The volume of a sphere is to be tripled without changing its shape

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

Problem

The volume of a sphere is to be tripled without changing its shape. By what factor must its radius be multiplied? (a)

3

(b)

\sqrt[3]{3}

(c)

\sqrt3

(d)

\dfrac32