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1. |
The respective ratio of radii of two right circular cylinders (A & B) is 3 : 2. The respective ratio of volumes of cylinders A and B is 9 : 7, then what are the heights of cylinders A and B? |
A. | 8 : 5 |
B. | 4 : 7 |
C. | 7 : 6 |
D. | 5 : 4 |
Answer» C. 7 : 6 | |