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[Data Sufficiency]
试题详情
题目：
If S is the sum of the first n positive integers, what is the value of n ?
- S < 20
- S 2 > 220
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:
C
提问：
这题没有思路，麻烦老师讲解一下
解答：
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提问：
这题没有思路，麻烦老师讲解一下
解答：
点赞0
阅读852
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