A solid toy is formed by fixing a hemisphere on the top of a right circular cylinder

MATHEMATICS · Single correct · CBSE · Mathematics · Surface Areas and Volumes · Surface Areas and Volumes

Problem

A solid toy is formed by fixing a hemisphere on the top of a right circular cylinder. Both have radius

3.5\,\text{cm}

, and the total height of the toy is

10.5\,\text{cm}

(including the hemisphere). Find the volume of the toy. (Use

\pi = 22/7

.) (a)

449\,\text{cm}^{3}

(b)

270\,\text{cm}^{3}

(c)

359\,\text{cm}^{3}

(d)

314\,\text{cm}^{3}