A 240 m long train, moving at an average speed of 54 km / h, crosses a platform in 30 s. A man crosses the same platform in 120 s. What is the speed (in km / h) of the man?

A 240 m long train, moving at an average speed of 54 km / h, crosses a

1.	A 240 m long train, moving at an average speed of 54 km / h, crosses a platform in 30 s. A man crosses the same platform in 120 s. What is the speed (in km / h) of the man?
A.	6.3
B.	7.2
C.	5.7
D.	6.8
Answer» B. 7.2

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A 240 m long train, moving at an average speed of 54 km / h, crosses a platform in 30 s. A man crosses the same platform in 120 s. What is the speed (in km / h) of the man?

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