other govt exam ISRO Assistant Mock Test 2022 Quantitative Aptitude Speed Time and Distance Boat and River
A boat goes downstream in 2/5th of the time it takes to go upstream. The ratio between the speed of the boat in still water and that of the stream is –
1
5 ∶ 7
2
7 ∶ 3
3
8 ∶ 7
4
3 ∶ 7