Symbiosis National Aptitude Test SNAP 2014 Paper

Question : 35 of 150

Marks: +1, -0

A train passes a station platform in 36 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/h, then find the length of the platform.

225 m
235 m
230 m
240 m

Validate

Solution:

Train takes 20 seconds to cover its length and 36 seconds to cross the platform, it mean it has taken 16 second at 54 km/hr to cross the length of platform.
∴ Length of the platform
= Distance × Time
= 54 × 16 km / hr
= 54 × 16 ×

5/{18}

m/s
= 240 m.

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