ABC26GN5005 · Volume and Surface Area

Subject: General Aptitude · Chapter: Volume and Surface Area · Exam: 2006 · Marks: · Difficulty:

If the volume and surface area of a sphere are numerically the same, then its radius is

(a)1 unit

(b)2 units

(c)3 units

(d)4 units

Answer

Answer (as printed): C

Explanation

$\frac{4}{3} \pi r^{3}=4 \pi r^{2} \Rightarrow r=3$.

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

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