GRE数学真题大放送(附答案解析)
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1. ABCE is a square, and BCDE is a parallelogram
Quantity A: The area of square ABCE
Quantity B: The area of parallelogram BCDE
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.
参考答案：C。

正方形的面积是长乘以宽，平行四边形的面积是长乘以高。

一样大。

2. n is an integer.
Quantity B: 1
B. Quantity B is greater.
C. The two quantities are equal
D. The relationship cannot be determined from the information given.
参考答案：C。

如果n是奇数，则负负得正等于1;如果n是偶数，依然是1。

3. The population of Country X for 1980 was p. The population of Country X increased by 3.8 percent in each of the next two years.
Quantity A: The population of Country X for 1982.
Quantity B: 1.076p
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.
参考答案：A
4. x≠0
Quantity B: x(x+5)
A. Quantity A is greater.
C. The two quantities are equal
D. The relationship cannot be determined from the information given.
参考答案：D。

如果x>0,则B>A; 如果x<0,则B<a; x="0,则B=A
5. x=2, y=3,z=5
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.
参考答案：B。

A=1/2*3*1/25=3/50;B=9/100;B>A
6. Each week a salesperson receives a commission that is equal to 12 percent of the first $500 of sales plus 20 percent of additional sales. If the salesperson received a commission of $380 last week, what was the total amount of the sales that the salesperson made last week?
A. $1,600
B. $1,660
C. $1,860
D. $2,000
E. $2,100
参考答案：E。

$500*12%=$60,$380-$60=$320; $320/0.2=$1600;$1600+$500=$2100 7. If x < y, which of the following must be true?
参考答案：D。

D项2x<2y;x<y< p="">
8. 1/2 < r <1
Quantity A: 2r
Quantity B: 1/r
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.
参考答案：D. 如果r为1，则A>B,如果r为0.1，则A<b。

故选d< p="">
以上就是小编整理的2015年7月5日GRE数学真题，希望大家认真对待，仔细研究。