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Data Sufficiency Mixed Mastery
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GMAT
GMAT.200 Data Sufficiency Mixed Mastery
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Data sufficiency: x and y are nonzero numbers. What is x + y? Statement (1): xy = 12. Statement (2): x and y are positive integers. Which choice correctly describes the sufficiency of the statements?
A
Statement (2) alone is sufficient to determine x + y, but statement (1) alone is not.
B
Even together, the statements are not sufficient to determine x + y.
C
The two statements together are sufficient to determine x + y, but neither statement alone is sufficient.
D
Statement (1) alone is sufficient to determine x + y, but statement (2) alone is not.
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