Selected MCQ

Current Question
A train traveling at 40 km/h reaches its destination in ____.distance?
  • A. 30 km
  • B. 40 km
  • C. 70 km
  • D. 80 km
Correct Answer: C
Explanation:
Distance = speed × time.
Related Question 1
If a train travels 60 km in 1 hour, how much distance will it cover in 45 minutes?
  • A. 30 km
  • B. 40 km
  • C. 45 km
  • D. 50 km
Correct Answer: C
Explanation:
45 min = ¾ hr ⇒ distance = 60×¾ = 45 km.
Related Question 2
Two boys walk at 5 km/h and 5.5 km/h. Time difference after same distance is ____.
  • A. 17 hr
  • B. 14 hr
  • C. 12 hr
  • D. 19 hr
Correct Answer: A
Explanation:
Relative speed difference.
Related Question 3
A tower of height 15 m makes an angle of elevation 60°. Find the distance from the base.
  • A. 5 m
  • B. 8 m
  • C. 10 m
  • D. 12 m
Correct Answer: C
Explanation:
tan60 = h/d → d = 15/√3 = 10 m.
Related Question 4
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 5
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.