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 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 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 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 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 car covers half the distance at a speed of 60kmh^(-1) and the other half at a speed of 40kmh^(-1) . The average speed of the car is

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 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 person covers half of his path at a speed of 30 "km.h"^(-1) and the remaining half at 40 "km.h"^(-1) . His average speed is

A car along a starigth line for the first half time with speed 50 kmh^(-1) and the second half time with speed 60kmh^(-1) . Find the average speed of the car.