defence exam CISF Constable Fireman Mock Test 2024 Quantitative Aptitude Speed Time and Distance Boat and River
A boat goes 80 km upstream in 16 hours and 72 km downstream in 12 hours. The speed of the boat in still water is:
1
6.6 km/hour
2
7.5 km / hour
3
6.5 km / hour
4
5.5 km / hour