A car moves with a speed of `60 km h^(-1) ` for 20 min and then at a speed of `30 km h^(-1)` for the next 20 min. the total distance covered by the car is ____ km.

A car moves with a speed of 40 km/h for 15 minutes and then with a speed of 60 km/h for the next 15 minutes. The total distance covered by the car is:

A car moves with a speed of 40 km/h for 15 minutes and then with a speed of 60 km/h for the next 15 minutes. The total distance covered by the car is:

A car moves with a speed of 40km//h for 15 minutes and then with a speed of 60 km//h for the next 15 minutes. Total distance covered by the car is ?

A car travels with speed 30 km h^(-1) for 30 minutes and then with speed 40 km h^(-1) for one hour. Find the total distance travelled by the car

A car travels with speed 30 km h^(-1) for 30 minutes and then with speed 40 km h^(-1) for one hour. Find the average speed of car

In a journey, a car travels at the rate of 20 km h^(-1) for minutes and then at 30 km h^(-1) for 20 minutes . Find (i) the total distance traveled by the car and (ii) the average speed of the car during the journey.

A car travels 100 km with a speed of 50 km h^(-1) and another 200 km with a speed of 20 km h^(-1)~ . Is the motion uniform ? Find the average speed of the car.