2012 · Q90
10 circular plates each of thickness 3 cm each are placed one above the other and a hemisphere of radius 6 cm is placed on the top just to cover the cylindrical solid. What is the volume of the solid so formed?
Elementary MathematicsMensuration
- A264*pi cubic cm
- B252*pi cubic cm
- C236*pi cubic cm
- DNone of the above
Explanation
Volume = pi*36*30 + (2/3)*pi*216 = 1224*pi, which is not listed.