A 200 metres long train crosses a bridge 400 metres long in 40 seconds. What is speed (in km/hr) of the train?

A 200 metres long train crosses a bridge 400 metres long in 40 seconds

1.	A 200 metres long train crosses a bridge 400 metres long in 40 seconds. What is speed (in km/hr) of the train?
A.	70
B.	72
C.	54
D.	65
Answer» D. 65

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A 200 metres long train crosses a bridge 400 metres long in 40 seconds. What is speed (in km/hr) of the train?

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