A train 150 metres long takes 20 seconds to cross a platform 450 metres long. The speed of the train in, km per hour is :

A train 150 metres long takes 20 seconds to cross a platform 450 metre

1.	A train 150 metres long takes 20 seconds to cross a platform 450 metres long. The speed of the train in, km per hour is :
A.	00 km/hr
B.	06 km/hr
C.	08 km/hr
D.	04 km/hr
Answer» D. 04 km/hr

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A train 150 metres long takes 20 seconds to cross a platform 450 metres long. The speed of the train in, km per hour is :

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