other govt exam India Post Postman & Mail Guard Mock Test 2020 Quantitative Aptitude Speed Time and Distance Boat and River
The speed of a boat in downstream is 7.5 km/h and the speed of the current is 3.5 km/h. Find the speed of the boat in upstream.
1
5.5 km/h
2
2.5 km/h
3
4.5 km/h
4
0.5 km/h