You can also solve this que using a simple formula
Avg Speed = 2xy/x+y
x = 40 and y = 60
Avg Speed = 2 x 40 x 60/100
Avg Speed = 48 km/h
Out of 1900 km, Vishal travelled some distance by bus and some by aeroplane. Bus travels with average speed 60 km/hr and the average speed of aeroplane is 700 km/hr. It takes 5 hours to complete the journey. Find the distance, Vishal travelled by bus.
Lily takes 3 hours to travel from place A to place B at the speed of 60 miles per hour. She takes 2 hours to travel from place B to C with a speed increased by 50 %. Find the average speed from place A to C.
A train travels with a speed of 60km/h from station A to station B and then comes back from B to A with a speed of 80km/h find average speed. and average velocity