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标题: 弱弱问几道数学题GWD-1-16 [打印本页]

作者: nyc_cfas 时间: 2009-3-10 07:26 标题: 弱弱问几道数学题GWD-1-16

Q16:

If J, S, and V are points on the number line, what is the distance between S and V?

(1) The distance between J and S is 20.

(2) The distance between J and V is 25.

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.

问什么答案是E？

我认为是C

作者: xp635 时间: 2009-3-10 17:29

可能是5，也可能是45阿

所以E

作者: OceanBleu 时间: 2009-3-10 20:16

It seems that the precise position of each point wouldn’t be located-For instance, V could be either right or left to J-even if both conditions were used. So E.

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