【GMAT考满分数据洞察DS题库】The average test score in a class of four stude_真题_答案

题目内容

The average test score in a class of four students is 100. If no scores are negative, how many students scored less than 90?

(1) Two students each scored 155 on the test.

(2) The median score of the class is 105.

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: C

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