Question

A passenger train takes one hour less for a journey of 150 km if its speed is increased by 5 km/hr from its usual speed. Find the usual speed of the train.

Answer 1

Given that, if the speed is increased by 5 km/hr from i to usual speed, the train takes one hour less for the same journey

⇒ Speed of the train = (x + 5) km/hr

Now, time is taken by the train after increasing the speed