A train 150 m long passes an electric pole in 5s. How long will it take to cross a bridge of 180 m length?

A train 150 m long passes an electric pole in 5s. How long will it

1.	A train 150 m long passes an electric pole in 5s. How long will it take to cross a bridge of 180 m length?
A.	10 s
B.	11s
C.	20 s
D.	30 s
Answer» C. 20 s

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A train 150 m long passes an electric pole in 5s. How long will it take to cross a bridge of 180 m length?

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