#### 题目列表

The table shows the frequency distribution of the random variable Y. What is the median of the distribution of the values of Y ? r>0

p is 75 percent of r.

Quantity A:50 percent of p

Quantity B:25 percent of r

From the cars manufactured in 2005 indicated in the table, one car is to be selected at random from the model A cars and one car is to be selected at random from the model B cars.

Quantity A: The probability that the model A car selected will be one that required repairs in its first year

Quantity B: The probability that the model B car selected will be one that required repairs in its first year x>0

Quantity A:$\frac{x}{x+1}$

Quantity B:$\frac{x+1}{x+2}$
In the xy-plane, P and Q are two points on the line with equation y=2x+1. The x-coordinates of P and Q are 2 and 6, respectively.

Quantity A:The length of line segment PQ

Quantity B:9

In the circle with center G, arc MKN has length $\frac{8}{3}π$.

In the circle with center J, arc PQR has length $\frac{16}{3}π$.

Quantity A:a

Quantity B:b y+2<0

Quantity A:$\frac{|y|}{y}$

Quantity B:-2

On the number line shown, a and b are the coordinates of two points.

Quantity A:ab

Quantity B:-ab A small company made a profit of $9,000 last quarter. The dollar amount of the profit was distributed equally among the 4 divisions of the company. If each division distributed its dollar amount of the profit equally among the people in the division, how much more money did a person in a division of 6 people receive than a person in a division of 10 people?$_____
In a social group 62 members enjoy dancing and 28 members enjoy hiking. If each of the 75 members in the group enjoys dancing or hiking, how many members enjoy both dancing and hiking?
On each of the first 15 days of April, Aaron spent 5 percent of his monthly income for April. If at the end of the 15th day of April, he had $1,250 of his monthly income remaining, what was his monthly income for April? A school stadium contains 2,000 seats. For a certain game, student tickets cost$3 each and nonstudent tickets cost $6 each. What is the least number of nonstudent tickets that must be sold so that the total ticket sales will be at least$8,400 ?
If r, s, and t are consecutive positive integers and r< s< t, which of the following statements must be true?

Indicate all such statements.
26, 29, 32, 33, 36, 37, 41, 42, 48, 50

The 10 numbers in list M (not shown) are determined by multiplying each of the 10 numbers in the list above by 5 and then subtracting 20 from each product. How many times greater is the range of the numbers in list M than the range of the numbers in the list above?

_____times greater
In which of the following years was the number of foreign-born residents greatest?
From 1960 to 1980, the total population increased by approximately what percent?
The ratio of the number of foreign-born residents in 1900 to the number of foreign-born residents in 1980 is closest to which of the following?
The sides of a triangle have lengths 7.5, 11, and x. If x is an integer, what is the least possible value of x ?
When the integer n is divided by 24, the remainder is 21. Which of the following must be a divisor of n ?
What is the value of the smallest positive integer n for which $6^n$ is a multiple of 24 ?

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