Question

A goods train 350 m long passes through a tunnel of length 1250 m in 80 seconds. What is the speed of the train?

ATQ, Let speed of train be x kmhr, then x 518 350 125020 x 20 185 x 72 kmhr. Speed of train is 72 kmhr.

A 64 km/h

B 56 km/h

C 78 km/h

D 72 km/h

Detailed Solution