人人终身学习知识网~是各类综合知识资源信息分享,提升综合素质与提高知识技能的终身学习网络平台

 找回密码
 立即注册

QQ登录

只需一步,快速开始

微信登录

微信扫码,快速开始

2016年新GRE数学模拟试题(二)

[复制链接]

考试吧为您整理了“2016年新GRE数学模拟试题(二)”,更多关于GRE考试模拟试题相关内容,请访问考试吧GRE考试网。

  查看汇总:2016年新GRE数学模拟试题汇总

  1. A,B,C,D,E,F排在1,2,3,4,5,6六个位置上,问A不在1, B不在2, C不在3的情况下,共有多少种排法?

  (A) 720

  (B) 450

  (C) 180

  (D) 216

  (E) 320

  2. 一直线L过点A(5,0), B(0,2), 坐标原点为O, 点P(X,Y)为三角形OAB中一点, 问:Y

  (A) 1/4

  (B) 3/8

  (C) 1/2

  (D) 5/8

  (E) 3/4

  3. In an insurance company, each policy has a paper record and an electric record. For those policies having incorrect paper record, 60% also having incorrect electric record; For policies having incorrect electric record, 75% also having incorrect paper record. 3% of all policies have both incorrect paper and incorrect electric records. If we randomly pick out one policy,whats the probability that the one having both correct paper and correct electric records?

  (A) 0.80

  (B) 0.94

  (C) 0.75

  (D) 0.88

  (E) 0.92

  4. If Bob can do a job in 20 days and Jane can do the job in 30 days, they work together to do this job and in this period, Bob stop work for 2.5 days and Jane stop work for x days, and the job be finished for 14 days, what is x?

回复

使用道具 举报

小黑屋/人人终身学习知识网~是各类综合知识资源信息分享,提升综合素质与提高知识技能的终身学习网络平台

Powered by 5wangxiao

© 2007-2021 5wangxiao.Com Inc.

快速回复 返回顶部 返回列表