Question

J travelled from Mumbai to Delhi at a certain constant speed and returned at a certain constant speed. His average speed for the entire trip was the average of his onward and return speeds. He travelled distance of 2400 km in 16 hours. Find his onward speed in kmph

Answer 1

Step-by-step explanation:

in comparison of average speed , time remains same for both the trips so from Delhi to Mumbai time taken to travel is 8h

Rs = distance/time

Rs = 1200/8

i.e 150

Answer 2

Answer:  Since the average speed on both journeys is the same, the travel duration between Delhi and Mumbai is 8 hours.

Rs = length/speed

Rs = 1200/8

i.e 150

Step-by-step explanation: