A car travels from A to B at a speed of `20 km//hr` and returns at a speed of `30 km//hr`. The average speed of the car for the whole journey is

A car travels a distance from A to B at a speed of 60 km h^-1 and returns to A at a speed of 30 km h^-1 . The average speed of the car for the whole journey is:

A motorist travels from A to B at a speed of 40 km//hr and returns at a speed of 60 km/hr. His average speed will be:

A car travels a distance AB at a speed of 40 km/hr and returns to A at a speed of 30 km/hr. What is the average speed for the whole journey?

A car travels a distance AB at a speed of 40 km/hr and returns to A at a speed of 30 km/hr. What is the average speed for the whole journey?

A car travels a distance A to B at a speed of 40km/h and returns to A at a speed of 30km/h (i)what is the average speed for the whole journey (ii)what is the average velocity ?

A car travles a distance A to B at a speed of 40km//h and returns to A at a speed of 30km//h . (i) What is the average speed of the whole journey? (ii) What is the averege velocity?

A man travels at a speed of 20 Km/hr. and then returns at a speed of 30 Km/hr. His average speed of whole journey is

A man travels at a speed of 20 Km/hr. and then returns at a speed of 30 Km/hr. His average speed of whole journey is

A car travels from City A to City B at a speed of 40km/hr and from B to A at a speed of 60km/hr. What is the average speed of the car?