Q22:
If x is negative, is x < -3?
(1) x2 > 9
(2) x3 < -9
A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.
Why answer is A? (1) get x > 3 or x <-3, then it's insufficient
My answer is C, please comment, thanks
Nevermind, I didn't read the questiona carefully. Answer is A[em04]
[此贴子已经被作者于2005-1-24 8:22:27编辑过] |