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Find x. Statements: (I) x + 5 = 12. (II) x is a positive integer.

AII alone suffices; I does not
BI alone suffices; II does not
CBoth needed together
DInsufficient even together
Answer & Solution
Correct answer: B. I alone suffices; II does not
I givesx=7. II permits every positive integer, so does not fixx.
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