defence exam NDA Group C 2023 Mock Test Quantitative Aptitude Speed Time and Distance Boat and River
A boat takes half time in moving a certain distance downstream than upstream. The ratio of the speed of the boat in still water and that of the current is?
1
2 ∶ 1
2
4 ∶ 3
3
1 ∶ 2
4
3 ∶ 1