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Thirty percent of the members of Club A are also members of Club B. Forty percent of the members of Club B are also members of Club A.

Quantity A

The total number of members of Club A

Quantity B

The total number of members of Club B


There are 120 students in the class. 3/5 of them attend match class, and 1/2 of them attend English class. Which of the following could be the number of students who only attend match class? Indicate all such measures.
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.
What percent of non-negative integers less than 2000 is perfect square?

Give your answer to the nearest hundredths of a percent.

_____%

Quantity A

$$\sqrt[3]{270}$$ - $$\sqrt[3]{10}$$

Quantity B

$$\sqrt[3]{80}$$


A group of adults and children spent a total of $420 for tickets and food at the circus. Tickets to the circus cost $20 per adult and $10 per child. If the group spent an average of $21 per person for tickets and food, and there were the same number of adults as children in the group,what was the total amount that the group spent on food at the circus?
3x+y=12

x+$$\frac{y}{3}$$=4

Quantity A

x

Quantity B

y


A certain number of balls can be equally divided into x boxes. If these balls can be equally divided into (x-3) boxes with 12 balls in each box and there will still be 5 balls outside. What is the value of x?
x * y=2

x + y=3

Quantity A

(y-2)(y-1)

Quantity B

0


In a game, Mark could pick up either 2 point card or 4 point card. The average points of all the card he picks is 3.8.

Quantity A

The product when multiplying 9 and the number of times he picks up 2 point cards

Quantity B

The number of times he picks up 4 point cards


x=a-b, y=b-c, z=c-a

Quantity A

$$(x+y+z)^{2}$$

Quantity B

1


If 6x+7y+8z=121,8x+7y+6z=140,what is the result of x+y+z? Give your answer as a fraction.
p=2c,t=($$\frac{1}{2}$$)c-p,i=c-50. Which of following statement individually provides sufficient additional information to determine the value of c?

Indicate all such statements.
If f(x)=$$x^{2}$$+2x, g(x)=3x+2, what is the least value of x when f(x)=g(x)?
-1 < x < y < 0

Quantity A

2x

Quantity B

y


a, c and k are positive integers.

Quantity A

$$\frac{a}{c}$$

Quantity B

$$\frac{(a+k)}{(c+k)}$$


If a and b are positive numbers and a + b =10,what is the greatest possible value of ab?
The average height of the first five people is 60 inches, and the average will become over 60 inches when the sixth one joins, what is the height of the sixth person could be?

Indicate all such possible heights.
In a poll of 1,200 men and women, more than half of those polled were men. Of those polled, 30 percent of the women favored a plan to increase government spending on public schools and 10 percent of the men favored the plan. Of the 1,200 men and women polled, the number who favored the plan was
Which of the following functions f defined for all numbers x has the property that f(-x)=-f(x)?

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