state gov DSSSB Junior Secretariat Assistant Mock Test 2021 (Old) Quantitative Aptitude Speed Time and Distance Average Speed
A man divided his journey into three parts of distances of 36 km, 40 km and 54 km. He travelled the distances at the speeds of 12 km/h, 10 km/h and 9 km/h respectively. What was his average speed during the entire journey?
1
20 km / hr
2
10 km / hr
3
13 km / hr
4
15 km / hr