An express train takes 4 seconds to enter tunnel which is 1 km long. I – McqOptions

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1.	An express train takes 4 seconds to enter tunnel which is 1 km long. If it is traveling at 108 km an hour, how long will it take to pass completely through the tunnel ?
A.	33 sec
B.	37.33 sec
C.	36.43 sec
D.	32 sec
Answer» C. 36.43 sec

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