Question

A Man is traveling in his car from city A to city B and back. In the journey from city A to city B, he is traveling with the constant speed of 40 km/h, and he is traveling with the 45 km/h while he is coming back. The total journey took 3 hours to complete. Find the average speed of the car for the whole journey?

Answer 1

Answer:

$\frac{85}{3}$ km/hr

Explanation:

Average speed = Total distance / Total Time

Average speed = $\frac{40+45}{3}$

= $\frac{85}{3}$