A man observed that a train 120 m long crossed him in 9 seconds. The speed (in km/hr) of the train was

A man observed that a train 120 m long crossed him in 9 seconds. The s

1.	A man observed that a train 120 m long crossed him in 9 seconds. The speed (in km/hr) of the train was
A.	42
B.	45
C.	48
D.	55
Answer» D. 55

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A man observed that a train 120 m long crossed him in 9 seconds. The speed (in km/hr) of the train was

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