SSC SSC Selection Post (Phase 13) 2025 Mock Test Quantitative Aptitude Speed Time and Distance Boat and River
A person can row at 10 km/hr in still water. The speed of the stream is \(1\frac{1}{9}\) m/sec. The time (in hours) taken by him to row a distance of 72 km upstream is:
1
\(5\frac{1}{7}\)
2
\(10\frac{2}{7}\)
3
10
4
12