GMAT Data Sufficiency
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Source: GWD
Level: 3
If n and k are positive integers, is n divisible by 6?
(1)n = k(k + 1)(k - 1)
(2)k - 1 is a multiple of 3.
- 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.