展开全部

题目列表

题目内容
$$-6, |-8|, 4, \sqrt17, 7$$
How many of the five numbers shown have the property that the square of the number is 4 more than a multiple of 5?

Quantity A

The range of four consecutive multiples of $$2^3$$

Quantity B

$$24$$


In a list of $$16$$ consecutive multiples of $$5$$, ordered from least to greatest, the difference the $$2$$nd and $$15$$th numbers is what fraction of the difference between the first and last numbers?
Sixteen fence posts are equally spaced in a straight line along a property line. The distance between the first post and the last is $$240$$ feet.

Quantity A

The distance between the $$5$$th post and the $$8$$th post

Quantity B

$$45$$ feet


There are $$16$$ integers between $$1$$ and $$200$$ that are multiples of $$12$$. If one of these integers is randomly chosen, what is the probability that the chosen integer will be a multiple of $$9$$?
How many multiples of $$5$$ are there from $$55$$ to $$505$$, inclusive?

Quantity A

The number of multiples of $$3$$ between $$1$$ and $$10,000$$

Quantity B

The number of multiples of $$7$$ between $$1$$ and $$23,000$$


How many positive two-digit integers are not divisible by $$4$$?
Container $$Q$$ contains exactly $$120$$ balls and container $$R$$ contains exactly $$6$$ balls. The balls in container $$Q$$ are numbered from $$1$$ to $$120$$, respectively, and the balls in container $$R$$ are numbered from $$1$$ to $$6$$, respectively. A ball is to be chosen at random from each of containers $$Q$$ and $$R$$

.

Quantity A

The probability that the number of the ball chosen from container $$Q$$ will be divisible by $$2$$ or $$3$$

Quantity B

The probability that the number of the ball chosen from container $$R$$ will be divisible by $$2$$ or $$3$$


Fred receives $$40$$ channels, numbered with the integers from $$1$$ to $$40$$, on his television set. If he is to select a channel randomly, what is the probability that the channel number will be divisible by $$4$$ or $$5$$ or both?
$$S$$ is the set of all 2-digit integers that are multiples of $$3$$.

Quantity A

The number of even integers in $$S$$

Quantity B

$$15$$


Quantity A

The number of positive integers that are factors of both $$24$$ and $$30$$ but are not factors of $$20$$

Quantity B

The number of positive integers that are factors of both $$20$$ and $$30$$ but are not factors of $$24$$


If n is an integer and $$\frac{n-5}{2}$$is an integer, which of the following must be an integer?
$$h$$ and $$m$$ are positive integers.
$$(10^{50})h+m$$ is divisible by $$9$$.

Quantity A

The remainder when $$h+m$$ is divided by $$9$$.

Quantity B

$$5$$


What is the least positive integer $$k$$ such that $$\frac{(4)(5)(6)(7)(8)(9)+2k}{10}$$ is an integer?

Quantity A

The remainder when the sum of $$3$$ consecutive positive integers is divided by $$2$$

Quantity B

The remainder when the product of $$3$$ consecutive positive integers is divided by $$2$$


The sum of an integer $$k$$ and the square of $$k$$ CANNOT be a
The sum of an integer $$k$$ and the square of $$k$$ CANNOT be a

Quantity A

The smallest positive integer that is a multiple of both $$3$$ and $$12$$

Quantity B

The smallest positive integer that is a multiple of both $$3$$ and $$4$$


$$n$$ is a multiple of $$6, 7$$, and $$9$$.
$$200 \leq n \leq 300$$

Quantity A

$$n$$

Quantity B

$$250$$


共收录:

25000 +道题目

256本备考书籍

最新提问