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SSC CPO Mensuration Questions with Answers & Explanations

20 Mensuration questions from the Quantitative Aptitude section of SSC CPO, each with the correct answer and a worked explanation. Try each question first, then tap Show answer to check. When you're ready, take the timed chapter-wise test to see your all-India rank.

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Question 1

What is the area of a circle of radius 28 cm? (Use π = 22/7)

  1. A2464 cm²
  2. B176 cm²
  3. C1232 cm²
  4. D2486 cm²
Show answer
Answer: (A) 2464 cm² Area = πr² = 22/7 × 28 × 28 = 2464 cm².
Question 2

What is the volume of a sphere of radius 42 cm? (Use π = 22/7)

  1. A155232 cm³
  2. B232848 cm³
  3. C310464 cm³
  4. D22176 cm³
Show answer
Answer: (C) 310464 cm³ V = (4/3)πr³ = 310464 cm³.
Question 3

The perimeter of a rectangle is 138 m and its length is 37 m. What is its area?

  1. A1216 m²
  2. B1184 m²
  3. C1152 m²
  4. D2553 m²
Show answer
Answer: (B) 1184 m² Breadth = 138/2 − 37 = 32 m; area = 37 × 32 = 1184 m².
Question 4

What is the volume of a cylinder with radius 14 cm and height 3 cm? (Use π = 22/7)

  1. A2002 cm³
  2. B924 cm³
  3. C132 cm³
  4. D1848 cm³
Show answer
Answer: (D) 1848 cm³ Volume = πr²h = 22/7 × 14² × 3 = 1848 cm³.
Question 5

What is the circumference of a circle of radius 28 cm? (Use π = 22/7)

  1. A176 cm
  2. B183 cm
  3. C88 cm
  4. D352 cm
Show answer
Answer: (A) 176 cm Circumference = 2πr = 2 × 22/7 × 28 = 176 cm.
Question 6

The perimeter of a rectangle is 120 m and its length is 39 m. What is its area?

  1. A840 m²
  2. B798 m²
  3. C2340 m²
  4. D819 m²
Show answer
Answer: (D) 819 m² Breadth = 120/2 − 39 = 21 m; area = 39 × 21 = 819 m².
Question 7

What is the volume of a cylinder with radius 14 cm and height 13 cm? (Use π = 22/7)

  1. A4004 cm³
  2. B8008 cm³
  3. C572 cm³
  4. D1144 cm³
Show answer
Answer: (B) 8008 cm³ Volume = πr²h = 22/7 × 14² × 13 = 8008 cm³.
Question 8

What is the area of a circle of radius 35 cm? (Use π = 22/7)

  1. A3872 cm²
  2. B220 cm²
  3. C1925 cm²
  4. D3850 cm²
Show answer
Answer: (D) 3850 cm² Area = πr² = 22/7 × 35 × 35 = 3850 cm².
Question 9

The perimeter of a rectangle is 134 m and its length is 36 m. What is its area?

  1. A1152 m²
  2. B1116 m²
  3. C1085 m²
  4. D1147 m²
Show answer
Answer: (B) 1116 m² Breadth = 134/2 − 36 = 31 m; area = 36 × 31 = 1116 m².
Question 10

What is the volume of a cylinder with radius 7 cm and height 18 cm? (Use π = 22/7)

  1. A2926 cm³
  2. B792 cm³
  3. C396 cm³
  4. D2772 cm³
Show answer
Answer: (D) 2772 cm³ Volume = πr²h = 22/7 × 7² × 18 = 2772 cm³.

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Question 11

What is the circumference of a circle of radius 42 cm? (Use π = 22/7)

  1. A264 cm
  2. B132 cm
  3. C528 cm
  4. D271 cm
Show answer
Answer: (A) 264 cm Circumference = 2πr = 2 × 22/7 × 42 = 264 cm.
Question 12

The perimeter of a rectangle is 104 m and its length is 37 m. What is its area?

  1. A1924 m²
  2. B555 m²
  3. C592 m²
  4. D570 m²
Show answer
Answer: (B) 555 m² Breadth = 104/2 − 37 = 15 m; area = 37 × 15 = 555 m².
Question 13

What is the volume of a cylinder with radius 14 cm and height 16 cm? (Use π = 22/7)

  1. A1408 cm³
  2. B4928 cm³
  3. C9856 cm³
  4. D704 cm³
Show answer
Answer: (C) 9856 cm³ Volume = πr²h = 22/7 × 14² × 16 = 9856 cm³.
Question 14

What is the area of a circle of radius 42 cm? (Use π = 22/7)

  1. A5566 cm²
  2. B11088 cm²
  3. C5544 cm²
  4. D2772 cm²
Show answer
Answer: (C) 5544 cm² Area = πr² = 22/7 × 42 × 42 = 5544 cm².
Question 15

The perimeter of a rectangle is 92 m and its length is 35 m. What is its area?

  1. A396 m²
  2. B385 m²
  3. C374 m²
  4. D1610 m²
Show answer
Answer: (B) 385 m² Breadth = 92/2 − 35 = 11 m; area = 35 × 11 = 385 m².
Question 16

What is the volume of a sphere of radius 42 cm? (Use π = 22/7)

  1. A310464 cm³
  2. B465696 cm³
  3. C232848 cm³
  4. D22176 cm³
Show answer
Answer: (A) 310464 cm³ V = (4/3)πr³ = 310464 cm³.
Question 17

What is the volume of a sphere of radius 21 cm? (Use π = 22/7)

  1. A5544 cm³
  2. B38808 cm³
  3. C19404 cm³
  4. D29106 cm³
Show answer
Answer: (B) 38808 cm³ V = (4/3)πr³ = 38808 cm³.
Question 18

What is the area of a circle of radius 14 cm? (Use π = 22/7)

  1. A638 cm²
  2. B1232 cm²
  3. C616 cm²
  4. D88 cm²
Show answer
Answer: (C) 616 cm² Area = πr² = 22/7 × 14 × 14 = 616 cm².
Question 19

What is the volume of a cylinder with radius 7 cm and height 9 cm? (Use π = 22/7)

  1. A1386 cm³
  2. B396 cm³
  3. C1540 cm³
  4. D198 cm³
Show answer
Answer: (A) 1386 cm³ Volume = πr²h = 22/7 × 7² × 9 = 1386 cm³.
Question 20

The perimeter of a rectangle is 88 m and its length is 39 m. What is its area?

  1. A195 m²
  2. B200 m²
  3. C1716 m²
  4. D190 m²
Show answer
Answer: (A) 195 m² Breadth = 88/2 − 39 = 5 m; area = 39 × 5 = 195 m².

These are RankerClub practice questions written in the SSC CPO pattern. They are not official SSC/IBPS/RRB papers.

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