Question

. A motorcyclist drives from place A to B with a uniform speed of 30 km h- and returns from place B to A
with a uniform speed of 20 km h-1. Find his average speed.
​

Answer 1

Explanation:

Refer the attachment ❤️

Answer 2

HEY MATE THIS IS UR ANSWER

Let the length of the line segment AB be x m

The time taken is given as t=distance covered/speed

Total time = t1 + t2 = x/30 + x/20 = 5x/60h

Average speed = Total distance/ Total time

=====> 2x/5x/60h = 24 km/h