defence exam Indian Coast Guard Assistant Commandant (GD/CPL) 2025 Test Series Quantitative Aptitude Speed Time and Distance Boat and River
A boat travels 18 km upstream and 14 km downstream in 4 hours. It travels 3 km upstream and 10\(\frac{1}{2}\) km downstream in 1\(\frac{1}{4}\) hour. What is the speed (in km/h) of the stream?
1
4
2
4.5
3
5
4
5.5