engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Speed Time and Distance Boat and River
A boy rows a boat and covers a distance of 15 km in 3 hours when going upstream. When he goes downstream, he covers a distance of 24 km in 3 hours. Find the speed of the boy in the still water.
1
7 km / h
2
6 km / h
3
6.5 km / h
4
7.5 km / h