# A car travels equal distances in the same direction with velocities 60kmh −1 , 20 km h −1 and 10 km h −1 respectively. The average velocity of the car over the whole journey of motion is

Question: A car travels equal distances in the same direction with velocities 60kmh −1 , 20 km h −1 and 10 km h −1 respectively. The average velocity of the car over the whole journey of motion is

(A) $8ms^{-1}$

(B )$7ms^{-1}$

(C) $6ms^{-1}$

(D) $5ms^{-1}$