GMAT 考满分题库

If $$abcd \neq 0$$, is $$ab^2c^3d^4 < 0$$?

(1) $$ab^2c^3 < 0$$

(2) $$b^2c^3d^4 < 0$$
  • AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
  • BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
  • CBoth statements TOGETHER are sufficient, but NEITHER one ALONE is sufficient.
  • DEACH statement ALONE is sufficient.
  • EStatements (1) and (2) TOGETHER are NOT sufficient.
显示答案
正确答案: A

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