A train 400 m long passes a pole in 20 seconds. What is the speed of t

1.	A train 400 m long passes a pole in 20 seconds. What is the speed of the train?
A.	70 km/hr
B.	68 km/hr
C.	72 km/hr
D.	64 km/hr
Answer» D. 64 km/hr

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A train 400 m long passes a pole in 20 seconds. What is the speed of the train?

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