state gov Bihar Police Constable (सिपाही) Mock Test Series 2025 Quantitative Aptitude Speed Time and Distance Boat and River
A boat covers 12 km upstream and 18 km downstream covers the distance 3 h, while it covers 36 km upstream and 24 km downstream covers the distance \(6{{1} \over 2}\) hr. What is the speed of the current.
1
2 km/h
2
2.5 km/h
3
1 km/h
4
1.5 km/h