A Car Moves For Half Of Its Time At 80 Km/h For Rest Half Of Time At 40 Km/h. Total Distance Covered Is 60. What Is The Average Speed Of The Car?
A car moves for half of its time at 80 km/h for rest half of time at 40 km/h. Total distance covered is 60. what is the average speed of the car?
(1) 60 km/h (2) 80 km/h (3) 120 km/h (4) 180 km/h
asked Jun 15 12:00:00 AM