question_answer

The ratio of base radius and height of a cone is 3 :4. If the cost of smoothening the curved surface area at 5 paise/sq cm is ` 115.50, find the volume of cone.

A)  \[\text{12963}\,\text{c}{{\text{m}}^{\text{3}}}\]                            

B)  \[\text{12693}\,\text{c}{{\text{m}}^{\text{3}}}\]

C)  \[\text{12936}\,\text{c}{{\text{m}}^{\text{3}}}\]            

D)         \[\text{12639}\,\text{c}{{\text{m}}^{\text{3}}}\]