Question

A motorcyclist from a to b with a uniform speed of 60 km^h-1 and return back with a speed of 40 km^ h-1. find its average speed​

Answer 1

hope it helps u .................

Answer 2

Answer:

it's average speed is total distance /total time taken

Explanation:

let the distance between a and b is x

then the total distance = 2x

total time taken = x/60 + x/40

= 2x/ x/60+x/40

= 2x/ 5x/120

= 48 ans

hope I am able to clear your doubt