question_answer

A solid iron pillar has some part in the form of a right circular cylinder and the remaining in the form of a right circular cone. The radius of the base of each part is 8 cm. The cylindrical part is 240 cm high and the conical part is 36 cm high. Find the weight of the pillar, if the density of iron is 7g per\[\mathbf{c}{{\mathbf{m}}^{\mathbf{3}}}\].

A) 354.816 kg       

B) 282.726 kg

C) 322.724 kg              

D) 298.628 kg

E) None of these