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


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