2015年9月6日GRE数学真题答案及解析
紧张的考试终于画上了圆满的句号，本次GRE考试大家考得怎么样呢？以下是为大家整理的2015年9月6日GRE数学真题答案及解析，供大家参考!
Quant Section
1 r=5 s=2
Quantity A：r-2s+2
Quantity B：rs/6
(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.
2.
Quantity A： The area of the shaded region shown in Figure I
Quantity B: The area of the shaded region shown in Figure II
(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.
3. Lila purchased a hat and a scarf for a total of $40. She received a 25 percent discount on the price of the scarf and a 15 percent discount on the price of the hat.
Quantity A：The amount Lila saved on the scarf
Quantity B：The amount Lila saved on the hat
(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.
4.
Quantity A: (25% of 12)+8
Quantity B：25% of (12+8)
(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.
5.
M, N, P, and Q are midpoints of the sides of the rectangle.
Quantity A： The sum of the areas of the shaded
Quantity B： The area of the unshaded region MNPQ regions
(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.
6.
(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.
7 . Series x=21,23,24,21,22,23,21,25,23,26,21,22,27
Quantity A：The mode of x divided by the median of x
Quantity B：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.
8. In the figure above, if x = 110 and y = 120, then z =
(A) 10
(B) 40
(C) 50
(D) 60
(E) 70
9. What is the area of the triangular region above?
(A) 24
(B) 30
(C) 40
(D) 48
(E) 60
10. If n and k are positive integers, which of the following can prove that n divisible by 6?
11 . A distillate flows into an empty 64-gallon drum at spout A and out of the drum at spout B. If the rate of flow through A is 2 gallons per hour, how many gallons per hour must flow out at spout B so that the drum is full in exactly 96 hours?
(A) 3/8
(B) 2/1
(C) 2/3
(D) 4/3
(E) 8/3
12. A farmer has two rectangular fields. The larger field has twice the length and 4 times the width of the smaller field. If the smaller field has area K, then the area of the larger field is greater than the area of the smaller field by what amount?
(A) 2K
(B) 6K
(C) 7K
(D) 8K
(E) 12K
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