Home » Aptitude » Problems on Trains

A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is:

Correct Answer: 50 km/hr

Explanation:

Speed of the train relative to man = 125 ❩m/sec
10



   = 25 ❩m/sec.
2



   = 25 x 18 ❩km/hr
2 5


   = 45 km/hr.


Let the speed of the train be x km/hr. Then, relative speed = (x - 5) km/hr.


x - 5 = 45     ⟹     x = 50 km/hr.


← Previous Question Next Question→

More Questions from Problems on Trains

Discussion & Comments

No comments yet. Be the first to comment!
Join Discussion