展开全部

题目列表

题目内容
There are 30 students in the class. 17 of them join the music club, and 15 of them join the science club. If everyone must join at least one club, then what`s the number of students who join both clubs?
If 2/3 of employees are working on project A, and 1/5 of the rest of the employees are working on project B. What is the ratio of employees who neither work on project A nor work on project B?

Give your answer as a fraction.
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.
In a certain class,40% take A,40% take B,20% take A and B,what percent of students take neither A nor B?
Give your answer as a percent.
______%
There are 80 students in a class. 40 of them choose biology, and 30 of them choose chemistry. Which of the following can independently identify the number of students who choose both biology and chemistry?
Indicate all such statements.
Of the 1,000 people, there are 300 people who are 40 years old or older, and 320 women who are younger than 40 years old. What is the number of men younger than 40 years old?
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?
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.
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


共收录:

25000 +道题目

236本备考书籍

最新提问