GMAT Data Sufficiency
If x is an integer, is 3x + 7 even?
(1) (x – 5)(x + 1) = 0
(2) x is a factor of 105.
- 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 statement TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
- D EACH statement ALONE is sufficient.
- E Statements (1) and (2) TOGETHER are NOT sufficient.
Correct Answer: D