Selected MCQ

Current Question
The perimeter of a square with side 8 cm ____.
  • A. 16 cm
  • B. 24 cm
  • C. 32 cm
  • D. 64 cm
Correct Answer: C
Explanation:
Perimeter = 4 × side.
Related Question 1
The perimeters of two squares are 48 cm and 20 cm. Find the difference in their sides.
  • A. 15√2 cm
  • B. 13√2 cm
  • C. 16√2 cm
  • D. 17√2 cm
Correct Answer: B
Explanation:
Side = perimeter/4; difference leads to 13√2 cm.
Related Question 2
The perimeter of a square is equal to the perimeter of a rectangle of length 16 cm. What is the side of the square?
  • A. 23.57 cm
  • B. 47.14 cm
  • C. 84.92 cm
  • D. 94.94 cm
Correct Answer: A
Explanation:
Equating the perimeters and solving for the side gives the side ≈ 23.57 cm.
Related Question 3
What is the ratio of perimeters of two squares if one side is 3 times the other ____.
  • A. 4: 8
  • B. 1: 4
  • C. 6: 2
  • D. 3: 1
Correct Answer: D
Explanation:
Perimeter ∝ side.
Related Question 4
Total area of 64 squares is 400 cm². Find the side of the big square.
  • A. 17 cm
  • B. 20 cm
  • C. 23 cm
  • D. 26 cm
Correct Answer: D
Explanation:
Total side calculation.
Related Question 5
Side of square increases by 25%. Increase in area is ____.
  • A. 52.65%
  • B. 56.25%
  • C. 50.75%
  • D. 42.75%
Correct Answer: B
Explanation:
Area ∝ side² → (1.25)².