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题目内容
A certain benefits and incentives package consists of 2 benefits to be chosen from the benefits offered by more than $$\frac{1}{2}$$ of all the companies surveyed and 1 incentive to be chosen from the incentives offered by more than $$\frac{1}{3}$$ of all the companies surveyed. How many such packages are possible?
The ratio of the number of companies offering both a stock-options incentive and one of the benefits listed to the number of companies offering that benefit is greatest for which of the five benefits?
A box at a yard sale contains 3 different china dinner sets, each consisting of 5 plates. A customer will randomly select 2 plates to check for defects. What is the probability that the 2 plates selected will be from the same dinner set?
On a certain map, 1 centimeter represents 5 kilometers. On the map, region X has an area of 6.4 square centimeters.

Quantity A

The actual area of region X

Quantity B

150 square kilometers
Which of the following is most nearly equal to $$\frac{2.5*10^{6}}{2.5*10^{6} - 3.5*10^{-6}}$$?


Quantity A

The number of points in the plane that are equidistant from all the three lines k, m, and p

Quantity B

3
If x and y are positive integers and x < y, how many different ordered pairs (x, y) are there such that the sum of x and y is 87 and x and y have the same tens digit?
n is an integer greater than 200 and less than 300, and has a tens digit of x and units digit of 5

Quantity A

$$\frac{n}{5}$$

Quantity B

40+2x

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