A 280 m long train crosses a platform which is three times of its length, in 6 min 40 s . What is the speed of the train ?

A 280 m long train crosses a platform which is three times of its leng

1.	A 280 m long train crosses a platform which is three times of its length, in 6 min 40 s . What is the speed of the train ?
A.	3.2 m/s
B.	1.4 m/s
C.	2.8 m/s
D.	Cannot be determined
E.	None of the above
Answer» D. Cannot be determined

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A 280 m long train crosses a platform which is three times of its length, in 6 min 40 s . What is the speed of the train ?

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