A person divides his journey into 3 equal parts and decides to travel 3 parts with the speed 40, 30, 15 km/hr respectively. What is the average speed of the journey?
Reveal answer
Fill a bubble to check yourself
A person divides his journey into 3 equal parts and decides to travel 3 parts with the speed 40, 30, 15 km/hr respectively. What is the average speed of the journey?