展开全部

题目列表

题目内容
n is a positive integer, x is the units digit of $$7^{n}$$, y is the units digit of $$3^{n}$$

Quantity A

|x-y|

Quantity B

3


$$n=12,345,678,910$$

Quantity A

The remainder when $$n$$ is divided by 3

Quantity B

1


What is the remainder when $$3^{283}$$ is divided by 5?
The number of attendees at a certain convention is less than 1,000 and is divisible by 50.

Which of the following statement individually provide(s) sufficient additional information to determine the number of attendees at the convention?

Indicate all such statement.

Quantity A

0.8 minutes less than 0.08 hour

Quantity B

4 minutes


x, y and z are all positive numbers

Quantity A

The square of the average (arithmetic mean) of x, y and z

Quantity B

The average (arithmetic mean) of $$x^{2}$$,$$y^{2}$$and $$z^{2}$$


n is a positive integer

Quantity A

The average (arithmetic mean) of $$2^{n}$$,$$2^{n+1}$$,$$2^{n+2}$$,$$2^{n+3}$$,$$2^{n+4}$$

Quantity B

The median of $$2^{n}$$,$$2^{n+1}$$,$$2^{n+2}$$,$$2^{n+3}$$,$$2^{n+4}$$


A hexagon is inscribed in a circle with diameter $$d$$. Each of the six sides of the hexagon have the same length, and each of the six angles of the hexagon have the same measure. What is the perimeter of the hexagon in terms of $$d$$?

Quantity A

y

Quantity B

z


In a sample of n people, 80 percent of the people filled out a questionnaire. If 65 percent of those who filled out the questionnaire are college graduates, what is the greatest possible percent of college graduates in the sample of n people?
A rectangular floor will be completely covered with square tiles, each of which has sides of length 6 inches. If tiles are laid side by side with no space between them and no tiles are cut, then the number of tiles needed to cover the floor is 1,080. Which of the following could be the dimensions of the floor? (Note12 inches=1 foot.)

The figure above represents the surface of a wall with an irregular shape, where all measurements are in meters and point P is 10 meters from the bottom edge and 10 meters from the left edge. The surface is to be painted, and one bucket of paint will cover 170 square meters of the surface. If the bucket of paint will cover the part of the surface from the left edge to a vertical line that is x meters from the left edge, which of the following is true?
The area of square S is twice the area of square T.

Quantity A

The length of a diagonal of square T

Quantity B

The length of a side of square S




The figure represents a 5-foot-wide circular walkway that is bounded by two concentric circles. The outer boundary of the walkway is approximately how many feet longer than the inner boundary of the walkway?
For all positive integer n, the function f is defined by the equation f(n)= $$\frac{n(n+1)}{2}$$

m is a positive integer

Quantity A

$$(-1)^{f(4m+1)}$$

Quantity B

$$(-1)^{f(4m+2)}$$


Quantity A

The remainder when $$10^{8}$$+$$10^{9}$$+$$10^{10}$$+$$10^{11}$$ is divided by 11

Quantity B

0


The degree measure of each angle of a regular polygon with n sides is between 100 and 130. Which of the following could be the value of n?

Indicate all such integers.

x=y

BD∥AE

Quantity A

The area of △ACE

Quantity B

The area of △BDF


If z=$$\frac{x}{y}$$, w= $$\frac{x}{x+y}$$, and 0 < x < y, what is w in terms of z?

Quantity A

|$$3+x-x^{2}$$|

Quantity B

|$$x^{2}-x-3$$|


共收录:

25000 +道题目

200本备考书籍

最新提问