A train running at 54 km/h crosses a man walking in the same direction at 6 km/h in 15 seconds. Find the length of the train.

Topic: Speed, Time &amp; Distance
Subtopic: Trains

A150 m

B200 m

C225 m

D250 m

Explanation

Relative speed = 54 – 6 = 48 km/h = 48 * (5/18) = 40/3 m/s. Length = Relative Speed * Time = (40/3) * 15 = 200 meters.

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