Selected MCQ

Current Question
The speed of a car is 60 km/h. Distance covered in 2 hours ____.
  • A. 100 km
  • B. 110 km
  • C. 120 km
  • D. 130 km
Correct Answer: C
Explanation:
Distance = speed × time.
Related Question 1
The speed of the boat in still water is 5 km/h. It travels upstream and downstream the same distance. Find stream speed.
  • A. 5 km/h
  • B. 8 km/h
  • C. 10 km/h
  • D. 15 km/h
Correct Answer: A
Explanation:
Equal time implies that stream speed equals still-water speed.
Related Question 2
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 3
If a person covers 150 km in 3 hours, his speed is ____.
  • A. 40 km/h
  • B. 45 km/h
  • C. 50 km/h
  • D. 55 km/h
Correct Answer: C
Explanation:
Speed = 150/3 = 50 km/h.
Related Question 4
If a person travels half distance at 40 km/h and half at 60 km/h, average speed is ____.
  • A. 48 km/h
  • B. 50 km/h
  • C. 52 km/h
  • D. 55 km/h
Correct Answer: A
Explanation:
Harmonic mean = 48 km/h.
Related Question 5
If a train travels 120 km in 2 hours, its speed is ____.
  • A. 50 km/h
  • B. 60 km/h
  • C. 70 km/h
  • D. 80 km/h
Correct Answer: B
Explanation:
Speed = 120/2 = 60 km/h.