#### 题目列表

The positive integer x is 7 greater than a multiple of 13, and 2512 < $x^{2}$ < 3596

Quantity A: x

Quantity B: 55

AB=12, AC=30, and AD=$\frac{2}{5}$ AC

Quantity A: The measure of angle BDC

Quantity B: 120
q, r and s are consecutive positive integers and q < r < s.

Quantity A:$\frac{qs}{r}$

Quantity B:r - $\frac{1}{r}$
A number is to be randomly selected from the integers from 1 through 87.

Quantity A:The probability that the number selected will have a units digit of 6

Quantity B:The probability that the number selected will have a tens digit of 6
w, x, y and z are integers

w < x and y < z

Quantity A:wy

Quantity B:xz

Triangle ABC is inscribed in the circle.

Quantity A:The radius of the circle

Quantity B:The length of AC
In region A, 17 percent of the acres that are planted with corn are planted with a certain hybrid seed. In region B, which borders region A, 11 percent of the acres that are planted with corn are planted with the same hybrid seed.

#### Quantity A

Of all the acres planted with corn in region A and region B combined, the percent of acres that are planted with the hybrid seed

#### Quantity B

14%

23, 21, 20, 32, 34, 35, 26, 31, 30, 24

For which integer in the list above are 90 percent of the integers in the list less than that integer?
If r=$s^{2}$, s=$t^{3}$, and t=$u^{4}$, what is r in terms of u?
Yesterday a certain merchant had \$1,285.00 in total sales. If 1/2 of the total sales were from the sale of merchandise that had been reduced by 50 percent, what would have been the total sales yesterday if all of the merchandise had been sold at full price?
In the xy-plane, a triangle has vertices (0, 0), (k, 0) and (k, -4k), where k>0. If the area of the region enclosed by the triangle is 32, what is the value of k?
For each of the years 1997 through 2000*, the graph shows the number of towels imported to Japan from China, and the total number of towels imported to Japan from all countries, including China.

A list consists of 10 positive integers. The sum of the 10 integers is 101. If no integer appears more than twice in the list, what is the greatest possible integer that can appear in the list?

For the frequency distribution of the variable x shown in the table above, what is the median value of x?
It costs d dollars to buy t thumbtacks. At this rate, what is the cost of t+2,500 thumbtacks, in dollars?
For a group of 9 steel beams stored together, the average (arithmetic mean) length of the beams is 7.2 meters and the median length is 8.4 meters. Two additional steel beams-one that is longer than all 9 beams and one that is shorter than all 9 beams-will be stored with the 9 beams. For the combined group of 11 steel beams, the average length is m meters and the median length is d meters. Which of the following statements must be true?

Indicate all such statements.
The automation of many of the functions performed at the factory, although initially inspiring ________ in many of the company`s employees, has had none of the deleterious effects forecast either within or beyond the organization.
The myth of the scientific method as a neat progression from hypothesis to experiment to conclusion is dispelled once you enter a lab and observe the ________ process by which researchers actually make discoveries.

25000 +道题目

155本备考书籍