GRE考试真题是大家备考的一个风向标，所以掌握真题是非常有必要的。下面，小编精心整理了2015年9月20日GRE数学真题及答案，帮助大家更好地备考，快来围观吧。
Quant Section
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
2. 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.
答案：B
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
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：B
5. x < y-2
Quantity A: The average (arithmetic mean) of x and y
Quantity B: y-1
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：B
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
答案：E
7. Last Monday a certain store sold 17 wrenches at x dollars each. Last Tuesday the store reduced its prices and sold an additional 8 wrenches at 0.5x dollars each. Which of the following is equal to the average (arithmetic mean) price, in dollars, of the 25 wrenches that the store sold last Monday and Tuesday?
A. 0.68x
B. 0.73x
C. 0.76x
D. 0.81x
E. 0.84x
答案：C
8. How many of the age-groups each accounted for more than 15 percent of the total number of occupational injuries in State Xin 1998?
A. One
B. Two
C. Three
D. Four
E. Five
答案：D
以上是2015年9月20日GRE数学真题，考生要认真对待这些真题，希望对大家的备考有帮助。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,或者关注GRE满分公众号(ID：bailiedu-gre)。
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