The radii of two cylinders are in the ratio 2:3 and their heights are in the ratio 5 : 3. The ratio of their volumes is
1. 10 : 17
2. 20 : 27
3. 10 : 27
4. 20 : 37
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2. 20 : 27
\(\cfrac{v_1}{v_2}=\cfrac{\pi(2x)^ 2.5y}{\pi(3x)^2.3y}\)
\(=\frac{20}{17}\)