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1. |
A person can row a boat 32 km upstream and 60 km downstream in 9 hours. Also, he can row 40 km upstream and 84 km downstream in 12 hours. Find the rate of the current. |
A. | 3 kmph |
B. | 2.5 kmph |
C. | 1.5 kmph |
D. | 2 kmph |
Answer» E. | |