A motor car travels with the speed V₁ from A to B and returns back from B to A with a speed V₂. The average speed of the car during its journey is:
Let distance between “A and B” be d.
Average speed =Total distance/Total time
= 2V₁.V₂/ V₁ + V₂
Share
[C] 2V₁.V₂/ V₁ + V₂