Question

if i travel from mumbai to pune 150 km in 4 hours via the express high way and reatern to mumbai via the old high way 250 km in 6 hours calculate the average velocity during the entire journey ​

Answer 1

Explanation:

SOLUTION

He travels by car with different speed.

For first hour, 60km/hr

For second and third hour, 80km/hr

For fourth hour, 100km/hr

For fifth hour, 40km/hr

Average speed = 72 km/hr

Hence, Option D is correct.