The volume of a sphere of radius r is obtained by multiplying its surface area by · ABC26GN4994

Subject: General Aptitude · Chapter: Volume and Surface Area

The volume of a sphere of radius $r$ is obtained by multiplying its surface area by

(a)$\frac{4}{3}$

(b)$\frac{r}{3}$

(c)$\frac{4 r}{3}$

(d)$3 r$

Answer

Answer (as printed): B

Explanation

Volume $=\frac{4}{3} \pi r^{3}=\frac{r}{3}\left(4 \pi r^{2}\right)=\frac{r}{3} \times$ Surface area.

Explanation as extracted from the printed page; notation may be imperfect.

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