Question

A car travels half the distance with constant velocity of 40 kmph and the remaining half with a constant velocity of 60 kmph. The average velocity of the car in kmph is

• A. 40
• B. 45
• C. 48
• D. 50

Answer 1

Answer: (C)

48

Answer 2

$v_{av} = \frac{2v_{1}v_{2}}{v_{1} + v_{2}} = \frac{2 \times 40 \times 60}{100} = 48kmph.$