Selected MCQ

Current Question
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 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
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 3
If one number is 3 times another and their sum is 80, the numbers are ____.
  • A. 20 and 60
  • B. 25 and 55
  • C. 30 and 50
  • D. 15 and 65
Correct Answer: A
Explanation:
Let x + 3x = 80 → x = 20.
Related Question 4
If one number is 25% less than another, the ratio is ____.
  • A. 3:4
  • B. 4:3
  • C. 2:3
  • D. 5:4
Correct Answer: A
Explanation:
Reduced value = 75% → ratio = 3:4.
Related Question 5
If one number is 20% more than another, the ratio between them is ____.
  • A. 5:6
  • B. 6:5
  • C. 4:5
  • D. 5:4
Correct Answer: B
Explanation:
Let smaller = 5 → larger = 6.