Selected MCQ

Current Question
A circular wheel of radius 1.75 m makes how many revolutions in 11 km?
  • A. 1000
  • B. 2000
  • C. 3000
  • D. 4000
Correct Answer: A
Explanation:
Revolutions = distance/circumference.
Related Question 1
A wheel has a radius of 14 cm. How many revolutions will it take to cover 1056 cm?
  • A. 15
  • B. 10
  • C. 14
  • D. 12
Correct Answer: D
Explanation:
Circumference = 88 cm → 1056/88 = 12.
Related Question 2
A wheel makes 1000 revolutions covering 88 km. What is its diameter?
  • A. 14 m
  • B. 24 m
  • C. 28 m
  • D. 40 m
Correct Answer: C
Explanation:
Circumference = distance/revolutions ⇒ diameter = 28 m.
Related Question 3
Wheels with revolutions 15, 20 and 48 meet again after ____.
  • A. 1 min
  • B. 2 min
  • C. 3 min
  • D. None
Correct Answer: A
Explanation:
LCM concept.
Related Question 4
The radius of a wheel is 22.4 cm. Distance covered in one revolution is ____.
  • A. 252 m
  • B. 704 m
  • C. 352 m
  • D. 808 m
Correct Answer: B
Explanation:
Circumference = 2πr.
Related Question 5
12 inches equals how many centimeters?
  • A. 30.48
  • B. 29
  • C. 34.12
  • D. 24
Correct Answer: A
Explanation:
1 inch = 2.54 cm.