A motorcyclist drives from `A` to `B` with a uniform speed of `30 km h^(-1)` and returns back with a speed of `20 kmh^(-1)`. Find its average speed.

A motorcylist drives from A to B with a unit speed of 30 kmh^-1 and returns back with a of 20 kmh^-1 . Find its average speed.

A motor cyclist drive from A to B with uniform speed of 30km/hour and returns back with a speed of 20 km/hour. Find the average speed.

For a train that travels from one station to another at a uniform speed of 40 kmh^(-1) and returns to final station at speed of 60kmh^(-1) then its average speed is

A train travels from city A to city B with constant speed of 10 m s^(-1) and returns back to city A with a constant speed of 20 m s^(-1) . Find its average speed during its entire journey.

A car travels 30 km at a uniform speed of 40 km/h and the next 30 km at a uniform speed of 20 km/h . Find its average speed.

A train travels from Agra to Delhi with a constant speed of 50 km h^(-1) and returns from Delhi to Agra with a constant speed of 40 km h^(-1) . Find the average speed of the train.

A car travels 30 km at a uniform speed of 40 km//h and the next 30 km at a uniform speed of 20 km//h . Find its average speed.

A train travels from station A to station B at a constant speed of 40 km. h^(-1) and returns from B to A at 60 km . h^(-1) . Find the average speed and average velocity of the train.

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: