{
  "title": "Perimeter (Measurement) - Grade 5",
  "total_questions": 100,
  "questions": [
    {
    "id": 1,
    "difficulty": "easy",
    "question": "What is the perimeter of a square with side 4 cm?",
    "options": {
      "A": "16 cm",
      "B": "12 cm",
      "C": "20 cm",
      "D": "24 cm"
    },
    "correct_answer": "A"
  },
  {
    "id": 2,
    "difficulty": "easy",
    "question": "A rectangle has length 7 cm and width 3 cm. What is its perimeter?",
    "options": {
      "A": "18 cm",
      "B": "20 cm",
      "C": "16 cm",
      "D": "22 cm"
    },
    "correct_answer": "B"
  },
  {
    "id": 3,
    "difficulty": "easy",
    "question": "What is the perimeter of an equilateral triangle with each side 6 cm?",
    "options": {
      "A": "12 cm",
      "B": "15 cm",
      "C": "18 cm",
      "D": "20 cm"
    },
    "correct_answer": "C"
  },
{
  "id": 4,
  "difficulty": "easy",
  "question": "A square garden has a perimeter of 28 m. What is one side?",
  "options": {"A": "5 m", "B": "6 m", "C": "7 m", "D": "8 m"},
  "correct_answer": "C"
},
  {
    "id": 5,
    "difficulty": "easy",
    "question": "Find the perimeter of a rectangle with length 10 cm and width 4 cm.",
    "options": {
      "A": "28 cm",
      "B": "24 cm",
      "C": "20 cm",
      "D": "18 cm"
    },
    "correct_answer": "A"
  },
  {
    "id": 6,
    "difficulty": "easy",
    "question": "A triangle has sides 5 cm, 5 cm, and 8 cm. What is the perimeter?",
    "options": {
      "A": "15 cm",
      "B": "18 cm",
      "C": "20 cm",
      "D": "22 cm"
    },
    "correct_answer": "B"
  },
{"id":7,"difficulty":"easy","question":"Each side of a square wall is 9 m. What is its perimeter?","options":{"A":"30 m","B":"32 m","C":"34 m","D":"36 m"},"correct_answer":"D"}
,{"id":8,"difficulty":"easy","question":"A rectangle is 6 m long and 2 m wide. What is its perimeter?","options":{"A":"12 m","B":"14 m","C":"16 m","D":"18 m"},"correct_answer":"C"}
,
  {"id":9,"difficulty":"easy","question":"Find the perimeter of a triangle with sides 4 cm, 7 cm, and 5 cm.","options":{"A":"14 cm","B":"15 cm","C":"16 cm","D":"17 cm"},"correct_answer":"C"}
,
  {
    "id": 10,
    "difficulty": "easy",
    "question": "A square playground has a side of 12 m. What is its perimeter?",
    "options": {
      "A": "36 m",
      "B": "48 m",
      "C": "60 m",
      "D": "72 m"
    },
    "correct_answer": "B"
  },
{"id":11,"difficulty":"easy","question":"What is the perimeter of an equilateral triangle with side 9 cm?","options":{"A":"18 cm","B":"27 cm","C":"36 cm","D":"45 cm"},"correct_answer":"B"}
,
{"id":12,"difficulty":"easy","question":"A rectangle has length 8 cm and width 3 cm. Find the perimeter.","options":{"A":"18 cm","B":"20 cm","C":"22 cm","D":"24 cm"},"correct_answer":"C"}
,
  {
    "id": 13,
    "difficulty": "easy",
    "question": "A square frame has a side of 6 cm. What is its perimeter?",
    "options": {
      "A": "24 cm",
      "B": "26 cm",
      "C": "28 cm",
      "D": "30 cm"
    },
    "correct_answer": "A"
  },
 {"id":14,"difficulty":"easy","question":"A triangle has sides 10 cm, 4 cm, and 6 cm. What is the perimeter?","options":{"A":"18 cm","B":"19 cm","C":"20 cm","D":"21 cm"},"correct_answer":"C"}
,
{"id":15,"difficulty":"easy","question":"Find the perimeter of a rectangle with length 11 cm and width 4 cm.","options":{"A":"26 cm","B":"28 cm","C":"30 cm","D":"32 cm"},"correct_answer":"C"}
,
 {
  "id": 16,
  "difficulty": "easy",
  "question": "The sides of a quadrilateral are 3 cm, 7 cm, 4 cm, and 6 cm. What is the perimeter?",
  "options": {"A": "18 cm", "B": "19 cm", "C": "20 cm", "D": "21 cm"},
  "correct_answer": "C"
},
  {
    "id": 17,
    "difficulty": "easy",
    "question": "A square tile has each side 15 cm long. What is its perimeter?",
    "options": {
      "A": "60 cm",
      "B": "65 cm",
      "C": "70 cm",
      "D": "75 cm"
    },
    "correct_answer": "A"
  },
 {"id":18,"difficulty":"easy","question":"A rectangle has a perimeter of 50 cm. If its width is 10 cm, what is its length?","options":{"A":"12 cm","B":"13 cm","C":"15 cm","D":"20 cm"},"correct_answer":"C"}
,
  {
    "id": 19,
    "difficulty": "easy",
    "question": "A triangle has sides 12 cm, 5 cm, and 7 cm. What is the perimeter?",
    "options": {
      "A": "22 cm",
      "B": "23 cm",
      "C": "24 cm",
      "D": "25 cm"
    },
    "correct_answer": "C"
  },
{"id":20,"difficulty":"easy","question":"A square has perimeter 40 cm. What is its side length?","options":{"A":"8 cm","B":"9 cm","C":"10 cm","D":"12 cm"},"correct_answer":"C"}
,
  {
    "id": 21,
    "difficulty": "medium",
    "question": "A rectangular field has length 18 m and width 12 m. What is its perimeter?",
    "options": {
      "A": "60 m",
      "B": "70 m",
      "C": "72 m",
      "D": "80 m"
    },
    "correct_answer": "A"
  },
  {
    "id": 22,
    "difficulty": "medium",
    "question": "A square has an area of 81 sq cm. What is its perimeter?",
    "options": {
      "A": "28 cm",
      "B": "36 cm",
      "C": "40 cm",
      "D": "44 cm"
    },
    "correct_answer": "B"
  },
  {
    "id": 23,
    "difficulty": "medium",
    "question": "A triangle has sides 14 cm, 12 cm, and 9 cm. What is its perimeter?",
    "options": {
      "A": "32 cm",
      "B": "33 cm",
      "C": "35 cm",
      "D": "36 cm"
    },
    "correct_answer": "C"
  },
{"id":24,"difficulty":"medium","question":"A regular pentagon has a perimeter of 45 cm. What is the length of one side?","options":{"A":"7 cm","B":"8 cm","C":"9 cm","D":"10 cm"},"correct_answer":"C"}
,
  {
    "id": 25,
    "difficulty": "medium",
    "question": "The perimeter of a rectangle is 70 cm. If its length is 20 cm, what is its width?",
    "options": {
      "A": "15 cm",
      "B": "16 cm",
      "C": "17 cm",
      "D": "18 cm"
    },
    "correct_answer": "A"
  },
  {
    "id": 26,
    "difficulty": "medium",
    "question": "A square has a perimeter of 52 cm. What is its side length?",
    "options": {
      "A": "11 cm",
      "B": "13 cm",
      "C": "14 cm",
      "D": "15 cm"
    },
    "correct_answer": "B"
  },
  {
    "id": 27,
    "difficulty": "medium",
    "question": "A triangle has sides 17 cm, 12 cm, and 15 cm. What is the perimeter?",
    "options": {
      "A": "42 cm",
      "B": "43 cm",
      "C": "44 cm",
      "D": "45 cm"
    },
    "correct_answer": "C"
  },
  {
    "id": 28,
    "difficulty": "medium",
    "question": "A rectangle has width 9 cm and perimeter 50 cm. What is its length?",
    "options": {
      "A": "12 cm",
      "B": "13 cm",
      "C": "15 cm",
      "D": "16 cm"
    },
    "correct_answer": "D"
  },
  {
    "id": 29,
    "difficulty": "medium",
    "question": "A regular hexagon has side length 11 cm. What is its perimeter?",
    "options": {
      "A": "66 cm",
      "B": "72 cm",
      "C": "78 cm",
      "D": "84 cm"
    },
    "correct_answer": "A"
  },
  {
    "id": 30,
    "difficulty": "medium",
    "question": "The perimeter of a triangle is 72 cm. Two sides are 26 cm and 21 cm. What is the third side?",
    "options": {
      "A": "22 cm",
      "B": "25 cm",
      "C": "26 cm",
      "D": "30 cm"
    },
    "correct_answer": "B"
  },
{"id":31,"difficulty":"medium","question":"A square has a diagonal of 10 cm. What is its perimeter? (Rounded)","options":{"A":"28 cm","B":"30 cm","C":"36 cm","D":"40 cm"},"correct_answer":"A"}
,
{"id":32,"difficulty":"medium","question":"A rectangular sheet is 14 cm long and 9 cm wide. What is its perimeter?","options":{"A":"42 cm","B":"44 cm","C":"46 cm","D":"50 cm"},"correct_answer":"C"}
,
{"id":33,"difficulty":"medium","question":"A triangle has sides in the ratio 3 : 4 : 5 and perimeter 36 cm. What is the longest side?","options":{"A":"15 cm","B":"18 cm","C":"20 cm","D":"22 cm"},"correct_answer":"A"}
,
  {
    "id": 34,
    "difficulty": "medium",
    "question": "A rectangle has length 30 cm and width 12 cm. Find its perimeter.",
    "options": {
      "A": "72 cm",
      "B": "84 cm",
      "C": "90 cm",
      "D": "96 cm"
    },
    "correct_answer": "B"
  },
  {
    "id": 35,
    "difficulty": "medium",
    "question": "A square has a perimeter of 56 cm. What is its area?",
    "options": {
      "A": "169 sq cm",
      "B": "196 sq cm",
      "C": "196 sq cm",
      "D": "225 sq cm"
    },
    "correct_answer": "C"
  },
{"id":36,"difficulty":"medium","question":"A triangle has sides 22 cm, 19 cm, and 15 cm. What is its perimeter?","options":{"A":"54 cm","B":"55 cm","C":"56 cm","D":"58 cm"},"correct_answer":"C"}
,
  {
    "id": 37,
    "difficulty": "medium",
    "question": "A rectangle has perimeter 90 cm. Its length is 28 cm. What is its width?",
    "options": {
      "A": "17 cm",
      "B": "18 cm",
      "C": "19 cm",
      "D": "20 cm"
    },
    "correct_answer": "A"
  },
{"id":38,"difficulty":"medium","question":"A square's perimeter is 64 cm. Find its diagonal (rounded).","options":{"A":"20 cm","B":"23 cm","C":"25 cm","D":"28 cm"},"correct_answer":"B"}
,
  {
    "id": 39,
    "difficulty": "medium",
    "question": "A triangle has sides 18 cm, 16 cm, and 14 cm. What is its perimeter?",
    "options": {
      "A": "44 cm",
      "B": "46 cm",
      "C": "48 cm",
      "D": "50 cm"
    },
    "correct_answer": "C"
  },
  {
    "id": 40,
    "difficulty": "medium",
    "question": "A rectangular track is 40 m long and 20 m wide. What is its perimeter?",
    "options": {
      "A": "100 m",
      "B": "110 m",
      "C": "115 m",
      "D": "120 m"
    },
    "correct_answer": "D"
  },
{"id":41,"difficulty":"hard","question":"A rectangular park has a perimeter of 240 m. If the length is 20 m longer than the width, what is its area?","options":{"A":"3500 sq m","B":"3600 sq m","C":"3800 sq m","D":"4000 sq m"},"correct_answer":"A"}
,
  {
    "id": 42,
    "difficulty": "hard",
    "question": "The perimeter of an isosceles triangle is 72 cm. If the equal sides are each 28 cm, find the base.",
    "options": {
      "A": "14 cm",
      "B": "16 cm",
      "C": "18 cm",
      "D": "20 cm"
    },
    "correct_answer": "B"
  },
 {"id":43,"difficulty":"hard","question":"A wire of length 132 cm is bent to form a regular hexagon. What is the perimeter of a square formed using the same wire?","options":{"A":"120 cm","B":"128 cm","C":"132 cm","D":"136 cm"},"correct_answer":"C"}
,
{"id":44,"difficulty":"hard","question":"A rectangular field is 50 m long and 30 m wide. A path of uniform width is built around it outside the field. If the total perimeter becomes 200 m, find the width of the path.","options":{"A":"4 m","B":"5 m","C":"6 m","D":"8 m"},"correct_answer":"B"}
,
  {
    "id": 45,
    "difficulty": "hard",
    "question": "A square has a perimeter of 96 cm. If its diagonal length is increased by 20%, what will be the new perimeter of the square with the same shape ratio?",
    "options": {
      "A": "115.2 cm",
      "B": "118.4 cm",
      "C": "120 cm",
      "D": "124 cm"
    },
    "correct_answer": "A"
  },
  {
  "id": 46,
  "difficulty": "hard",
  "question": "The perimeter of a triangle is 120 cm. The sides are in the ratio 3:4:5. What is the difference between the longest and shortest side?",
  "options": {"A": "10 cm", "B": "12 cm", "C": "15 cm", "D": "20 cm"},
  "correct_answer": "D"
},
 {
  "id": 47,
  "difficulty": "hard",
  "question": "A rectangle has its length 6 cm more than twice its width. If the perimeter is 84 cm, find the length.",
  "options": {"A": "24 cm", "B": "26 cm", "C": "28 cm", "D": "30 cm"},
  "correct_answer": "D"
},
{"id":48,"difficulty":"hard","question":"A square garden has a perimeter of 160 m. A path of uniform width is built inside, reducing each side by 6 m. What is the perimeter of the remaining area?","options":{"A":"104 m","B":"108 m","C":"112 m","D":"120 m"},"correct_answer":"C"}
,
  {
    "id": 49,
    "difficulty": "hard",
    "question": "A triangular plot has sides 35 m, 45 m, and 55 m. What is its perimeter?",
    "options": {
      "A": "135 m",
      "B": "140 m",
      "C": "145 m",
      "D": "150 m"
    },
    "correct_answer": "A"
  },
  {
    "id": 50,
    "difficulty": "hard",
    "question": "The perimeter of a rectangle is 92 cm. If its length is 28 cm, what is its width?",
    "options": {
      "A": "16 cm",
      "B": "18 cm",
      "C": "19 cm",
      "D": "22 cm"
    },
    "correct_answer": "B"
  },
  {
    "id": 51,
    "difficulty": "hard",
    "question": "A square has a diagonal of 20 cm. What is its perimeter? (Use √2 ≈ 1.41)",
    "options": {
      "A": "52 cm",
      "B": "56 cm",
      "C": "60 cm",
      "D": "64 cm"
    },
    "correct_answer": "C"
  },
 {"id":52,"difficulty":"hard","question":"A rectangular field has a perimeter of 300 m. If the width is 20 m less than the length, find the dimensions.","options":{"A":"80 m × 60 m","B":"85 m × 65 m","C":"90 m × 70 m","D":"95 m × 75 m"},"correct_answer":"B"}
,
  {
    "id": 53,
    "difficulty": "hard",
    "question": "A farmer fences his square field with 4 rounds of fencing. If each side of the field is 35 m, how much fencing is used?",
    "options": {
      "A": "420 m",
      "B": "480 m",
      "C": "520 m",
      "D": "560 m"
    },
    "correct_answer": "A"
  },
  {
    "id": 54,
    "difficulty": "hard",
    "question": "A rectangle has dimensions 32 cm × 24 cm. If both dimensions are increased by 25%, what is the new perimeter?",
    "options": {
      "A": "140 cm",
      "B": "144 cm",
      "C": "148 cm",
      "D": "152 cm"
    },
    "correct_answer": "B"
  },
 {"id":55,"difficulty":"hard","question":"A wire of length 180 cm is bent into the shape of a regular octagon. What is the side length?","options":{"A":"20 cm","B":"22.5 cm","C":"24 cm","D":"25 cm"},"correct_answer":"B"}
,
  {
    "id": 56,
    "difficulty": "hard",
    "question": "A square rooftop has a perimeter of 72 m. A guardrail is installed 1 m inside the boundary on all sides. What is the perimeter of the guardrail path?",
    "options": {
      "A": "52 m",
      "B": "56 m",
      "C": "60 m",
      "D": "64 m"
    },
    "correct_answer": "D"
  },
  {
    "id": 57,
    "difficulty": "hard",
    "question": "A rectangle has its length 4 m more than thrice its width. If the perimeter is 88 m, find the width.",
    "options": {
      "A": "8 m",
      "B": "9 m",
      "C": "10 m",
      "D": "11 m"
    },
    "correct_answer": "A"
  },
  {
    "id": 58,
    "difficulty": "hard",
    "question": "A square and a circle have the same perimeter. If the side of the square is 14 cm, what is the diameter of the circle? (Use π = 22/7)",
    "options": {
      "A": "18 cm",
      "B": "20 cm",
      "C": "22 cm",
      "D": "24 cm"
    },
    "correct_answer": "B"
  },
  {
    "id": 59,
    "difficulty": "hard",
    "question": "A triangular garden has a perimeter of 96 m. The sides are in the ratio 5:7:8. What is the longest side?",
    "options": {
      "A": "32 m",
      "B": "36 m",
      "C": "40 m",
      "D": "48 m"
    },
    "correct_answer": "C"
  },
  {
    "id": 60,
    "difficulty": "hard",
    "question": "A square and a rectangle have the same perimeter. If the square’s side is 18 cm and the rectangle’s width is 10 cm, what is its length?",
    "options": {
      "A": "20 cm",
      "B": "22 cm",
      "C": "24 cm",
      "D": "26 cm"
    },
    "correct_answer": "D"
  }  ]
}