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/hr, what is the length of the platform?
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Speed = 54 * 5 / 18 m / sec = 15 m / sec
length of the train = ( 15 * 20 ) m = 300 m
let the length of platform be x metres
Then, ( x + 300 )/ 36 = 15
x + 300 = 540
x = 540 - 300
x = 240 (Answer)
HOPE ITS HELP
length of the train = ( 15 * 20 ) m = 300 m
let the length of platform be x metres
Then, ( x + 300 )/ 36 = 15
x + 300 = 540
x = 540 - 300
x = 240 (Answer)
HOPE ITS HELP
ica0511:
Morgan
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