【GMAT考满分数据洞察DS题库】If the average (arithmetic mean) of four number_真题_答案

题目内容

If the average (arithmetic mean) of four numbers is 150, how many of the numbers are equal to 150?

(1) None of the four numbers is less than 150.

(2) None of the four numbers is greater than 150.

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 statement ALONE is sufficient.
DEACH statement ALONE is sufficient.
EStatements (1) and (2) TOGETHER are not sufficient.

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正确答案: D

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