Question

A train of length 150 metres takes 40.5 seconds to cross a tunnel of length 300 metres. The speed of the train in kmph is ​

Answer 1

Step-by-step explanation:

Length of the train=150 m

Length of the tunnel=300 m

Total length crossed by the train=150+300=450 m

Total time taken=40.5 second

So speed of the train=450/40.5m/s

=450/40.5×(36/10)

=40 km/ h=40 kmph.(answer)

hope you got it.