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1. |
Mohana can row 80km upstream and 110km downstream in 26 hrs. Also she can 60km upstream and88km downstream in 20 hrs. Find the speed of the girl in still water and the speed of the current in ratio: |
A. | 5:6 |
B. | 3:7 |
C. | 7:9 |
D. | 8:3 |
Answer» E. | |