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1. |
The ratio of the volume of two right circular cylinder is 2 : 3. And the ratio of their radius is 1 : 2. Find the ratio of their heights? |
A. | 3 : 4 |
B. | 8 : 3 |
C. | 4 : 3 |
D. | 3 : 8 |
Answer» C. 4 : 3 | |