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10月21日韬正每日行测真题(数量关系)

  • 2026-11-05 11:19:48
10月21日韬正每日行测真题(数量关系)
1.(2026年真题)某单位从所有职工中随机选3人参加某个会议,张立和李磊2人中只有1人被选中的概率是2人均被选中概率的30倍。问该单位有职工多少人?

A 15

B 17

C 29

D 33

点击下方

查看答案

答案:D。解析:

2.(2026年真题)一块梯形场地如下图所示,已知OA=0.6OD,现在需要将这块场地拓展为一块长方形场地,问扩展后场地面积比原来至少增加:

A 20%

B 25%

C 40%

D 50%

答案B。解析:

3.(2026年真题)甲和乙办公室各有4名职工,乙办公室职工平均年龄为32岁。现从甲办公室调动1人到乙办公室,2个办公室职工平均年龄都增加了2岁。问调动后甲办公室职工的平均年龄为多少岁?

A 50

B 48

C 46

D 44

答案:A

设调动后甲办公室职工的平均年龄为x岁,则调动前甲办公室职工的平均年龄为(x-2)岁,根据甲办公室减少人员年龄等于乙办公室增加人员年龄,可列式:

4(x-2)-(4-1)x

=(4+1)×(32+2)-32×4,解得x=50,即调动后甲办公室职工的平均年龄为50岁。

故正确答案为A。

4.(2026年真题)某社区干部每周一参加工作例会,每月10日、20日接访群众。已知8月与9月共有2次接访群众与工作例会在同一天,问当年9月1日是:

A 周三

B 周二

C 周六

D 周五

答案:C。解析:

根据题意可知,8月10日、20日,9月10日、20日,这4天中有2天既接访群众又参加工作例会,即这4天中仅有2天是周一。这4天中相邻2天间隔天数依次为10天、21天、10天,21天为7的倍数,则仅8月20日与9月10日的星期数相同,故8月20日与9月10日为周一,则9月3日为周一,9月1日为周六。

故正确答案为C。

5.(2026年真题)某新技术论坛在3个分会场安排4个领域的12场报告,安排如下表。小华希望在同一天听4个领域的报告各1场,问他有多少种不同的选择方式?

A 6

B 8

C 10

D 12

答案:D。解析:

首先,芯片制造仅在10:30-12:00时间段有,分会场二、三选择一场,选择方式有

种;其次,6G通信仅在14:30-16:00、16:30-18:00时间段有,选择方式有

种。若6G通信选定在下午其中一个时间段,则下午另外一个时间段只能从人工智能和网络安全选择1种。分类讨论如下:

①若选择人工智能,则8:30-10:00时间段只能选择网络安全1种;

②若选择网络安全,则8:30-10:00时间段可在分会场一、分会场三中选择一场人工智能,选择方式有2种。

综上,选择方式有

种。

故正确答案为D。

6.(2025年真题)张某8:00开车从A地出发,在A、B两地之间往返行驶。8:30第一次到达A、B之间的C点时加速30%继续行驶,并于9:00第二次到达C点。问AC距离是BC距离的多少倍?

A :10/13

B:13/10

C:20/13

D :13/5

答案:C。解析:

设张某出发时的速度为v,8:00从A地出发,8:30到达C点,则AC间的路程共用时30分钟。根据公式:路程=速度×时间,则AC距离为30v。8:30到达C点后,加速30%继续行驶,并于9:00第二次到达C点。则可知张某在BC间往返共用时30分钟,即单程用时15分钟,速度变为1.3v,则BC距离为

。故AC距离是BC距离的

倍。

故正确答案为C。

7.(2025年真题)张、王、李、赵4人的平均年龄为28岁,张、王的年龄之和比李大25岁,李、赵的年龄之和比张大27岁。已知张比王大2岁,问他们4人中年龄最大的比最小的大几岁?

A 5

B 6

C 3

D 4

    答案:B。解析:

    根据题意可列方程组:,

    解得:王=27,张=29,李=31,赵=25。

    因此4人中年龄最大的李(31岁)比最小的赵(25岁)大31-25=6岁。

    故正确答案为B

    8.(2025年真题)

    答案:A。解析:

    9.(2025年真题)小王计划在7天假期自学甲、乙两门在线课程,每门课程需要连学2整天。如在所有可能的安排中随机选择1种,不用学习的3天均不相邻的概率为:

    A :1/7

    B:1/8

    C :1/9

    D:1/10

    答案:D。解析:

    10.(2025年真题)一个容器的下部分为高12厘米的倒立圆锥体,上部分为圆柱体,且圆锥和圆柱的底面半径相等。现匀速向容器中注入水,1分钟后液面高6厘米,又过30分钟后注满。问整个容器的高度为多少厘米?

    A 22

    B 22.5

    C 23

    D 23.5

    答案:D。解析:

    基本 文件 流程 错误 SQL 调试
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    1. CONNECT:[ UseTime:0.000420s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
    2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000919s ]
    3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000622s ]
    4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000449s ]
    5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000714s ]
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    7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000734s ]
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    9. UPDATE `article` SET `lasttime` = 1794073380 WHERE `id` = 540872 [ RunTime:0.001044s ]
    10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000407s ]
    11. SELECT * FROM `article` WHERE `id` < 540872 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000490s ]
    12. SELECT * FROM `article` WHERE `id` > 540872 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000422s ]
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    14. SELECT * FROM `article` WHERE `id` < 540872 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001249s ]
    15. SELECT * FROM `article` WHERE `id` < 540872 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001017s ]
    0.112724s