Question

A train 120 m long is running at 54 km per hour. In how much time will it pass a bridge 180 meter long​

Answer 1

Answer:

Explanation:

Speed of the train=54*5/18

                              =15 m/s

120+180=300 m

300/15=20 sec

Answer 2

train speed =54*5/18=15m/sec

train is running=120m

it passes a bridge=180 m

120+180=300

so,300/15=20sec

Please follow me!