BANK IBPS Clerk (Pre + Mains) Mock Test 2024 Quantitative Aptitude Speed Time and Distance Boat and River
A boat can go 18 km downstream and 21 km upstream in 9 hours. Also, it can go 27km downstream and 15km upstream in 8 hours. What is the speed of boat downstream in km/hr ?
1
18 km/hr
2
3 km/hr
3
6 km/hr
4
9 km/hr
5
12 km/hr