# 考满分网

#### 题目列表

In 1988 Mr.Smith's annual income was greater than Mrs.Smith's annual income.In 1989 Mr.Smith's annual income decreased by ppercent.whereas Mrs.Smith's annual income increased by p percent.p>0

#### Quantity A

Mr.and Mrs.Smith's combined annual income in 1988

#### Quantity B

Mr.and Mrs.Smith's combined annual income in 1989

The price of a certain stock was$12·(\frac{1}{2})$ dollar per share.The price increased x percent to $15·(\frac{5}{8})$ dollars per share.

x

20

#### Quantity A

$\frac{1}{1-0.03}$

#### Quantity B

1.03

The original value of machine X is Vdollars.while the original value of machine Y is 2Vdollars.Both machines depreciate in value at a constant rate of 10 percent of their original value per year.

#### Quantity A

The value of machine X after 3 years

#### Quantity B

The value of machine Y after 6 years

#### Quantity A

The two-digit integer that equals twice the sum of its digits

#### Quantity B

16

When the even integer n is divided by 7，the remainder is 3.

#### Quantity A

The remainder when n is divided by 14.

#### Quantity B

10

$x$ represents the greatest integer less than or equal to x and #x# repreaents the least integer greater than or equal to x.

#### Quantity B

6,400

In a bowl that contains 20 marbles，7 are green，6 are red，and the remainder are blue.Two marbles are to be drawn at random from the bowl without replacement.

#### Quantity A

The probability that one marble is green and the other marble is red

#### Quantity B

The probability that one marble is green and the other marble is blue

The 20 people at a party are divided into n mutually exclusive groups in such a way that the number of people in any group does not exceed the number in any other group by more than 1.

#### Quantity A

The value of n if at least one of the groups consists of 3 people

#### Quantity B

6

If n is a positive integer，then n+ denotes a number such that n < n+< n +1.

20+/4+

#### Quantity B

5+

If w,x,y,and z are all integers such that 1 < w < x < y < z and wxyz=462.

w+z

10

#### Quantity B

The total number of ways to distribute the bills

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44本权威书籍