Question

a car moves half of its time at 80 km per hour and rest half of time at 40 km per hour the total distance covered by the car is 60 km then what is the average speed of the car

Answer 1

as the car is moving 80 kilometre per hour so 30 minutes it will move 40 km per hour and the rest half of time 40 km per hour and it will move 20 km per hour then 40 km per hour 20 km per hour is equal to 60 km per hour then the average speed is that ok thank you