What is x + y? (1) x = 4 (2) x + 2y = 10
AStatement (1) alone is sufficient; (2) is not.
BStatement (2) alone is sufficient; (1) is not.
CBoth statements together are sufficient; neither alone is.
DEach statement alone is sufficient.
EStatements together are not sufficient.
Answer & Solution
Correct answer: C. Both statements together are sufficient; neither alone is.
1. Together: 4 + 2y = 10 → y = 3, x+y = 7.
_Source: 501-GMAT-Questions Ch DS / Manhattan Quant Bank_
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