Question

a train 150m long is running at km/hr how much line will it take to pass a man moving in the same direction at km/hr​

Answer 1

Step-by-step explanation:

Let the speed of the train be x km/hr

Length of the train = 150m=1000150=203km 

and time taken to cross the man = 10 seconds = 60×6010

Relative speed = (x−2) kmph

(Both are moving in same direction)

We know that,

RelativespeedLengthofthetrain = Time taken to cross the man 

Relative speed = 20×13×360

x−2=20×13×360

x=54+2=56 kmph

Hence, speed of train is 56 kmph.

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Answer 2

Answer:

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