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A train of length 250 m crosses a bridge...

A train of length 250 m crosses a bridge of length 150 m in 20 sec.What is the speed of train?

A

A) 20 m/s

B

B) 21m/s

C

C) 22 m/s

D

D) 24 m/s

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A train of length 250 m crosses a bridge of length 150m in 20 seconds. What is the speed of train?

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