If the volume and surface area of a sphere are numerically the same, then its radius is:? Choose the correct choice from the following answers
A) 2	B) 4	C) 1	D) 5	E) 3

Rationale: 4 / 3 π r ( power 3 ) = 4 π r ( power 2 ) r = 3 answer is e .
Answer: E