railway DFCCIL Executive 2025 Mock Test Quantitative Aptitude Speed Time and Distance Boat and River
A man takes twice as long to go upstream as to row downstream. What is the ratio of speed of boat in still water and the speed of stream?
1
3 ∶ 1
2
3 ∶ 2
3
2 ∶ 1
4
4 ∶ 1