Data Sufficiency

试题详情

题目:

If x is a positive integer, what is the value of ?
  1. is an integer.
  2. is an integer.

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:

E

提问:

OG解析为什么说X是一个perfect square? 正方形的意思?和解题有什么关系?X等于1或者5是试出来的吗
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