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In a sample of $$n$$ people, 80 percent of the people filled out a questionnaire. If 65 percent of those who filled out the questionnaire are college graduates, what is the greatest possible percent of college graduates in the sample of $$n$$ people?
In a group of 150 people, 40 percent are older than 60 years and 80 percent are employed.Which of the following could be the number of people who are both employed and older than 60 years?
Indicate all such numbers.
The area of square S is twice the area of square T.

Quantity A

The length of a diagonal of square T

Quantity B

The length of a side of square S


If $$T=4n^{2}+3$$ and $$n$$ is an integer, which of the following could be the units digit of $$T$$?

Indicate all such digits.

If $$y=\frac{x+w}{2}$$ , what is $$w-y$$ in terms of $$x$$ and $$y$$?
$$1 \lt x \lt 2$$

Quantity A

$$\frac{1}{x}+\frac{2}{x}+\frac{3}{x}$$

Quantity B

$$x+\frac{x}{2}+\frac{x}{3}$$


Of the 7 balls in an urn, exactly one is red. Balls are to be selected from the urn one at a time, randomly and without replacement, until the red ball is selected. After the red ball is selected, no more balls will be selected.

Quantity A

The probability that a total of 3 balls will be selected

Quantity B

The probability that a total of 4 balls will be selected


The ratio of the number of males to the number of females in a mathematics class is 4 to 5. The corresponding ratio in an English class is 5 to 4. There are 50 percent more males in the English class than there are in the mathematics class. What is the ratio of the number of females in the mathematics class to the number of females in the English class?
How many integer values of n satisfy the inequality | 3-n | ≤ 4 ?
Vladimir invested $10,000 for one year. He invested some of the amount at 4 percent simple annual interest and the rest of the amount at 6 percent simple annual interest.

If the total interest earned for the year was between $450 and $550, which of the following statements must be true?.

Indicate all such statements.
The 50 students in an art class were given an assignment to visit two museums,A and B.During the week after the assignment was given, 25 of the students visited Museum A and 10 of those 25 students also visited Museum B.

Which of the following statements individually provide(s) sufficient additional information to determine how many of the students visited Museum B during that week?

Indicate all such statements.
Of the 120 first-semester students entering a certain college, $$\frac{3}{5}$$ registered for a statistics class and $$\frac{1}{2}$$ registered for a calculus class. Which of the following could be the number of first-semester students entering the college who registered for a statistics class but did not register for a calculus class?
Indicate all such possible numbers.
All of the 80 science students at a certain school are enrolled in at least one of three science courses: biology, chemistry, and physics. There are 60 students enrolled in biology, 50 students enrolled in chemistry, and 35 students enrolled in physics. None of the students are enrolled in all three courses. Which of the following could be the number of students enrolled in both chemistry and physics?
Indicate all such numbers.
Eugene and Penny started a job in sales on the same day. Eugene's sales for the first month were $$r$$ dollars and each month after the first his sales for that month were twice his sales for the preceding month. Penny's sales for the first month were $$10r$$ dollars, and each month after the first her sales for that month were $$10r$$ dollars more than her sales for the preceding month. Which of the following statements are true?
Indicate all such statements.
The sequence $$a_{1},a_{2},a_{3}.....a_{n}$$....is defined by $$a_{1}=2$$, $$a_{2}$$=3, and $$a_{n}$$=$$(a_{n-1})(a_{n-2})$$ for all integers n greater than 2. What is the value of $$a_{8}$$?
S={1, 2, 3}
T={1, 2, 3, 4}

Quantity A

The total number of 4-digit positive integers that can be formed using only the digits in set S

Quantity B

The total number of 3-digit positive integers that can be formed using only the digits in set T


What is the tens digit of $$\frac{39!}{29!}$$?
A telephone system has $$n$$ telephone lines. For each of the $$n$$ lines, the event that the line will fail during a certain reliability test has probability $$0.3$$, and these $$n$$ events are independent. If the probability that at least one of the $$n$$ lines will not fail during the reliability test is greater than $$0.99$$, what is the minimum value of $$n$$?
In 1998, how many of the imported towels were not imported from China?
If the average (arithmetic mean) number of towels imported from China per month was the same for the last 3 months of 2000 as it was for the first 9 months of 2000, approximately how many million dozen towels were imported from China during the 12 months of 2000?

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