other govt exam India Post Postman & Mail Guard Mock Test 2020 Quantitative Aptitude Speed Time and Distance Partial Speed
A man complete 45 km of a journey at the speed of 3 km/h and the remaining 50 km of the journey in 4 hours. His average speed for the whole journey is
1
5 km/h
2
\(6\frac{4}{{11}}\) km/h
3
8 km/h
4
7.5 km/h