Determine if x is Even

Easy Data Sufficiency Determining Sufficiency

Let $x$ be a positive integer. We want to determine if $x$ is an even number.

Statement (1): $x^2$ is an even number.

Statement (2): $x + 1$ is an odd number.

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 (1) and (2) together are sufficient, but neither statement alone is sufficient.

Each statement alone is sufficient.

Statements (1) and (2) together are not sufficient.

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