defence exam CISF Head Constable Ministerial (HCM) & ASI Steno Mock Test Series Quantitative Aptitude Speed Time and Distance Boat and River
The upstream speed of a boat is 18 km/hr. The speed of stream is 2 km/hr. What is the speed of the boat in downstream?
1
21 km/hr
2
19 km/hr
3
20 km/hr
4
22 km/hr