A 400 m long train takes 36 s to cross a man walking at 20 km/h in the direction opposite to that of the train. What is the speed of the train ?

A 400 m long train takes 36 s to cross a man walking at 20 km/h in the

1.	A 400 m long train takes 36 s to cross a man walking at 20 km/h in the direction opposite to that of the train. What is the speed of the train ?
A.	20 km/h
B.	30 km/h
C.	15 km/h
D.	11 km/h
Answer» B. 30 km/h

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A 400 m long train takes 36 s to cross a man walking at 20 km/h in the direction opposite to that of the train. What is the speed of the train ?

A 400 m long train takes 36 s to cross a man walking at 20 km/h in the direction opposite to that of the train. What is the speed of the train ?

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