Question

a car Travels at a speed of 40 km per hour for 2 hour and then at 60 km per hour for 3 hours what is the average speed of the car during the entire journey​

Answer 1

speed=distance/travel time

distance=2*40+60*3

              =80+180

              =260 km

travel time=2+3=5 hrs

∴ average speed during the whole journey=260/5

                                                                   =52