A train 150 m long takes 20 seconds to cross a platform 450 m long. Th – McqOptions

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1.	A train 150 m long takes 20 seconds to cross a platform 450 m long. The speed of the train is
A.	20 m/s
B.	25 m/s
C.	30 m/s
D.	40 m/s
Answer» D. 40 m/s

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