# A motorcycle drives from place AtoB with a uniform speed of 30 km/h and returns from place BtoA with a uniform speed of 20km/h find his average speed.

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by Ambrish806

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by Ambrish806

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Then, given speed₁ = 30 km/hr and speed₂ = 20 km/hr

therfore, time₁ = d/s = x/30 and time₂ =x/20

so Average speed = total distance/total time

=x + x/ x/30 + x/20

on solving i get 24 km/hr....................hence solved..