The radii of 2 cylinders are in the ratio 2 : 3 and their heights are in the ratio 5 : 3. Then, the ratio of their volumes is: [1]
A. 19 : 20
B. 20 : 27
C. 18:25
D. 17:23
Answer:B
The radii of 2 cylinders are in the ratio 2 : 3 and their heights are in the ratio 5 : 3. Then, the ratio of their volumes is: [1]
A. 19 : 20 B. 20 : 27 C. 18:25 D. 17:23
Explanation: Let r1 and r2 be the two radii and hi and h2 be the corresponding two heights of the two cylinders. Then