#### 题目列表

List L consists of 11 different positive numbers. The sum of the 6 smallest numbers in L is 35, and the sum of the 6 greatest numbers in L is 125. If the sum of all the numbers in L is 142, what is the median of the numbers in L?
On May 5, 2004, the closing price of Stock A was \$60.00, which was a decrease of 8 percent from the closing price of the stock on the previous day, May 4, 2004. On May 6, 2004, the closing price of the stock was exactly the same as the closing price on May 4, 2004. What was the percent increase in the closing price of the stock from May 5, 2004 to May 6, 2004?

_____%

A certain closed curve consists of n semicircles having the same radius of $\frac{r}{n}$ together with a larger semicircle having a radius of r. The n semicircles are aligned along the diameter of the larger semicircle as indicated in the figure for n=7. The area of the region enclosed by the curve, in terms of n, and r, is which of the following? In 1992, if 7.9 percent of the families in the survey owned both savings bonds and mutual funds, what percent of families owned neither savings bonds nor mutual funds?
$(-0.5)^{-2}$, $(-0.5)^{-1}$, $(-0.5)^{0}$, $(-0.5)^{1}$, $(-0.5)^{2}$,

What is the range of the 5 numbers listed?
$a_1$, $a_2$, $a_3$,......,$a_{150}$

The $n_{th}$ term if the sequence shown is defined for each integer n from 1 to 150 as follows. If n is odd, then $a_n$=$\frac{(n+1)}{2}$, and if n is even, then $a_{n}$=$(a_{n-1})^{2}$. How many integers appear in the sequence twice?
Some critics claim that because medical journals receive (i) _____________ selection of findings from clinical trials--mainly those trials that show (ii) _____________ results for the drugs being tested--readers of those journals believe that some medications are more(iii) _____________ than they really are, even when those medications are little more than placebos.
If the numbers of job postings for each language and year except Java in 2018 were as shown, and if the range of the numbers of job postings for 2018 had been equal to that for 2017 instead of what it actually was, what would have been the number of job postings for Java in 2018?

_____thousand
Set A, B, and C are subsets of a universal set U, as represented by the circular regions in the following diagrams. The set $\overline{B}$ consists of the elements in U that are not in B, and the set $\overline{C}$ consists of the elements in U that are not in C. The set A∩((B∩$\overline{C}$)∪(C∩$\overline{B}$)) is represented by the shaded regions in which of the following diagrams? x and y are integers

$9^{6x}$=$81^{3y}$

x

y

r

#### Quantity B

12 The set S consists of all of the different ordered pairs (x, y) for which x is a positive integer less than 50 and $y=\frac{1}{2}x+10$.

#### Quantity A

The number of ordered pairs in S for which y is not an integer

#### Quantity B

25

A group of 10 couples plans to rent bayside summer houses on Island X from Realtor M for a certain week. The total rental cost for the houses will be evenly distributed among the 10 couples, and each couple will have their own bedroom. If Realtor M has at least three bayside summer houses of each type available that week, what is the least possible rental cost per couple? x is a negative integer and y=2(x-3).

y

#### Quantity B

0

$1.25+y^{2} < 2$

y

0.88

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