Question

a train 150meter long passes an electric pole in 5 seconds how long will it take to cross a bridge of 180 meter long?

Answer 1

for passinb 150 m it takes 5 sec ,so for 180 m it takes x seconds.

x=180*5/150

x=900/150

x=6sec

Therefore it takes 6 sec to cross a bridge of180m long.