Question

A car travels a distance d on a straight road in two hours and then returns to the starting point in next three hours. Its average speed is:-
A. `(d)/(5)`
B. `(2d)/(5)`
C. `(d)/(2)+(d)/(3)`
D. None of these

Answer 1

Correct Answer - B
Average speed `=("total distance")/("total time")=(2d)/(2+3)=(2d)/(5)`