出国留学网专题频道GRE数学机经预测栏目,提供与GRE数学机经预测相关的所有资讯,希望我们所做的能让您感到满意!

2017年GRE数学考试机经预测(4.14场次)

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  参加GRE考试的朋友们,出国留学网GRE考试栏目为大家提供“2017年GRE数学考试机经预测(4.14场次)”,希望能够帮助到各位考生!

  题目

  1. According to surveys at a company, 20 percent of the employees owned cell phones in 1994, and 60 percent of the employees owned cell phones in 1998. From 1994 to 1998, what was the percent increase in the fraction of employees who owned cell phones?

  A. 3%

  B. 20%

  C. 30%

  D. 200%

  E. 300%

  正确答案

  D

  题目解析

  94年20%的人有手机,98年60%的人有手机,手机人数从20%增长到60%,其中增长的百分比为(60%-20%)/20%,也就是200%,所以选D。

  2. The relationship between temperature C, in degrees Celsius, and temperature F, in degrees Fahrenheit, is given by the formula F = 9/5 *c + 32. If a recipe calls for an oven temperature of 210 degrees Celsius, what is the oven temperature in degrees Fahrenheit?

  A. 320

  B. 350

  C. 410

  D. 420

  E. 500

  正确答案

  C

  题目解析

  给出了华氏和摄氏温度的转换公式,将210代入公式的C,得出F=410,选C。

  3. In right triangle ABC, the ratio of the lengths of the two legs is 2 to 5. If the area of triangle ABC is 20, what is the length of the hypotenuse?

  A. 7

  B. 10

  C. 4√5

  D. √29

  E. 2√29

  正确答案

  E

  题目解析

  直角三角形已知两直接边比例,根据面积为20,反推出两边分别是4和10,因此斜边长度等于√(16+100)=2√29,选E。

  4. If an investment of P dollars is made today and the value of the inv...

与GRE数学机经预测相关的GRE机经

2016年12月18日GRE数学机经预测

GRE数学机经预测 GRE数学机经 GRE考试机经
2016年12月18日GRE数学机经预测

  12月18日的GRE考试马上就要开始了,出国留学网GRE栏目为大家整理了“2016年12月18日GRE数学机经预测”,预祝考生取得理想成绩哦!

  题目

  1. The roots of the equation x^2 - x - 6 = 0 are

  A, 1 and - 5

  B. 2 and - 3

  C. 3 and - 2

  D. 5 and - 1

  E. none of the above

  答案:C

  解析:方程式可转变为(x-3)(x+2)=0, roots也就是方式的根即为3和-2。

  2. Quantity A:The least prime number greater than 24

  Quantity B:The greatest prime number less than 28

  A. Quantity A is greater.

  B. Quantity B is greater.

  C. The two quantities are equal.

  D. The relationship cannot be determined from the information given.

  答案:A

  解析:大于24的最小质数为29,而B的任何一个数字都小于28,因此选A。

  3. Quantity A:54% of 360

  Quantity B:150

  A. Quantity A is greater.

  B. Quantity B is greater.

  C. The two quantities are equal.

  D. The relationship cannot be determined from the information given.

  答案:A

  解析:无需具体计算A,大致计算360的50%为180大于B即可。


  Quantity A:PS

  Quantity B:SR

  A. Quantity A is greater.

  B. Quantity B is greater.

  C. The two quantities are equal.

  D. The relationship cannot be determined from the information given.

  答案:D

  解析:根据条件可知三角形为等腰三角形,但缺乏其它条件因此无法判断PS和SR的长度,无从比较,所以选D...

与GRE数学机经预测相关的GRE机经

12月4日GRE数学小范围机经预测

GRE数学机经预测 GRE数学机经 GRE考试机经

  12月4日的GRE考试马上就要开始了,同学们准备的怎么样了呢?出国留学网GRE栏目为您整理12月4日GRE数学小范围机经预测,希望能有所帮助哦!

  题目

  1. If k is an integer and 121 < k^2 < 225,then k can have at most how many values?

  A. 3

  B. 4

  C. 5

  D. 6

  E. 7

  答案:D.

  解析:k可以是12,13,14,-12,-13,-14.

  2. Runner A ran 4/5 kilometer and Runner B ran 800 meters.

  Quantity A: The distance that A ran

  Quantity B: The distance that B ran

  A. Quantity A is greater.

  B. Quantity B is greater.

  C. The two quantities are equal.

  D. The relationship cannot be determined from the information given.

  答案:C

  解析:Quantity A=(4/5)*1000=800=Quantity B。

  3. x < y < z,

  Quantity A: (x + y + z)/3

  Quantity B: y

  A. Quantity A is greater.

  B. Quantity B is greater.

  C. The two quantities are equal.

  D. The relationship cannot be determined from the information given.

  答案:D

  解析:已知条件太少,AB大小都可以根据不同数据列出可能答案,因此无法判断准确唯一解,选D。

  4. A reading list for a humanities course consists of 10 books, of which 4 are biographies and the rest are novels. Each student is required to read a selection of 4 books from the list, including 2 or more biographies. How many selections of 4 books satisfy the requirements?

  A. 90

  B. 115

  C. 130

  D. 144

  E. 195

  答案:D

  解析:10本书中,4本biographi...

与GRE数学机经预测相关的GRE机经

11月20日GRE数学小范围机经预测

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  出国留学网的GRE栏目小编为您带来“11月20日GRE数学小范围机经预测”,希望对大家备考GRE有所帮助。更多GRE相关内容请关注我们网站!

  题目

  1. A box contains 100 balls, numbered from 1 to 100.If three balls are selected at random and with replacement from the box, what is the probability that the sum of the three numbers on the balls selected from the box will be odd?

  A. 1/4

  B. 3/8

  C. 1/2

  D. 5/8

  E. 3/4

  答案:C

  解析:本题因为奇数和偶数个数相同,和也只有两种方式,所以三个数的和为奇数的可能性为1/2。也可以考虑从这100个数中任取三个数的奇偶,可能性为:奇奇奇,奇偶偶,奇奇偶和偶偶偶,其中奇奇奇和奇偶偶两种情况的和为奇数,所以也得到可能性为1/2

  2. There are 1200 respondents to a poll, each favoring their preference for candidates A,B, and C. 54% favored A, 48% favored B, and 42% favored C, and there is 30% favored both A and B. What’s the largest possible number of respondents favoring C, but not C&B, nor C&A?

  A. 25%

  B. 30%

  C. 28%

  D. 38%

  E. 40%

  答案:C

  解析:A和B的并集为:54%+48%-30%=72%,所C为28%

  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, what’s the probability that the one having both correct paper and correct electric records?

  A. 0.80

...

与GRE数学机经预测相关的GRE机经

2016年6月26日GRE数学机经预测

GRE数学机经预测 GRE数学预测 GRE数学机经

  2016年6月26日的GRE考试的钟声随着十一月的到来即将敲响,为了让大家准备更充分地迎接5月26日的GRE考试,下面出国留学网为大家整理了2016年6月26日GRE数学机经预测,欢迎参考。

  点击查看:2016年6月26日GRE考试机经预测

  数学——两部分,数学题型包括选择,填空两类。

  考察难度不超过高中水平,对于大多数中国考生而言,GRE数学部分都属于送分部分,上述就是详细的GRE考试分数介绍。

  2016年6月26日GRE机经预测(数学部分):

  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,what’s 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 ...

与GRE数学机经预测相关的GRE机经

2016年6月5日GRE数学机经预测

GRE数学机经预测 GRE数学预测 GRE数学机经

  2016年6月5日的GRE考试的钟声随着十一月的到来即将敲响,为了让大家准备更充分地迎接5月8日的GRE考试,下面出国留学网为大家整理了2016年6月5日GRE数学机经预测,欢迎参考。

  点击查看:2016年6月5日GRE考试机经预测

  数学——两部分,数学题型包括选择,填空两类。

  考察难度不超过高中水平,对于大多数中国考生而言,GRE数学部分都属于送分部分,上述就是详细的GRE考试分数介绍。

  2016年6月5日GRE机经预测(数学部分):

  1. 从1,2,3,4,5,6,7,8,9中选出三个数字组成一个三位数,这个三位数的digits中有两个相同,另一个digit与其它两个都不同,问共有多少个这样的三位数?

  (A) 72

  (B) 144

  (C) 180

  (D) 216

  (E) 54

  2. 符合 X^2+Y^2<=100的整数解共有多少对?

  3. A box contains 100 balls, numbered from 1 to 100. If three balls are selected at random and with replacement from the box,what is the probability that the sum of the three numbers on the balls selected from the box will be odd?

  (A) 1/4

  (B) 3/8

  (C) 1/2

  (D) 5/8

  (E) 3/4

  4. Right triangle PQR is to be constructed in the xy-plane so that the right angle is at P and PR is parrallel to the x-axis. The x-and y-coordinates of P,Q,and Rare to be integers that satisfy the inequalities -4<=x<=5,6<=y<=16,how many different triangles with these properties could be constructed?

  (A) 110

  (B) 1100

  (C) 9900

  (D) 10000

  (E) 12100

  5. (0-9) 要组成三位电话号码,第一位不能是0或1,三位数中相邻两位不能为同一数. ...

与GRE数学机经预测相关的GRE机经

2016年5月8日GRE数学机经预测

GRE数学机经预测 GRE数学预测 GRE数学机经

  2016年5月8日的GRE考试的钟声随着十一月的到来即将敲响,为了让大家准备更充分地迎接5月8日的GRE考试,下面出国留学网为大家整理了2016年5月8日GRE数学机经预测,欢迎参考。

  点击查看:2016年5月8日GRE考试机经预测

  数学——两部分,数学题型包括选择,填空两类。

  考察难度不超过高中水平,对于大多数中国考生而言,GRE数学部分都属于送分部分,上述就是详细的GRE考试分数介绍。

  2016年5月8日GRE机经预测(数学部分):

  1. At Store T, the dollar amount of sales for 2007 was what percent of the dollar amount of sales for2008 ?

  Give your answer to the nearest 0.1 percent.___________%

  2. Which of the following statements must be true?

  Indicate all such statements.

  A For 2008 the dollar amount of sales at Store R was greater thanthat at each of the other four stores.

  B The dollar amount of sales at Store S for 2008 was 22 percent lessthan that for 2006.

  C The dollar amount of sales at Store Rfor 2008 was more than 17 percent greater than that for 2006.

  3. Yesterday, at a certain school,the ratio of boys to girls was 1 to 3. Today, an equal number of boys and girlsjoined the school. The number that joined was greater than zero and no studentsleft.

  Column A: Ratio of boys to girls now

  Column B: 1/3

  A. The quantity in Column A is greater

  B. The quantity in Column B is greater

  C. The two quantities...

与GRE数学机经预测相关的GRE机经

2016年4月16日GRE数学机经预测

GRE数学机经预测 GRE数学预测 GRE数学机经

  2016年4月16日的GRE考试的钟声随着十一月的到来即将敲响,为了让大家准备更充分地迎接4月16日的GRE考试,下面出国留学网为大家整理了2016年4月16日GRE数学机经预测,欢迎参考。

  点击查看:2016年4月16日GRE考试机经预测

  数学——两部分,数学题型包括选择,填空两类。

  考察难度不超过高中水平,对于大多数中国考生而言,GRE数学部分都属于送分部分,上述就是详细的GRE考试分数介绍。

  2016年4月16日GRE机经预测(数学部分):

  What are the x-intercepts of the parabola defined by theequation y =2x2–8x –90?

  Indicate allx-intercepts.

  A. -10

  B. -9

  C. -5

  D. -4

  E. 4

  F. 5

  G. 9

  H. 10

  解析:C, G

  因为求x轴截距,所以y=0,所以2x2–8x –90=0,所以(2x+10)(x-9)=0. 所以x= -5, 或者x=9. 所以选C,G.

  The system of equations has how many solutions?

  3x - 6y = 9

  2y - x - 3 = 0

  A. None

  B. Exactly 1

  C. Exactly 2

  D. Exactly 3

  E. Infinitely many

  解析:B

  因为3x - 6y = 9,所以x-2y=3. 因为2y - x - 3 = 0,所以2y-x=3. 所以x-2y=2y-x. 所以x=0,y=0.只有这一种可能。所以选B.

  1. If x=3k/√5 and k>0, which of the following must be true?

  解析:C

  因为 ,所以x=(3√5)/5 k,所以k

  For the 3 numbers in a certain list, the average (arithmetic mean) and the median are equal to 16. If the greatest number in the List is 14 greater than the least n...

与GRE数学机经预测相关的GRE机经

2016年4月8日GRE数学机经预测

GRE数学机经预测 GRE数学预测 GRE数学机经

  2016年4月8日的GRE考试的钟声随着十一月的到来即将敲响,为了让大家准备更充分地迎接4月8日的GRE考试,下面出国留学网为大家整理了2016年4月8日GRE数学机经预测,欢迎参考。

  点击查看:2016年4月8日GRE考试机经预测

  数学——两部分,数学题型包括选择,填空两类。

  考察难度不超过高中水平,对于大多数中国考生而言,GRE数学部分都属于送分部分,上述就是详细的GRE考试分数介绍。

  2016年4月8日GRE机经预测(数学部分):

  What are the x-intercepts of the parabola defined by theequation y =2x2–8x –90?

  Indicate allx-intercepts.

  A. -10

  B. -9

  C. -5

  D. -4

  E. 4

  F. 5

  G. 9

  H. 10

  解析:C, G

  因为求x轴截距,所以y=0,所以2x2–8x –90=0,所以(2x+10)(x-9)=0. 所以x= -5, 或者x=9. 所以选C,G.

  The system of equations has how many solutions?

  3x - 6y = 9

  2y - x - 3 = 0

  A. None

  B. Exactly 1

  C. Exactly 2

  D. Exactly 3

  E. Infinitely many

  解析:B

  因为3x - 6y = 9,所以x-2y=3. 因为2y - x - 3 = 0,所以2y-x=3. 所以x-2y=2y-x. 所以x=0,y=0.只有这一种可能。所以选B.

  1. If x=3k/√5 and k>0, which of the following must be true?

  解析:C

  因为 ,所以x=(3√5)/5 k,所以k

  For the 3 numbers in a certain list, the average (arithmetic mean) and the median are equal to 16. If the greatest number in the List is 14 greater than the least number, what is ...

与GRE数学机经预测相关的GRE机经

2016年3月18日GRE数学机经预测

GRE数学机经预测 GRE数学预测 GRE数学机经

  2016年3月18日的GRE考试的钟声随着十一月的到来即将敲响,为了让大家准备更充分地迎接3月18日的GRE考试,下面出国留学网为大家整理了2016年3月18日GRE数学机经预测,欢迎参考。

  点击查看:2016年3月18日GRE考试机经预测

  2016年3月18日GRE机经预测(数学部分):

  What are the x-intercepts of the parabola defined by theequation y =2x2–8x –90?

  Indicate allx-intercepts.

  A. -10

  B. -9

  C. -5

  D. -4

  E. 4

  F. 5

  G. 9

  H. 10

  解析:C, G

  因为求x轴截距,所以y=0,所以2x2–8x –90=0,所以(2x+10)(x-9)=0. 所以x= -5, 或者x=9. 所以选C,G.

  The system of equations has how many solutions?

  3x - 6y = 9

  2y - x - 3 = 0

  A. None

  B. Exactly 1

  C. Exactly 2

  D. Exactly 3

  E. Infinitely many

  解析:B

  因为3x - 6y = 9,所以x-2y=3. 因为2y - x - 3 = 0,所以2y-x=3. 所以x-2y=2y-x. 所以x=0,y=0.只有这一种可能。所以选B.

  1. If x=3k/√5 and k>0, which of the following must be true?

  解析:C

  因为 ,所以x=(3√5)/5 k,所以k

  For the 3 numbers in a certain list, the average (arithmetic mean) and the median are equal to 16. If the greatest number in the List is 14 greater than the least number, what is the greatest number in the list?

  解析:23

  设最小的数为x,因为最大的数比最小的数大14,所以最大的数为x+14.因为这三个数的平均值为16,且中间的...

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