A train 300 m long crossed a platform 900 m long in 1 minute 12 seconds. The speed of the train in km/hr was:

A train 300 m long crossed a platform 900 m long in 1 minute 12 seconds. The speed of the train in km/hr was: 


A. 45

B. 50

C. 54

D. 60

ANSWER : 60 


Train

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