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A train 320 m long is travelling at a uniform speed of 66km/hr. If it passes a platform in 42 seconds,find the length of the platform.

Answers (1)

D Deependra Verma

Speed of the train=66km/hr= $[66 imesfrac518]=frac553m/sec$
Distance covered by the train in 42 seconds= $[frac553m/sec] imes42sec=770m$
$herefore$ The length of the platform+Length of train=770m
$Rightarrow$ length of platform $=770m-320m=450m$

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