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
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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.
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