state gov Punjab Police SI Mock Test 2023 Quantitative Aptitude Speed Time and Distance Boat and River
Sudha can row 18 km/h in still water. She finds that it takes her just three times as long to row up as to row down the stream. What is the speed, in km/h, of the stream?
1
9
2
\(8\frac{1}{2}\)
3
8
4
\(9\frac{1}{2}\)