sq cm", "C": "20 sq cm", "D": "40 sq cm"}, "correct_answer": "A"},
      {"id": 52, "difficulty": "medium", "question": "A square park has area 49 sq m. Its side is:", "options": {"A": "6 m", "B": "8 m", "C": "7 m", "D": "9 m"}, "correct_answer": "C"},
      {"id": 53, "difficulty": "medium", "question": "A classroom floor is 8 m × 6 m. Its area:", "options": {"A": "14 sq m", "B": "48 sq m", "C": "28 sq m", "D": "58 sq m"}, "correct_answer": "B"},
      {"id": 54, "difficulty": "medium", "question": "A rectangle has area 32 sq cm and breadth 4 cm. Length is:", "options": {"A": "6 cm", "B": "8 cm", "C": "4 cm", "D": "12 cm"}, "correct_answer": "B"},
      {"id": 55, "difficulty": "medium", "question": "A garden 15 m × 2 m has area:", "options": {"A": "30 sq m", "B": "20 sq m", "C": "15 sq m", "D": "25 sq m"}, "correct_answer": "A"},
      {"id": 56, "difficulty": "medium", "question": "Side of square is tripled. Area becomes:", "options": {"A": "3 times", "B": "6 times", "C": "9 times", "D": "12 times"}, "correct_answer": "C"},
      {"id": 57, "difficulty": "medium", "question": "Which is greater: area of 9 × 4 or 6 × 8?", "options": {"A": "9 × 4", "B": "6 × 8", "C": "Both equal", "D": "Cannot say"}, "correct_answer": "B"},
      {"id": 58, "difficulty": "medium", "question": "A field is 20 m long and area is 100 sq m. Breadth is:", "options": {"A": "10 m", "B": "5 m", "C": "20 m", "D": "15 m"}, "correct_answer": "B"},
      {"id": 59, "difficulty": "medium", "question": "Which has more area: square of side 8 cm or rectangle 6 × 9 cm?", "options": {"A": "Square", "B": "Rectangle", "C": "Both equal", "D": "None"}, "correct_answer": "B"},
      {
  "id": 60,
  "difficulty": "medium",
  "question": "A rectangle has area 50 sq cm and length 10 cm. What is its breadth?",
  "options": {
    "A": "4 cm",
    "B": "5 cm",
    "C": "6 cm",
    "D": "7 cm"
  },
  "correct_answer": "B"
},
      {"id": 61, "difficulty": "medium", "question": "A rectangle has breadth 5 cm and area 45 sq cm. What is the length?", "options": {"A": "10 cm", "B": "7 cm", "C": "9 cm", "D": "8 cm"}, "correct_answer": "C"},
      {"id": 62, "difficulty": "medium", "question": "Which has greater area: 12 × 4 cm or 8 × 6 cm?", "options": {"A": "12 × 4", "B": "8 × 6", "C": "Both same", "D": "None"}, "correct_answer": "B"},
      {"id": 63, "difficulty": "medium", "question": "A rectangular board is 11 cm long and 5 cm wide. Find its area.", "options": {"A": "55 sq cm", "B": "45 sq cm", "C": "22 sq cm", "D": "66 sq cm"}, "correct_answer": "A"},
      {"id": 64, "difficulty": "medium", "question": "If area of a square is 121 sq cm, what is its side?", "options": {"A": "10 cm", "B": "12 cm", "C": "11 cm", "D": "9 cm"}, "correct_answer": "C"},
      {"id": 65, "difficulty": "medium", "question": "A rectangle has area 72 sq cm and length 9 cm. Breadth =", "options": {"A": "6 cm", "B": "8 cm", "C": "4 cm", "D": "9 cm"}, "correct_answer": "A"},
      {"id": 66, "difficulty": "medium", "question": "A garden is 18 m long and 3 m wide. Area is:", "options": {"A": "36 sq m", "B": "54 sq m", "C": "48 sq m", "D": "50 sq m"}, "correct_answer": "B"},
      {"id": 67, "difficulty": "medium", "question": "What is the area of a square tile of side 9 cm?", "options": {"A": "90 sq cm", "B": "72 sq cm", "C": "81 sq cm", "D": "99 sq cm"}, "correct_answer": "C"},
      {"id": 68, "difficulty": "medium", "question": "A rectangle has length 13 cm and breadth 4 cm. Find area.", "options": {"A": "56 sq cm", "B": "52 sq cm", "C": "60 sq cm", "D": "45 sq cm"}, "correct_answer": "B"},
      {"id": 69, "difficulty": "medium", "question": "A floor area is 24 sq m. If width is 4 m, length is:", "options": {"A": "5 m", "B": "6 m", "C": "7 m", "D": "8 m"}, "correct_answer": "B"},
      {"id": 70, "difficulty": "medium", "question": "Which rectangle has the greatest area?", "options": {"A": "5 × 6", "B": "7 × 3", "C": "4 × 8", "D": "10 × 2"}, "correct_answer": "C"},
      {"id": 71, "difficulty": "medium", "question": "A square has side 14 cm. Find its area.", "options": {"A": "196 sq cm", "B": "98 sq cm", "C": "140 sq cm", "D": "160 sq cm"}, "correct_answer": "A"},
      {"id": 72, "difficulty": "medium", "question": "Area of rectangle: length 16 cm, breadth 2 cm.", "options": {"A": "36 sq cm", "B": "32 sq cm", "C": "18 sq cm", "D": "26 sq cm"}, "correct_answer": "B"},
      {"id": 73, "difficulty": "medium", "question": "A rectangle has area 60 sq cm and length 12 cm. Breadth =", "options": {"A": "8 cm", "B": "6 cm", "C": "5 cm", "D": "10 cm"}, "correct_answer": "C"},
      {"id": 74, "difficulty": "medium", "question": "Which has more area: square 10 cm or rectangle 12 × 8 cm?", "options": {"A": "Square", "B": "Rectangle", "C": "Both equal", "D": "None"}, "correct_answer": "B"},
      {"id": 75, "difficulty": "medium", "question": "A rectangular field is 20 m long and area 200 sq m. Its breadth is:", "options": {"A": "10 m", "B": "20 m", "C": "5 m", "D": "15 m"}, "correct_answer": "A"},
      {"id": 76, "difficulty": "medium", "question": "Area of a square increases if:", "options": {"A": "Side decreases", "B": "Side increases", "C": "Units change", "D": "Divide sides"}, "correct_answer": "B"},
      {"id": 77, "difficulty": "medium", "question": "Area of rectangle 9 cm × 7 cm:", "options": {"A": "63 sq cm", "B": "56 sq cm", "C": "72 sq cm", "D": "64 sq cm"}, "correct_answer": "A"},
      {"id": 78, "difficulty": "medium", "question": "A square has area 144 sq cm. Side =", "options": {"A": "10 cm", "B": "12 cm", "C": "15 cm", "D": "20 cm"}, "correct_answer": "B"},
      {"id": 79, "difficulty": "medium", "question": "A rectangle has length 22 cm and area 110 sq cm. Breadth =", "options": {"A": "10 cm", "B": "6 cm", "C": "5 cm", "D": "11 cm"}, "correct_answer": "C"},
      {"id": 80, "difficulty": "medium", "question": "Area comparison: 18 × 2 vs 12 × 3", "options": {"A": "18 × 2 is greater", "B": "12 × 3 is greater", "C": "Both equal", "D": "None"}, "correct_answer": "C"},
      {"id": 81, "difficulty": "medium", "question": "Area of square playground with side 20 m:", "options": {"A": "200 sq m", "B": "400 sq m", "C": "600 sq m", "D": "300 sq m"}, "correct_answer": "B"},
      {"id": 82, "difficulty": "medium", "question": "Area of rectangle 14 cm × 3 cm:", "options": {"A": "42 sq cm", "B": "30 sq cm", "C": "36 sq cm", "D": "48 sq cm"}, "correct_answer": "A"},
      {"id": 83, "difficulty": "medium", "question": "Area of a square whose perimeter is 24 cm:", "options": {"A": "16 sq cm", "B": "25 sq cm", "C": "36 sq cm", "D": "49 sq cm"}, "correct_answer": "C"},
      {"id": 84, "difficulty": "medium", "question": "A rectangle has area 84 sq cm and length 12 cm. Breadth =", "options": {"A": "8 cm", "B": "6 cm", "C": "7 cm", "D": "9 cm"}, "correct_answer": "C"},
      {"id": 85, "difficulty": "medium", "question": "Which has more area: 9 × 9 or 12 × 6?", "options": {"A": "9 × 9", "B": "12 × 6", "C": "Both equal", "D": "None"}, "correct_answer": "B"},
      {"id": 86, "difficulty": "medium", "question": "Side of square = 17 cm. Area =", "options": {"A": "289 sq cm", "B": "289 cm", "C": "289 m", "D": "289 sq m"}, "correct_answer": "A"},
      {"id": 87, "difficulty": "medium", "question": "Area of rectangle 25 m × 4 m:", "options": {"A": "50 sq m", "B": "100 sq m", "C": "75 sq m", "D": "125 sq m"}, "correct_answer": "B"},
      {"id": 88, "difficulty": "medium", "question": "If area = 225 sq cm, side of square is:", "options": {"A": "14 cm", "B": "15 cm", "C": "13 cm", "D": "16 cm"}, "correct_answer": "B"},
      {"id": 89, "difficulty": "medium", "question": "Area of rectangle with sides 4 cm and 21 cm:", "options": {"A": "75 sq cm", "B": "80 sq cm", "C": "84 sq cm", "D": "88 sq cm"}, "correct_answer": "C"},
      {"id": 90, "difficulty": "medium", "question": "A rectangle has length double its breadth. If breadth is 7 cm, area =", "options": {"A": "98 sq cm", "B": "49 sq cm", "C": "70 sq cm", "D": "84 sq cm"}, "correct_answer": "A"},
      {"id": 91, "difficulty": "medium", "question": "Area of square whose diagonal is 10 cm (approx)?", "options": {"A": "50 sq cm", "B": "25 sq cm", "C": "100 sq cm", "D": "75 sq cm"}, "correct_answer": "A"},
      {"id": 92, "difficulty": "medium", "question": "Area of rectangle: 19 cm × 3 cm", "options": {"A": "57 sq cm", "B": "60 sq cm", "C": "54 sq cm", "D": "58 sq cm"}, "correct_answer": "A"},
      {"id": 93, "difficulty": "medium", "question": "Perimeter of square is 32 cm. Area =", "options": {"A": "16 sq cm", "B": "64 sq cm", "C": "48 sq cm", "D": "100 sq cm"}, "correct_answer": "B"},
     {
  "id": 94,
  "difficulty": "medium",
  "question": "A rectangle has length 27 cm and area 108 sq cm. Find its breadth.",
  "options": {
    "A": "4 cm",
    "B": "5 cm",
    "C": "6 cm",
    "D": "7 cm"
  },
  "correct_answer": "A"
}
, {"id": 95, "difficulty": "medium", "question": "Area of square whose side = 18 cm:", "options": {"A": "324 sq cm", "B": "360 sq cm", "C": "300 sq cm", "D": "280 sq cm"}, "correct_answer": "A"},
      {"id": 96, "difficulty": "medium", "question": "Which is bigger: 200 sq cm or 0.02 sq m?", "options": {"A": "200 sq cm", "B": "0.02 sq m", "C": "Both equal", "D": "None"}, "correct_answer": "C"},
      {"id": 97, "difficulty": "medium", "question": "A rectangle has length 40 m and breadth 3 m. Area =", "options": {"A": "120 sq m", "B": "100 sq m", "C": "140 sq m", "D": "80 sq m"}, "correct_answer": "A"},
      {"id": 98, "difficulty": "medium", "question": "Area of square with perimeter 40 cm:", "options": {"A": "100 sq cm", "B": "81 sq cm", "C": "121 sq cm", "D": "64 sq cm"}, "correct_answer": "A"},
      {"id": 99, "difficulty": "medium", "question": "A rectangle has area 99 sq cm and length 11 cm. Breadth =", "options": {"A": "8 cm", "B": "9 cm", "C": "10 cm", "D": "7 cm"}, "correct_answer": "B"},
      {"id": 100, "difficulty": "medium", "question": "Area of rectangle: 30 cm × 3 cm", "options": {"A": "60 sq cm", "B": "90 sq cm", "C": "100 sq cm", "D": "80 sq cm"}, "correct_answer": "B"},

      {"id": 101, "difficulty": "hard", "question": "A square has area 196 sq cm. What is its perimeter?", "options": {"A": "28 cm", "B": "56 cm", "C": "60 cm", "D": "30 cm"}, "correct_answer": "B"},
      {"id": 102, "difficulty": "hard", "question": "A rectangular park has area 180 sq m and breadth 12 m. Find length.", "options": {"A": "15 m", "B": "20 m", "C": "12 m", "D": "18 m"}, "correct_answer": "B"},
      {"id": 103, "difficulty": "hard", "question": "Which has more area: square side 15 m or rectangle 10 × 20 m?", "options": {"A": "Square", "B": "Rectangle", "C": "Both same", "D": "Cannot say"}, "correct_answer": "B"},
      {"id": 104, "difficulty": "hard", "question": "A hall measures 25 m × 12 m. Find area.", "options": {"A": "300 sq m", "B": "260 sq m", "C": "250 sq m", "D": "320 sq m"}, "correct_answer": "A"},
      {"id": 105, "difficulty": "hard", "question": "A square has perimeter 64 m. Find area.", "options": {"A": "64 sq m", "B": "256 sq m", "C": "128 sq m", "D": "100 sq m"}, "correct_answer": "B"},
      {"id": 106, "difficulty": "hard", "question": "A rectangle has diagonal 25 cm and breadth 7 cm. Approx length?", "options": {"A": "24 cm", "B": "26 cm", "C": "20 cm", "D": "22 cm"}, "correct_answer": "A"},
     {
  "id": 107,
  "difficulty": "hard",
  "question": "A rectangle 30 m × 4 m is enlarged so that both sides double. New area =",
  "options": {
    "A": "240 sq m",
    "B": "480 sq m", 
    "C": "960 sq m",
    "D": "720 sq m"
  },
  "correct_answer": "B"
}, {"id": 108, "difficulty": "hard", "question": "Area of square increases 4 times if:", "options": {"A": "Side doubles", "B": "Side triples", "C": "Side halves", "D": "Side becomes 4 times"}, "correct_answer": "A"},
      {"id": 109, "difficulty": "hard", "question": "A rectangle has area 150 sq cm and breadth 10 cm. Length =", "options": {"A": "15 cm", "B": "10 cm", "C": "12 cm", "D": "20 cm"}, "correct_answer": "A"},
      {"id": 110, "difficulty": "hard", "question": "Area of square: diagonal = 14 cm (approx).", "options": {"A": "49 sq cm", "B": "98 sq cm", "C": "100 sq cm", "D": "75 sq cm"}, "correct_answer": "B"},
      {"id": 111, "difficulty": "hard", "question": "Which is biggest: 15×15, 20×10, or 25×8?", "options": {"A": "15×15", "B": "20×10", "C": "25×8", "D": "All same"}, "correct_answer": "A"},
      {"id": 112, "difficulty": "hard", "question": "A park is 45 m long and area 450 sq m. Width =", "options": {"A": "10 m", "B": "5 m", "C": "15 m", "D": "20 m"}, "correct_answer": "A"},
      {"id": 113, "difficulty": "hard", "question": "If side of square increases by 5 cm, area increases by:", "options": {"A": "20 sq cm", "B": "Depends on original side", "C": "25 sq cm", "D": "10 sq cm"}, "correct_answer": "B"},
      {"id": 114, "difficulty": "hard", "question": "Area of rectangle: 33 cm × 9 cm", "options": {"A": "297 sq cm", "B": "250 sq cm", "C": "300 sq cm", "D": "280 sq cm"}, "correct_answer": "A"},
      {"id": 115, "difficulty": "hard", "question": "A rectangle has length = 3 × breadth. Area = 75 sq cm. Breadth =", "options": {"A": "5 cm", "B": "8 cm", "C": "10 cm", "D": "6 cm"}, "correct_answer": "A"},
      {"id": 116, "difficulty": "hard", "question": "A square and rectangle both have area 144 sq cm. Square side =", "options": {"A": "10 cm", "B": "12 cm", "C": "14 cm", "D": "15 cm"}, "correct_answer": "B"},
      {"id": 117, "difficulty": "hard", "question": "Find area: 50 m × 7 m", "options": {"A": "350 sq m", "B": "300 sq m", "C": "400 sq m", "D": "375 sq m"}, "correct_answer": "A"},
      {"id": 118, "difficulty": "hard", "question": "A square has area 400 sq cm. Perimeter =", "options": {"A": "80 cm", "B": "60 cm", "C": "40 cm", "D": "100 cm"}, "correct_answer": "A"},
    {
  "id": 119,
  "difficulty": "hard",
  "question": "A rectangle is 3 times longer than its breadth. If its area is 108 sq cm, what is its breadth?",
  "options": {
    "A": "4 cm",
    "B": "5 cm",
    "C": "6 cm",
    "D": "9 cm"
  },
  "correct_answer": "C"
}
,  {"id": 120, "difficulty": "hard", "question": "Area of 19 m × 8 m rectangle:", "options": {"A": "152 sq m", "B": "160 sq m", "C": "180 sq m", "D": "140 sq m"}, "correct_answer": "A"},
      {"id": 121, "difficulty": "hard", "question": "A square has perimeter 48 m. Find its area.", "options": {"A": "121 sq m", "B": "144 sq m", "C": "100 sq m", "D": "64 sq m"}, "correct_answer": "B"},
      {"id": 122, "difficulty": "hard", "question": "Area of rectangle 45 cm × 5 cm:", "options": {"A": "250 sq cm", "B": "225 sq cm", "C": "200 sq cm", "D": "275 sq cm"}, "correct_answer": "B"},
      {"id": 123, "difficulty": "hard", "question": "A rectangle has area 180 sq cm and length 15 cm. Breadth =", "options": {"A": "9 cm", "B": "12 cm", "C": "10 cm", "D": "15 cm"}, "correct_answer": "A"},
    {
  "id": 124,
  "difficulty": "hard",
  "question": "Which has the largest area? 14×14, 10×20, 8×25",
  "options": {
    "A": "14×14",
    "B": "10×20",
    "C": "8×25",
    "D": "10×20 and 8×25 both"
  },
  "correct_answer": "D"
}
,  {"id": 125, "difficulty": "hard", "question": "Area of 18 cm × 17 cm rectangle:", "options": {"A": "306 sq cm", "B": "260 sq cm", "C": "240 sq cm", "D": "320 sq cm"}, "correct_answer": "A"},
      {"id": 126, "difficulty": "hard", "question": "A square plot is 30 m on each side. Area =", "options": {"A": "600 sq m", "B": "900 sq m", "C": "750 sq m", "D": "820 sq m"}, "correct_answer": "B"},
      {"id": 127, "difficulty": "hard", "question": "A rectangle has perimeter 60 m. If breadth = 10 m, length =", "options": {"A": "20 m", "B": "30 m", "C": "10 m", "D": "15 m"}, "correct_answer": "A"},
      {"id": 128, "difficulty": "hard", "question": "Area of large square is 4 times small square. Their sides are:", "options": {"A": "Equal", "B": "Double", "C": "Half", "D": "Triple"}, "correct_answer": "B"},
      {"id": 129, "difficulty": "hard", "question": "Area of rectangle 60 cm × 4 cm:", "options": {"A": "200 sq cm", "B": "240 sq cm", "C": "300 sq cm", "D": "320 sq cm"}, "correct_answer": "B"},
      {"id": 130, "difficulty": "hard", "question": "A square garden has area 256 sq m. Side =", "options": {"A": "18 m", "B": "20 m", "C": "16 m", "D": "14 m"}, "correct_answer": "C"},
    {
  "id": 131,
  "difficulty": "hard",
  "question": "Which area is greatest? 30×5, 25×6, 20×8",
  "options": {
    "A": "30×5",
    "B": "25×6",
    "C": "20×8",
    "D": "All equal"
  },
  "correct_answer": "C"
},  {"id": 132, "difficulty": "hard", "question": "A rectangle area = 350 sq m and length = 25 m. Breadth =", "options": {"A": "15 m", "B": "14 m", "C": "12 m", "D": "10 m"}, "correct_answer": "A"},
      {"id": 133, "difficulty": "hard", "question": "Perimeter of square = 72 cm. Area =", "options": {"A": "81 sq cm", "B": "144 sq cm", "C": "324 sq cm", "D": "256 sq cm"}, "correct_answer": "C"},
      {"id": 134, "difficulty": "hard", "question": "Area of rectangle 44 cm × 9 cm:", "options": {"A": "396 sq cm", "B": "360 sq cm", "C": "400 sq cm", "D": "350 sq cm"}, "correct_answer": "A"},
      {"id": 135, "difficulty": "hard", "question": "A rectangle has sides 8 cm and 24 cm. Area =", "options": {"A": "192 sq cm", "B": "180 sq cm", "C": "200 sq cm", "D": "168 sq cm"}, "correct_answer": "A"},
      {"id": 136, "difficulty": "hard", "question": "A field is 32 m × 15 m. Area =", "options": {"A": "480 sq m", "B": "450 sq m", "C": "500 sq m", "D": "420 sq m"}, "correct_answer": "A"},
      {"id": 137, "difficulty": "hard", "question": "A square has diagonal 20 cm (approx). Area =", "options": {"A": "200 sq cm", "B": "250 sq cm", "C": "300 sq cm", "D": "400 sq cm"}, "correct_answer": "A"},
      {"id": 138, "difficulty": "hard", "question": "A rectangle has breadth 14 cm and length twice that. Area =", "options": {"A": "392 sq cm", "B": "280 sq cm", "C": "300 sq cm", "D": "400 sq cm"}, "correct_answer": "A"},
      {"id": 139, "difficulty": "hard", "question": "A square has area 900 sq cm. Side =", "options": {"A": "30 cm", "B": "25 cm", "C": "20 cm", "D": "40 cm"}, "correct_answer": "A"},
   {
  "id": 140,
  "difficulty": "hard",
  "question": "Area of rectangle whose perimeter is 50 cm and breadth is 10 cm:",
  "options": {
    "A": "100 sq cm",
    "B": "150 sq cm",
    "C": "200 sq cm",
    "D": "250 sq cm"
  },
  "correct_answer": "B"
}
,  {"id": 141, "difficulty": "hard", "question": "Area of square: side = 28 cm:", "options": {"A": "784 sq cm", "B": "728 sq cm", "C": "700 sq cm", "D": "800 sq cm"}, "correct_answer": "A"},
      {"id": 142, "difficulty": "hard", "question": "A rectangular board is 33 cm long and area is 330 sq cm. Breadth =", "options": {"A": "11 cm", "B": "10 cm", "C": "9 cm", "D": "8 cm"}, "correct_answer": "B"},
     {
  "id": 143,
  "difficulty": "hard",
  "question": "Which rectangle has the smallest area?",
  "options": {
    "A": "40×5",
    "B": "25×8",
    "C": "20×10",
    "D": "30×7"
  },
  "correct_answer": "D"
}
, {"id": 144, "difficulty": "hard", "question": "A square has perimeter 80 m. Area =", "options": {"A": "400 sq m", "B": "200 sq m", "C": "100 sq m", "D": "300 sq m"}, "correct_answer": "A"},
      {"id": 145, "difficulty": "hard", "question": "Area of rectangle = 432 sq cm, length = 18 cm. Breadth =", "options": {"A": "14 cm", "B": "24 cm", "C": "20 cm", "D": "16 cm"}, "correct_answer": "B"},
   {
  "id": 146,
  "difficulty": "hard",
  "question": "Which area is largest? 9×40, 15×20, 30×12",
  "options": {
    "A": "9×40",
    "B": "15×20",
    "C": "30×12",
    "D": "9×40 and 30×12 both"
  },
  "correct_answer": "D"
}
,   {"id": 147, "difficulty": "hard", "question": "A square has side 35 cm. Area =", "options": {"A": "1225 sq cm", "B": "1000 sq cm", "C": "1400 sq cm", "D": "1500 sq cm"}, "correct_answer": "A"},
      {"id": 148, "difficulty": "hard", "question": "A rectangle 60 m long has area 900 sq m. Breadth =", "options": {"A": "15 m", "B": "20 m", "C": "25 m", "D": "30 m"}, "correct_answer": "A"},
      {"id": 149, "difficulty": "hard", "question": "Area of square = 625 sq cm. Side =", "options": {"A": "20 cm", "B": "22 cm", "C": "25 cm", "D": "30 cm"}, "correct_answer": "C"},
      {"id": 150, "difficulty": "hard", "question": "A rectangle has length 42 cm and breadth 12 cm. Area =", "options": {"A": "504 sq cm", "B": "420 sq cm", "C": "480 sq cm", "D": "520 sq cm"}, "correct_answer": "A"}
    ]
  }