question_answer

From a solid cylinder whose height is 12 cm and diametre 10 cm a conical cavity of same height and of same diametre is curved out. Find the total surface area of the remaining Solid.

A)  \[670\,\,c{{m}^{2}}\]                         

B)  \[770\,\,c{{m}^{3}}\]

C)  \[660\,\,c{{m}^{2}}\]

D)  \[780\,\,c{{m}^{2}}\]

E)  None of these