In the morning,Aasha biked from home to school at an average speed of x kilometres per hour.In the afternoon,having lent her bike to a friend,Aasha walked back home along the same route at an average speed of 3 kilometre per hour.Her average speed for the round trip was 5 kilometre per hour. What is the value of x?

A car travels from Twon A to Twon B at an average speed of 40 miles per hour, and returns immediately along the same route at an average speed of 50 miles per hour. What is the average speed in miles per hour for the round - trip?

A train travels at an average speed of 50 miles per hour. It travels for 2 1/2 hours.

A car covers a distance in 40 minutes with an average speed of 60 km per hour. The average speed to cover the same distance in 30 minutes is

A 180 metres long train takes 9 seconds to pass a verticle pole. What is the average speed of the train in kilometre per hour?

The average speed of a person in driving to school is 30 km//h . On the return trip along the same rout, the average speed is 25 km//h . What is the average speed for the round trip to the school ?

A man drove to work at an average rate of speed of 60 miles per hour and returned over the same route driving at an average rate of speed of 40 miles per hour. If his total driving time was 1 hour, what was the total number of miles in the round trip?

A car has an average speed of 60 km per hour while going fi'om Delhi to Agra and has an average speed of y km per hour while returning to Delhi from Agra (by travelling the same distance). If the average speed of the car for the whole journey is 48 km per hour, then what is the value of y ?

The distance between cities A and B car travels from A to B at 60 miles per hour and returns from B to A long the same route at 40 miles per hour. What is the averge speed for the round trip?

An automobile driver travels from plane to a hill station, a distance of 120 km at an average speed of 30 km per hour. He then makes the return trip at an average speed of 25 km per hour. He covers another 120 km distance on plane at an average speed of 50 km per hour. His average speed over the entire distance of 360 km will be :