#### 题目列表

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.
In the triangle above, what is the value of y? If x+y=12, then $(x+(\frac{y}{3}))+(y+(\frac{x}{3}))=$
If A is the point (-4, 1) and B is the point (2, 1), what is the area of the circle that has AB as a diameter?
A positive integer is a palindrome if it reads exactly the same from right to left as it does from left to right. For example, 5 and 66 and 373 are all palindromes. How many palindromes are there between 1 and 1,000, inclusive?

_____
Bob and Jack share an apartment. If each month Bob pays a dollars and Jack pays b dollars, what percent of the total cost does Bob pay?
Howard is a salesman whose pay each week consists of a base salary of $175 plus a commission of 12% of his sales. If one week Howard`s pay was$467.14, what were his sales, in dollars, that week?

_____dollars

In the figure above, the radius of circle O is 3, and m∠AOB = 60. What is the perimeter of the shaded region? Line l passes through points in both quadrants II and III. Which of the following statements are true?

Indicate all such statements.

#### Quantity A

The sum of the integers from -11 to 11, inclusive

#### Quantity B

The product of the integers from -11 to 11, inclusive

a and b are primes. a+b=12

b

8

#### Quantity A

The perimeter of a square whose sides are x inchcs

#### Quantity B

The circumference of a circle whose diameter is x inchcs

#### Quantity A

The probability of getting all heads when a fair coin is flipped 5 times

#### Quantity B

The probability of getting no heads when a fair coin is flipped 5 times

#### Quantity A

The sum of the areas of two equilateral triangles whose sides are 10

#### Quantity B

The area of one equilateral triangle whose sides are 20

#### Quantity A

The number of 3-digit integers all of whose digits are even

#### Quantity B

The number of 3-digit integers all of whose digits are odd

The sides of the large square are S. The sides of the small square are s. The area of the shaded region and white region are equal.

#### Quantity A

$\frac{S}{s}$

#### Quantity B

1.5 The shaded region above is bounded by two semicircles and two sides of square ABCD. The perimeter of the shaded region is 4 + 2 π.

#### Quantity A

The area of the shaded region

#### Quantity B

1 Scott has b baseball cards. Brian has one card more than Scott has. Adam has three cards fewer than Scott has. In terms of b, how many cards do the three boys have altogether?
Consider the following list of numbers that represent the number of text messages that Geraldine received on 10 consecutive days: 10, 9, 1, 3, 7, 7, 8, 3, 4, 3. Which of the following statements concerning this set of data are true? Indicate all such lengths.
1 2 ... 4 5 6 7 8 9 10 ... 283 284

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