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2021年公务员考试行测练习:数字推理(178)-国家公务员考试网
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2021年公务员考试行测练习:数字推理(178)

发布时间:2021-09-02 09:43:07 作者:
1.

100,102,113,124,( )

A.129

B.130

C.131

D.135

2.

A.

B.

C.

D.

3.

2,3,7,16,65,321,( )

A.4542

B.4544

C.4546

D.4548

4.7.1,8.6,14.2,16.12,28.4,( )

A.32.24

B. 30.4

C. 32.4

D. 30.24

5.

2,6,21,109,768,( )

A.8448

B.8450

C.8452

D.8454

答案与解析

1.答案:

解析:

按数位划分后,每一项的个十百位上的数字相加和分别为1、3、5、7,所以下一个数的个十百位和是9,选项中只有135满足条件,故正确答案为D。

2.答案:

解析:

\

3.答案:

解析:

4.答案:

解析:

>后一项的整数部分为前一项的整数部分和小数部分之和,后一项的小数部分为前一项的整数部分和小数部分之差。所以,最后一项的整数部分为>28+4=32,小数部分为>28-4=24。因此,本题答案选择>A选项。

5.答案:

解析:

原数列有如下关系:2×2+2=6,6×3+3=21,21×5+4=109,109×7+5=768,故下一项为768×11+6,根据首尾数法可知,该值的尾数为8×1+6的尾数,即为4。


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