GRE数学2016.09.23机经

本次机经回忆非常感谢北新桥直通车学员“仓老师”（9.23考试，Q=170），据其反馈，正态分布箱线图依旧没有考到（但是仓老师说8.26考到了），排列组合依旧不难。

1.      The radius of the circle is 5, what is the value of y?

 

2.      P is 20% less than R, so R is what percent greater than P?

3.       

range	frequency
10~19	2
20~29	3
30~39	1
40~49	3
50~59	2

Quantity A

The range of these 11 numbers

Quantity B

40

4.      Triangle ABC is inscribed in a circle, where AB is diameter of the circle.

Quantity A

Five times of area of the triangle ABC

Quantity B

The area of the circle

5.      a and b are two solutions of the quadratic formula x^2-x-20=0.

Quantity A

(a-b)^2

Quantity B

(a+b)^2

6.       

In the figure above, the length of BE is 4, and the length of CF is 3, what is the perimeter of the triangle ABC?

7.      2＜x＜5, 1/10＜y＜1/5

Quantity A

x+y

Quantity B

1/x + 1/y

8.      From 1 to 100, inclusive, how many numbers which are neither divisible by 3 nordivisible by 7?

9.      How many different points (x,y), where x and y are both positive integers, in xy-plane,satisfy the inequality x+y≤200？

10.   What is the solution set of the inequality |x-1|＜2, when graphed in the number line?

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参考答案：

1. 8

2. 25%

3. D

4. D

5. A

6. 12

7. B

8. 57

9. 19900

（

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.

）

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特别说明：

1. 本材料仅供学员老师学习交流，切勿用于商业用途

2. 资源来源于各位北京新东方老师学员考试回忆，望各位老师同学考试后也可以给我贡献机经，之后我会继续分享给“后人”

3. 题目中的数据不一定完全准确，仅供参考学习，同时建议大家把手里的资料做完了以后（包括官方指南，官方150题，PP2），再做这些题目，主要目的是让大家看一下考试都会考察哪些题目。

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