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1. |
A dog takes 3 leaps for every 5 leaps of a hare. If one leap of the dog is equal to 3 leaps of the hare, the ratio of the speed of the dog to that of the hare is :. |
A. | 8:5 |
B. | 8:7 |
C. | 9:5 |
D. | 9:7 |
Answer» D. 9:7 | |