EPFO 2012 Solved Paper

Question : 7 of 100

Marks: +1, -0

A 60 m long train travels at a uniform speed of 72 km/h. Its passes non-stop along the 600 m platform of a wayside station. What is the elapsed time for the train to entirely clear the platform?

30 s
31 s
32 s
33s

Validate

Solution:

Given, length of train = 60 m
Speed of train =

72

km/h
=

72×5/18

= 20 m/s
Langth of platform =

600m

Total distance covered by train = Length of
train + Length of platform
= 60 + 600 = 660 m
∴ required time =

{\total \distance} /{\speed \of \train}

={660/20=33sec}

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