#### 题目列表

A product is on sale for a discounted price that is 20 percent less than its regular price. The regular price is what percent greater than the discounted price?

_____%
Of all the students in a classroom, $\frac{1}{3}$ have brown eyes and $\frac{1}{4}$ of the rest of the students have green eyes.

Quantity A: The fraction of the students in the classroom who have green eyes

Quantity B:$\frac{1}{12}$
Quantity A: The average (arithmetic mean) of the 5 consecutive integers between 5 and 11

Quantity B: The median of the 5 consecutive integers between 5 and 11
The length of each side of square S is 10.

The length of each edge of cube T is 4.

Quantity A:The area of square S

Quantity B:The surface area of cube T
n is a positive integer.

$n^{2}+2n$ is even.

Quantity A:$(-1)^{n}$

Quantity B:$(-1)^{n-1}$

Quantity A:The perimeter of

Quantity B:The perimeter of
Quantity A:In the xy-plane, the distance from the point (-5,-3) to the point (-2,-5)

Quantity B:In the xy-plane, the distance from the point (3,4) to the point(6,2)
x is a number greater than 0.

Quantity A:$\frac{x}{x}$

Quantity B:$\frac{x}{1}$
A certain saleswoman earns $4 for each hour worked plus a 10 percent commission on her total sales. In June she worked 240 hours and had total sales of$40,400. What percent of the money she earned in June was commission?
If the speed of a vehicle was reduced from 65 miles per hour to 35 miles per hour, by approximately how many kilometers per hour was the speed reduced? (1 kilometer = 0.62 mile, rounded to the nearest 0.01 mile)
a < 8 < a+8 < 2a+4 < $a^{2} - 20$

If a is an integer that satisfies the inequalities shown, what is the value of a ?

a=_____
A total of $72,000 was invested for one month in a new money market account that paid simple annual interest at the rate of r percent. If the investment earned$360 in interest for the month, what is the value of r ?
Set A consists of four consecutive integers. Set B consists of all integers that result from adding 2 to each of the integers in set A together with all integers that result from subtracting 2 from each of the integers in set A. How many more integers are in set B than in set A ?

In the figure above, if line KL is parallel to line PN, what is the value of x ?
For how many of the seven categories did the value of exports increase by more than 50 percent from 2002 to 2003 ?
Approximately what was the percent increase in the value of the total exports from 2002 to 2003 ?
The range of the value of exports for the seven export categories shown was how much greater in 2003 than in 2002 ?

\$_____million
$m=\frac{n^{2}-25}{100}$

If n is a 2-digit integer with units digit 5 in the equation shown, which of the following could be the units digit of m ?
List K: a, b, c, d, e

List K consists of five numbers such that 0 < a < b < c < d < e. Which of the following statements must be true?

Indicate all such statements.
Which of the following lists has the greatest standard deviation?
1 2 ... 21 22 23 24 25 26 27 ... 30 31

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