state gov Bihar Vidhan Sabha Security Guard Mock Test 2024 Quantitative Aptitude Speed Time and Distance Boat and River
A person rows a boat 11 km in 5 hours downstream and returns upstream in 7 hours. What is the speed of the stream in km/h?
1
\(\frac{11}{27}\) km/h
2
\(\frac{11}{28}\)km/h
3
\(\frac{11}{35}\)km/h
4
\(\frac{11}{38}\)km/h