# GMAT 考满分题库

If x and y are positive integers, is x - y > ${x+y}\over{2}$ ?

(1) y < x

(2) x < 2y
• AStatement 1 ALONE is sufficient to answer the question, but statement 2 alone is NOT sufficient.
• BStatement 2 ALONE is sufficient to answer the question, but statement 1 alone is NOT sufficient.
• CBOTH statements 1 and 2 TOGETHER are sufficient to answer the question, but NEITHER statement ALONE is sufficient.
• DEach statement ALONE is sufficient to answer the question.
• EStatement 1 and 2 TOGETHER are NOT sufficient to answer the question. Previous

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