Question

The average speed of a car which covers half the distance with a speed of 20 m/s and other half with a speed of 30 m/s in equal intervals of time is _________.

Answer 1

I think its speed will be 25m/s

Answer 2

Total speed of the car is 20+30 m/s=50m/s
So 25m/s ans
I think it is right