Question

a motorcyclist drives from A to B with a uniform speed of 30 km per hour and return from place B to a with a uniform speed of 20 km per hour find it average speed

Answer 1

30+20/2=25kmph........

Answer 2

here is ur answer. total distance is 2x as it is a round trip & total time will be found by split time for each trip..............above ans was the whole reason for formula in which u can just add them & div by 2. PS: it was a nice question keep it up.