Question

A car moves from station A to station B with a velocity of 40 km/ hr and back with a velocity of 60 km /h find the average velocity if the car​

Answer 1

$average \: velocity \\ = total \: displacement \div total time taken$

as over here the displacement is 0 because the car came back to station A after going to station B

Thus the avg velocity=0

hope it helps u