A person divides his total distance of journey into three equal parts and decides to travel the three parts with speeds of 20, 25 and 30 km/hr. Find his average speed. (in km/hr).
1
900/37 km/hr
2
12 km/hr
3
9.25 km/hr
4
200/27 km/hr
A person divides his total distance of journey into three equal parts and decides to travel the three parts with speeds of 20, 25 and 30 km/hr. Find his average speed. (in km/hr).