Question

A car moving through a 120km at a speed of 40km/hr and return back at the speed of 60km/hr find its average speed

Answer 1

Average speed = 40kmhr+60 km/hr
_______________
2
=100 Km /hr
___________
2
=50km/hr

Answer 2

the total distance covered by the car due to the to and fro joirney is 120+120=240 km

total time taken = 240/60 + 240/40
4+6 h= 10 h

average spped =
total distance travelled / total time taken
=240/10
=24 km/h

i hope it helps u : )