Question

A body moves from A to B with speed 10 mls. & comes back to A with speed 5mls find average Speed​

Answer 1

Answer:

Correct option is

B

24kmh−1

Let distance from A to B be x

Time for travel from A to B= x/20

Time for travel from B to A= x/30

Hence,speed for total distance 2x is: 30x+20x2x=5x2x×60=24 km\hr