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2021年公务员考试每日练习:数量关系<96>-国家公务员考试网
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2021年公务员考试每日练习:数量关系<96>

发布时间:2021-05-15 09:24:10 作者:
1.

有七位考官对一位应聘者评分,如果去掉一个最高分和一个最低分,则平均分为7分;如果只去掉一个最高分,则平均分为6.75分;如果只去掉一个最低分,则平均分为7.25分。那么,这位应聘者所得的7个分数中,最高分与最低分的差值为( )分。

A.1.5

B.2

C.3

D.3.5

2.

将一个白色正立方体的任意2个面分别涂成绿色和红色,问能得到多少种不同的彩色正立方体?( )

A.2

B.4

C.6

D.8

3.

A.6

B.8

C.10

D.12

4.

3/15,1/3,3/7,1/2,( )

A.5/8

B.4/9

C.15/27

D.-3

5.3,6,11,18,( )。

A.27

B.29

C.30

D.28

答案与解析

1.答案:

解析:

2.答案:

解析:

先将一面涂成绿色,再去选择一面涂红色。只有两种情况:一是绿色红色相邻,二是绿色红色相对。故正确答案为A。

3.答案:

解析:

4.答案:

解析:

原数列可化为1/5、2/6、3/7、4/8、( ),分子分母均是公差为1的等差数列,因此原数列下一项为5/9,即15/27,故正确答案为C。

5.答案:

解析: 二级等差数列,后一项减前一项得到:3、5、7、( 9 ),以2为公差的等差数列,后一项为9,未知项=18+9=27。因此,本题答案为A选项。


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