Question

A motor bike travel from at b with speed 60km/hr and returns back with40km/hr What is the average speed

Answer 1

Hey friend here is your answer


⊙ 1/v = 1/v1+1/v2

⊙ 1/v = 1/60+1/40

⊙ 1/v = 5/120

⊙ 5v=120

⊙ v=20km/h





$hope \: it \: helps \: you$