other govt exam India Post Postman & Mail Guard Mock Test 2020 Quantitative Aptitude Speed Time and Distance Boat and River
Speed of boat with the stream and against the stream is 18 km/hr and 15 km/hr respectively. Find the approximate speed of boat in m/s?
1
4.5 m/s
2
16.5 m/s
3
9 m/s
4
8 m/s