A train crosses a platform in 30 seconds travelling at a speed of 72 km/hr. If the length of the train be 120 metres, then what will be the length (in metres) of the platform?

A train crosses a platform in 30 seconds travelling at a speed of 72 k

1.	A train crosses a platform in 30 seconds travelling at a speed of 72 km/hr. If the length of the train be 120 metres, then what will be the length (in metres) of the platform?
A.	320
B.	450
C.	480
D.	360
Answer» D. 360

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A train crosses a platform in 30 seconds travelling at a speed of 72 km/hr. If the length of the train be 120 metres, then what will be the length (in metres) of the platform?

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