Teaching EMRS JSA (Junior Secretariat Assistant) Mock Test Series 2023 Quantitative Aptitude Speed Time and Distance
A man covers half of a certain distance at a speed of 20 km/h. He covers 60% of the remaining distance at the speed of 15 km/h and the remaining distance at the speed of 10 km/h. What is his average speed for the entire journey?
1
400/13 km/h
2
200/13 km/h
3
380/13 km/h
4
120/13 km/h