Question

- A bus travels one third of the distance with a speed
of 12 km h-1 and the remaining distance with a speed
of 20 km h-1. The average speed of the bus is ??

Answer 1

Suppose the total distance is 'x'

To find the average SPEED;  Average speed=total distance/ total time

So we need to find the total distance covered and the time required to cover that distance.

       So follow these steps