Question 18 - Quantitative Practice Test for the GMAT

X, Y and Z are three consecutive whole numbers.
Use the reading aid to determine if there is sufficient data in the two statements below to answer this question: Is their sum evenly divisible by 5?

Statement (1) One and only one of the three variables is divisible by 3. Statement (2) The second variable Y is divisible by 5.

A) Statement (1) by itself is sufficient to answer the question, but statement (2) by itself is not.
B) Statement (2) by itself is sufficient to answer the question, but statement (1) by itself is not.
C) Statements (1) and (2) taken together are sufficient to answer the question, even though neither statement by itself is sufficient.
D) Statements (1) and (2) taken together are not sufficient to answer the question, requiring more data pertaining to the problem.

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