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题目内容
$$1\lt{x}\lt{2}$$

Quantity A

The volume of a cube whose edges are x

Quantity B

The volume of a rectangular solid whose dimensions are (x-1), x and (x+1)


For how many positive integers, x, is it true that $$x^3≤3x$$?
The lengths of two sides of a triangle are 3 and 4. Which of the following could be the length of the third side?

Indicate all such lengths.
$$\frac{a-b}{7-3}=$$
An antique dealer bought a chair for $100 and later sold it for $1,000. By what percent did the value of the chair increase?
If x + y = 123 and x – y = 89, what is the value of $$x^2–y^2$$?

_____
If the average (arithmetic mean) of 10, 20, 30, 40, and x is 60, what is the value of x?
What is the area of a circle whose radius is the diagonal of a square whose area is 4?
If $$2^a \times 2^b=2^c$$ and $$0\lt{c}\lt{1}$$, then which of the following could be the average (arithmetic mean) of a and b? Indicate all such averages.
What is the surface area, in square inches, of a cube whose volume is 216 cubic inches?
In a certain state, each license plate consists of either three digits (between 0 and 9, inclusive) followed by two letters or three letters followed by two digits. For example, 055-XY, 123-PP, and AAA-70 are all acceptable plates. How many different license plates can the state issue?

_____
n is an even integer

Quantity A

The number of prime factors of n

Quantity B

The number of prime factors of $$\frac{n}{2}$$


$$\frac{2}{3}$$ of $$x$$ equals $$\frac{3}{4}$$ of $$x$$

Quantity A

$$\frac{4}{5}$$ of $$x$$

Quantity B

0


Quantity A

AC

Quantity B

10


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At Central High School 50 girls play intramural basketball, 40 girls play intramural volleyball, and 10 girls play both sports.

Quantity A

The ratio of the number of girls who play only basketball to the number who play only volleyball

Quantity B

$$\frac{4}{3}$$


The measures of the angles in ΔI are in the ratio of 1:2:3; The measures of the angles in ΔII are in the ratio 2:7:9.

Quantity A

measure of the largest angle of ΔI

Quantity B

measure of the largest angle of ΔII


At XYZ Corp. the ratio of the number of male employees to the number of female employees is 3:2. 20 percent of the male and 30 percent of the female employees attended the company picnic.

Quantity A

The number of males at the picnic

Quantity B

The number of females at the picnic


The figure below consists of four circles with the same center. The radii of the four circles are 1, 2, 3, and 4.

Quantity A

The area of the shaded region

Quantity B

The area of the white region


GRE、gre题库、gre模考、gre考满分
If the ratio of boys to girls in a club is 2:3, what percent of the club members are girls?
If 0.6<$$\frac{1}{x}$$<0.7, then which of the following could be the value of x? Indicate all such values.

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