Data Sufficiency — Is the integer $n$ even? (1) $n = 2k$ for some inte…

Question

Data Sufficiency — Is the integer $n$ even?
(1) $n = 2k$ for some integer $k$.
(2) $n$ is the product of two consecutive integers.

Accepted Answer

D. EACH statement ALONE is sufficient

(1) n=2k is even — sufficient. (2) the product of two consecutive integers is always even — sufficient. Each alone works, so the answer is D.

Answer

Statement (1) ALONE is sufficient, but (2) alone is not

Answer

Statement (2) ALONE is sufficient, but (1) alone is not

Answer

BOTH together are sufficient, but neither alone is

Data Sufficiency — Is the integer $n$ even? (1) $n = 2k$ for some integer $k$. (2) $n$ is the product of two consecutive integers.