A train 400 m long can cross an electric pole in 20 sec and then fi – McqOptions

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1.	A train 400 m long can cross an electric pole in 20 sec and then find the speed of the train?
A.	71 kmph
B.	72 kmph
C.	73 kmph
D.	74 kmph
Answer» C. 73 kmph

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