Question

a car moves from Delhi to agra at a uniform speed of 80km/h, and returns back with a speed of 50km/h. find its average speed ​

Answer 1

Answer:

Let ,distance be X in first and,

Time for first = x/80 h

Let, distance be X in second and,

Time for second = x/50h

Total distance is 2x

and total time is x/80 + x/50

Average speed = 800/13 km h -¹