Question

A bus travels first half of its distance
with a speed of 40 km/h and next
half with a speed of so km/h


Find avg = speed of the bus​

Answer 1

First Half of Journey = Distance = 40 km,, Speed = 40 km/h , TimeTaken = 60 minutes.. Second Half of Journey = Distance = 40 km, Speed = 60 km/h, Time Taken = 40 minutes. 1.2 minutes per km x 40 km , Therefore Average Speed of Journey = 48 km/h

this is the answer