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标题: gwd-17-10 [打印本页]

作者: bluevironikas 时间: 2007-3-1 07:24 标题: gwd-17-10

Q10:

Was the average (arithmetic mean) weight of the package mailed at a certain post office yesterday greater than 600 grams?

(1) The total weight of the packages mailed at the post office yesterday was greater than 14,500 grams.

(2) Fewer than 25 packages were mailed at the post office yesterday.

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.

Answer: c

这道题算出来最小值是580

但是答案为什么是c？

作者: strawdog 时间: 2007-3-1 11:06

fewer than 25 means at most 24, it's more than 600 when 14,500 divided by 24.

作者: bluevironikas 时间: 2007-3-3 15:46

哦原来是这样我用25来算

谢谢

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