railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Quantitative Aptitude Speed Time and Distance Boat and River
A man takes \(3 \dfrac{3}{4}\) hours to travel 15 km downstream by boat and \(2 \dfrac{1}{2}\) hours to cover a distance of 5 km upstream. How much time (in hours) will he take to cover a distance of 18 km by boat in still water?
1
6
2
4
3
\(3 \dfrac{3}{5}\)
4
\(5 \dfrac{1}{2}\)