Question

a train travels a distance with a speed of 40km per hour and returns with a speed of 60km per hour. calculate the average speed give answer fast who can answer urgent hai bhaiyo

Answer 1

let the distance be x km.
total time = x/40 + x/60 = 100x/2400 = x/24 hour.
so, average speed = x/(x/24) = 24 km/h..

Answer 2

average speed = total dostance/
total time

time = distance/
speed

apply theese formulas and find the answer