other govt exam India Post Postman & Mail Guard Mock Test 2020 Quantitative Aptitude Speed Time and Distance Average Speed
Sohan travels 1/3 of the distance on a straight road with a velocity of 60 km/h, the next 1/3 with a velocity of 20 km/h and the last 1/3 with a velocity of 10 km/h. What is the Average velocity of the Sohan for the whole journey?
1
23 km/h
2
28 km/h
3
18 km/h
4
13 km/h