Question

a train moving a constant speed covers a distance of 90 km. in 2h . find the time taken by the train to cover a distance of 540km at the same speed.

Answer 1

speed=90km/2hr
           =45kmper hour

time taken=540km/45km
                 =12hour

Answer 2

to cover the distance of 90km time taken by the train is 2hour.
so, to cover the distance of 540km time taken by the train is 2/90×540=12hrs