SSC Delhi Police Head Constable (Ministerial) 2025 Mock Test (New) Quantitative Aptitude Speed Time and Distance Boat and River
A boat can go 7.5 km upstream and 9 km downstream in 2 hours. Apart from this, it can go 9 km upstream and 15 km downstream in 2 hours 45 minutes. What is the speed of the stream in km/h?
1
1
2
2.5
3
3
4
3.5