y > 0

#### Quantity A

$(\sqrt{y})^{2}$

#### Quantity B

|y|

m > n

Quantity A:|-m|-|-n|

Quantity B:|-n|-|-m|
If x < y,which of the following must be true?

Indicate all such items.
Ix-7l ≤ 3,|y-2| ≤ 10. What is the least possible value of y-x?
If |3x+2| < 5, then which of the following statements must be true?

Indicate all such statements.
The sum of the 5 yuan cash and 10 yuan cash is 1575, the number of 10 yuan cash is three times as many as the number of 5 yuan cash, what is the number of 10 yuan cash?
What percent of $\frac{1}{2}$ is $\frac{2}{3}$?

A family paid 15 percent of its annual after-tax income on food last year. This amount was equal to 10 percent of its annual before-tax income last year. What percent does the after-tax income accounts for the before-tax income?

Among a survey to drivers, 36% of male driver, and 48% of female driver hate driving in the night, which is also 45% of all the drivers, what percent of all the drivers are male drivers?

There is a big bottle full of water, now pour half of the water into a small bottle and the small bottle is filled up. Then pour 25% water from the small bottle back into the big bottle. What is the percent of the water now in the big bottle?

When delivering 104 total pieces of newspaper for a community, the number of households that subscribe to 3 pieces of newspaper is twice as many as the number of household that subscribe to 1 piece of newspaper, while the number of households that subscribe to 2 pieces of newspaper is three times as many as the number of household that subscribe to 1 piece of newspaper. What is the number of households that subscribe to 2 pieces of newspaper?
Students T, S and R have some shoes, the number of Ts shoes is $\frac{1}{3}$ of Ss, and the number of Rs shoes is twice as many as Ss. If the number of Rs shoes are less than 30. What is the possible number of Rs shoes?

Indicate all such items.
Company A has twice as many employees as Company B, and the two companies have no employees in common. If 64 percent of the employees of Company A are women and 52 percent of the employees of Company B are women, what percent of all the employees of the two companies are women?

There are three kinds of balls, red, blue and green, there are 4 times as many red balls as green balls, and 3 times as many red balls as blue balls. If the number of green balls is a positive even, and the number of blue balls is at least one. What is the least number of red balls?
Students in a school are either graduate or undergraduate,if 60% of the students are graduate,30% of the graduate are majoring in engineering,and 40% of undergraduate are majoring in engineering, what percent of the engineering-students are graduate?

The fee of tuition plus accommodation is 42,000 this year, which is 5% higher than last year. Specifically, the accommodation fee increases by 2% and reaches 10,200 this year. If so, by what percent does the tuition increase from last year to this year?

_____%
The price of B is 20% greater than the price of A,and the price of A is 15% less than the price of C. If the price of C is $1.38,the price of B is what percentage higher than the price of C? Give your answer as a percent. A person sold his one house at the price which is 20% less than the price he bought it, and he sold his another house at the price which is 20% more than the price he bought it, and the two houses were sold at the same prices,$192000. Then what percent is the sum of the prices he bought the two houses before more than \$384,000?

M company consists of A and B two divisions, Ms income is 42000, and its 5% higher than last year. Division As income is 10200, and its 2% higher than last year. What percent did B increase than last year?

_____%
In the first year, the sales of a store is a. Its sales increase by x% every two years, and reach 1.4a in the fifth year.

x

20%

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