A train, with a uniform speed, crosses a platform, 162 metres long, in 18 seconds and another platform, 120 metres long, in 15 seconds. The speed of the train is

A train, with a uniform speed, crosses a platform, 162 metres long, in

1.	A train, with a uniform speed, crosses a platform, 162 metres long, in 18 seconds and another platform, 120 metres long, in 15 seconds. The speed of the train is
A.	14 km/hr
B.	42 km/hr
C.	50.4 km/hr
D.	67.2 km/hr
Answer» D. 67.2 km/hr

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A train, with a uniform speed, crosses a platform, 162 metres long, in 18 seconds and another platform, 120 metres long, in 15 seconds. The speed of the train is

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