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[Data Sufficiency]

试题详情

题目:

In a certain group of 50 people, how many are doctors who have a law degree?

  1. In the group, 36 people are doctors.
  2. In the group, 18 people have a law degree.

The diagram shows that in total of 50 people; ‘x’ are doctors without a law degree while ‘z’ are law degree holders and are not doctors.  One needs to calculate how many are doctors who have law degree (y).

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:

老师这个题我选c,我的理解一开始是36+18-50=4就是医生有学位的人数,但我又仔细想了下,医生的职业,而拥有学位是一个特质,两个性质分类不一样的不能直接拿来计算,有可能这18个有学位的都是医生,我下意识的把这50个人都默认为医生了,老师我的理解这样对吗?什么类型会像我那样计算

解答:

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解答: 徐小梅

提问:

老师这个题我选c,我的理解一开始是36+18-50=4就是医生有学位的人数,但我又仔细想了下,医生的职业,而拥有学位是一个特质,两个性质分类不一样的不能直接拿来计算,有可能这18个有学位的都是医生,我下意识的把这50个人都默认为医生了,老师我的理解这样对吗?什么类型会像我那样计算

解答:

点赞1
阅读1260
解答: 徐小梅老师

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