雷哥网GMAT-【OG20-P286-377题】A certain list, L, contains a total of n numbers, _OG20新题

数据充分DS-17081 【难度:650-680】

报告题目错误

请选择错误类型：

请描述一下这个错误：

取消

建议使用官方纸质指南，查看对照完整题目

【OG20-P286-377题】A certain list, L, contains a total of n numbers, not necessarily distinct, that are arranged in increasing order. If L1 is the list consisting of the first n1 numbers in L and L2 is the list consisting of the last n2 numbers in L , is 17 a mode for L ？

1. 17 is a mode for L1 and 17 is a mode for L2 .

2.n1 +n2 =n

A

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
分析A选项
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

B

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
分析B选项
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

C

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
分析C选项
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

D

EACH statement ALONE is sufficient.
分析D选项
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

E

Statements (1) and (2) TOGETHER are NOT sufficient.
分析E选项
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

网友解析

暂无雷哥网文字解析

当前版本由白色丝绸睡衣更新于2021-10-29 20:02:48 感谢由白色丝绸睡衣对此题目的解答所做出的贡献。

1.mode 是 众数的意思 
2.升序排列 
因此当前后n1 n2 众数都是17 时， 17 就是 L的众数

题目讨论（5条评论）

提交

ziqi

that are arranged in increasing order不要看漏条件

0 0 回复 2022-06-12 13:51:52
wydsg

这里的第二个条件是不是已经包含在题目里了？

0 0 回复 2021-07-22 14:09:43
GraceSG回复wydsg

可以想总共3个，那么若n1是1，n2可以是1、2、3，两个相加不一定是总数n

0 0 回复 2021-09-09 10:29:23
374729so

n1 n2都包含17，又因为升序，所以17一定是n1最大数，n2最小数，n1，n2之间的数集一定只能含有17，所以mode是17

6 0 回复 2019-10-22 20:45:26
但行好事莫问前程回复374729so

mode是众数啊哥

1 0 回复 2021-09-09 16:50:08
Qiuyu

in increasing order

0 0 回复 2019-08-01 16:42:19
一站拜拜

升序排列

0 0 回复 2019-06-15 23:09:02