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题目内容
$$\frac{6}{1.8}$$=$$\frac{z}{0.9}$$

Quantity A

z

Quantity B

3.8
$$\frac{2x-3}{x-1}$$=0

Quantity A

x

Quantity B

1
$$\frac{x+3y}{-2}$$ = $$\frac{2x+y}{-3}$$

If x and y are positive integers in the equation shown, what is the least possible value of x+y?
If x and y are positive numbers and the ratio of x to y is 5 to 4, which of the following ratios must be equal to 6 to 5?
$$\frac{x+3y}{-2}$$= $$\frac{2x+y}{-3}$$

If x and y are positive integers in the equation shown, what is the least possible value of x+y?
N copies of a certain health magazine cost a total of $64.

R copies of a certain news magazine cost a total of $80.

Quantity A

The ratio of the cost of 1 of the health magazines to the cost of 1 of the news magazines

Quantity B

$$\frac{4}{5}$$
Q unit of water is used to irrigate n acres of land. How many acres of land can 1000 units of water irrigate?
A building with an area of x acres can be divided into many lots. The area of each lot is either $$\frac{1}{4}$$ acre or $$\frac{1}{2}$$ acre.

Quantity A

The greatest possible number of lots minus the least possible number of lots

Quantity B

x
The reduced price of a certain television was x percent less than the television's original price. The ratio of the reduced price of the television to the original price was 5 to 6.

Quantity A

x

Quantity B

20
At a certain farm, there are horses, goats, and sheep. The ratio of the number of horses to the number of goats is 4 to 3. The ratio of the number of horses to the number of sheep is 3 to 2. If there are 24 sheep at the farm, how many goats are at the farm?
Container R, S, and T are all water containers. At first, R container is 5/8 full, S is $$\frac{1}{4}$$ full, while container T is empty. When all the water in container R and S are filled into container T, container T will be $$\frac{3}{4}$$ full. What is the volume of T in terms of S and R?
Let $$m$$ be an integer greater than $$4$$.

Quantity A

The number of combinations of $$3m$$ objects taken $$m+9$$ at a time

Quantity B

The number of combinations of $$3m$$ objects taken $$2m-9$$ at a time
A box contains a certain number of cards, each of which is labeled by one of the values 4, 8, or 10. The numbers of cards labeled by each value are directly proportional to the values on the cards. What is the least possible number of cards in the box labeled by the value 10?
In the four quarters of 2013, denoted by $$Q_1$$, $$Q_2$$, $$Q_3$$ and $$Q_4$$, Company C hired the same number of employees in $$Q_2$$ as in $$Q_1$$ and twice as many employees in $$Q_3$$ as in $$Q_2$$. The number of employees hired by the company in $$Q_4$$ was greater than the number of hired in $$Q_3$$; however, the number hired in $$Q_4$$ was also less than 3 times the number hired in $$Q_3$$. All of the employees were hired only once. If an employee is to be selected at random from all the employees hired during the four quarters, which of the following values could be the probability that the employee will be one who was hired in $$Q_4$$?

Indicate all such values.
If k and n are distinct digits and k > n, which of the following is the greatest?
What is the sum of the repeating decimals of the form $$0.\overline {cd}$$, where c and d are digits such that c < d and c+d=5?

Give your answer as a fraction.
x is a positive number. $$x^{2}$$ is an integer that 7 < $$x^{2}$$ < 12

Quantity A

x

Quantity B

3
Metal rod M measures between 8.65 meters and 8.75 meters in length; metal rod R measures between 8.70 meters and 8.80 meters in length.

Quantity A

The length of metal rod M

Quantity B

The length of metal rod R
Points S and T are lies on the segment PQ, the distance of PQ is 16, the distance of PS is 7, the distance of ST is 2.

Quantity A

The distance of PT

Quantity B

The distance of QT
$$b \lt 0$$

Quantity A

|$$-b^{3}$$|

Quantity B

$$-b^{3}$$

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