2013 · Q62
From a solid wooden right circular cylinder, a right circular cone whose radius and height are same as the radius and height of the cylinder respectively is carved out. What is the ratio of the volume of the utilized wood to that of the wasted wood?
Elementary MathematicsMensuration
- A1:2
- B2:1
- C2:3
- D1:3
Explanation
Utilized=cone=(1/3); wasted=(2/3); ratio=1:2. Answer A.