A train 50 metres long passes a platform of length 100 metres in 10 seconds. The speed of the train in metre/second is

A train 50 metres long passes a platform of length 100 metres in 10 se

1.	A train 50 metres long passes a platform of length 100 metres in 10 seconds. The speed of the train in metre/second is
A.	50
B.	10
C.	15
D.	20
Answer» D. 20

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A train 50 metres long passes a platform of length 100 metres in 10 seconds. The speed of the train in metre/second is

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