Is n divisible by 12 ?
(1) ~$\frac{n}{6}$~ is an integer.
(2) ~$\frac{n}{4}$~ is an integer.
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
EACH statement ALONE is sufficient.
Statements (1) and (2) TOGETHER are NOT sufficient.
(1)又可以得出6,又可以得出12. 答案不唯一 insufficient
(2)又可以得出4,又可以得出12,答案又不唯一,insufficient
结合起来,得出12, 选C