state gov Odisha Police Constable Mock Test 2024 Quantitative Aptitude Speed Time and Distance Boat and River
A boat man can row 5 km against the stream in 30 minutes and return in 20 minutes. Find the rate of current?
1
2 km/hr
2
\(2 {1 \over2}\) km/hr
3
5 km/hr
4
\(7 {1 \over2}\) km/hr