Question

John walked from town A to Town B at a uniform speed of 4km/hr.When he reached town B ,he was turned back immediately and he walked back to town A along the same road at a uniform speed of 6km/hr.What is his average speed for the whole trip?​

Answer 1

His average speed for the whole trip is 5km/hr

Explanation:

Answer 2

4.8 km/hr

Explanation:

Assume that the distance is 24 km (evenly divisible by 4 & 6)

then the A-B time would be 24/4 or 6 hrs.

on the return the time would be 24/6 or 4 hrs.

total time 10 hrs total distance 48 km....

48/10 = 4.8 km/hr