Question

A train going at 60 km/hr requires 4 hours to reach Jaipur from Delhi. How much time would it required if the speed is 80 km /hr how much time would a passenger train travelling at 40 km /hr required to go to Jaipur from Delhi​

Answer 1

Travelling at 60 km/h the distance covered in 8 hours is 480 km.

Now if 480 km are to be covered in 6 hours, the speed of the train has to be 480/6 = 80 km/hr.

So the train has to travel 20 km/hr faster or 33.33% faster than the previous speed.

Answer 2

Answer:

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