题目列表

题目内容
k > 0

l > 1

Quantity A

$${1}\over{\frac{1}{k}+\frac{1}{l}}$$

Quantity B

$${1}\over{k\frac{1}{k}+\frac{1}{l}}$$


Quantity A

$$\sqrt{3}+\sqrt{4}$$

Quantity B

$$\\sqrt{7}$$


Joe has $200. If he buys a CD player for $150, what is the greatest number of CDs he can buy with the remaining money if CDs cost $12 each?

_____
What is the area of triangle ABC in the figure above? GRE、gre题库、gre模考、gre考满分
Which of the following could equal 10(32 – 2) divided by a positive integer?

Indicate all possible values.
Roberta drove 50 miles in 2 hours. Her rate in miles per hour is equivalent to which of the following proportions?

Indicateallpossible values.
If |2x – 3| + 2 > 7, which of the following could be the value of x ?

Indicateallpossible values.
If x, y, and z are consecutive odd integers where x < y < z and x + y + z < z, then whch of the following could be the value of x ?

Indicate all possible values.
If $$4^{x}=1024$$,then $$(4^{x+1})(5^{x-1})=$$
What is the greatest distance between two vertices of a rectangular solid with a height of 5, a length of 12, and a volume of 780?
Six children, three boys and three girls, sit in a row on a park bench. How many arrangements of children are possible if no boy can sit on either end of the bench?

Indicate all possible values.
If 16 is the average of p, 24, and q, what is 16(p + q) ?
ABCD is a rectangle.

Quantity A

s

Quantity B

t


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A certain punch is created by mixing two parts soda and three parts ice cream. The soda is 4 parts sugar, 5 parts citric acid, and 11 parts other ingredients. The ice cream is 3 parts sugar, 2 parts citric acid, and 15 parts other ingredients.

Quantity A

parts sugar in the punch

Quantity B

parts citric acid in the punch


The average (arithmetic mean) of a set of mean daily temperatures for x days is 70 degrees. When a mean daily temperature of 75 degrees is added to this set, the average increases to 71 degrees.

Quantity A

x

Quantity B

5


QRS is an isosceles triangle

Quantity A

perimeter of QRS

Quantity B

17


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The scores for the 500 students who took Ms. Johnson`s final exam had a normal distribution. There were 80 students who scored at least 92 points out of a possible 100 total points and 10 students who scored at or below 56.

Quantity A

The mean score on the final exam

Quantity B

87


AB is parallel to CD.

AD is parallel to BC.

2AD = EG

Quantity A

The area of ABCD

Quantity B

The area of EFG


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(3x -4y)(3x + 4y) = 2

Quantity A

$$9x^{2}-16y^{2}$$

Quantity B

4


If 8a – 2 = 22, then 4a – 1 =

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