GRE数学真题是我们备考路上的“好伙伴”，备考初期利用好它，我们的复习将会事半功倍!快来看看2015年6月28日GRE数学真题吧。
1. The average (arithmetic mean) of 3, 3, 5, 6 and x is 2.
Column A x
Column B -8
A. The quantity in Column A is greater
B. The quantity in Column B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
2. Cleve is 4 times as old as Al. Bob is 3 years younger than Al. The sum of their ages is 81.
Column A Al’s age
Column B 13
A. The quantity in Column A is greater
B. The quantity in Column B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
3. The average (arithmetic mean) weight of 8 children is 100 pounds.
No child weighs exactly 100 pounds.
Column A Number of children who weigh more than 100 pounds.
Column B Number of children who weigh less than 100 pounds.
A. The quantity in Column A is greater
B. The quantity in Column B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
4. Set A：{0.2, 0,4, 0.6, 0.8}
Set B:{2, 4, 6, 8}
Column A Standard deviation of set A
Column B Standard deviation of set B
A. The quantity in Column A is greater
B. The quantity in Column B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
5. x and y are prime numbers and x + y = 18
Column A xy
Column B 70
A. The quantity in Column A is greater
B. The quantity in Column B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
Column A Length of AB
Column B 4
A. The quantity in Column A is greater
B. The quantity in Column B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
Column A Length of AO
Column B Length of AB
A. The quantity in Column A is greater
B. The quantity in Column B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
8. A box contains 10 pairs of shoes (20 shoes in total). If two shoes are selected at random, what is the probability that they are matching shoes?
A. 1/190
B. 1/20
C. 1/19
D. 1/10
E. 1/9
9. The probability that event A occurs is 0.4, and the probability that events A and B both occur is 0.25. If the probability that either event A or event B occurs is 0.6, what is the probability that event B will occur?
A. 0.05
B. 0.15
C. 0.45
D. 0.50
E. 0.55
10. To create paint with a certain shade of gray, one must combine 2.016 liters of black paint with every one liter of white paint. Approximately how many liters of white paint must be combined with 350 liters of black paint to create the certain shade of gray?
A. 173.6
B. 176.4
C. 347.1
D. 694.4
E. 705.6
11. 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
12. Which of the following, when rounded to the nearest integer, are rounded to 3?
A. 3.4
B. 3.445
C. 3.494
D. 3.499
E. 3.501
F. 3.61
13. In a survey, 82 high school students were randomly selected and asked how many hours of television they had watched in the previous week. The histogram below displays their answers
Which of the following gives the range of the median number of hours of TV watched last week?
A. 1-5
B. 6-10
C. 11-15
D. 16-20
E. 41-45
14. Which of the following could be the third quartile value for number of hours of TV watched last week?
A. 11
B. 17
C. 21
D. 23
E. 26
15. Suppose all students surveyed answered in integer number of hours only. Suppose, of 82 surveyed, only one respondent answered "16 hours." Within this group, the approximate percentile of this person would be:
A. 32nd percentile
B. 51st percentile
C. 67th percentile
D. 75th percentile
E. 80th percentile
16. x2 - y2 < 8 x + y > 3
If x and y are integers in the above inequalities and 0 < y < x, what is the greatest possible value of x?
17. 228/494=
A. 4/7
B. 11/21
C. 6/13
D. 14/27
E. 9/17
18. If four numbers are randomly selected without replacement from set {1, 2, 3, 4}, what is the probability that the four numbers are selected in ascending order?
A. 1/256
B. 1/64
C. 1/48
D. 1/24
E. 1/12
19. If ABCD is a square, what are the coordinates of C?
20. If x>0, and two sides of a certain triangle have lengths 2x+1 and 3x+4 respectively, which of the following could be the length of the third side of the triangle?
Indicate all possible lengths.
A. 4x+5
B. X+2
C. 6x+1
D. 5x+6
E. 2x+17
以上就是小编整理的2015年6月28日GRE数学真题，希望大家认真对待，仔细研究。更多GRE备考信息请登录前程百利GRE考试网站或拨打前程百利GRE考试热线400-890-6000咨询。
您还可能关注：
