# GMAT 考满分题库

If wxyz ≠$\neq$0, does wxyz = 1?

(1) w = $\frac{1}{x}$ , y = $\frac{1}{z}$

(2) w$x^2$ = $1\over{xyz}$
• 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.

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