railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Quantitative Aptitude Speed Time and Distance Boat and River
A boat can travel 15 km upstream and 18 km downstream in 4 hours. If the speed of the stream is 3 km/h then what is the speed of the boat in the downstream direction in km/h?
1
8
2
10
3
14
4
12