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[Data Sufficiency]
试题详情
题目：
The only articles of clothing in a certain closet are shirts, dresses, and jackets. The ratio of the number of shirts to the number of dresses to the number of jackets in the closet is 9:4:5, respectively. If there are more than 7 dresses in the closet, what is the total number of articles of clothing in the closet?
- The total number of shirts and jackets in the closet is less than 30.
- The total number of shirts and dresses in the closet is 26.
选项:
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.
答案:
D
提问：
错选了B。这道题设的是总量为T：dress为：(4/18)*T>7 求出范围为31.5;以此类推。 这样发现计算量有点大 ，有没有比较简便的方法。谢谢
解答：
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提问：
错选了B。这道题设的是总量为T：dress为：(4/18)*T>7 求出范围为31.5;以此类推。 这样发现计算量有点大 ，有没有比较简便的方法。谢谢
解答：
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阅读1048
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