展开全部

题目列表

题目内容
Set $$S$$ has twice as many members as set $$R$$, and the two sets have some members in common.

Quantity A

The number of members that are in $$S$$ and not in $$R$$

Quantity B

Twice the number of members that are in $$R$$ and not in $$S$$


Of the vehicles in a parking lot, 38.75 percent are trucks and 52.5 percent are cars. What fraction of the vehicles in the parking lot are neither trucks nor cars?
A large number of samples of water were tested for the presence of two different minerals, $$X$$ and $$Y$$. Of all the samples tested, 52 percent showed the presence of $$X$$, 18 percent showed the presence of $$Y$$, and 10 percent showed the presence of both $$X$$ and $$Y$$.

Quantity A

The percent of all the samples tested that showed the presence of neither X nor Y

Quantity B

$$34%5$$


In a survey of 300 television watchers, $$\frac{1}{5}$$ said they like news programs and $$\frac{1}{4}$$ said they like sports programs.

Quantity A

The greatest possible number of those surveyed who said that they like both news programs and sports programs

Quantity B

$$60$$


In a group of 38 college students, 28 are sophomores and 15 are chemistry majors. Which of the following could be the number of students in the group who are both sophomores and chemistry majors? Indicate all such numbers.
In a survey of 100 teenagers, 71 of the teenagers reported using at least one of three social media sites-$$A, B$$, and C-and 30 reported using all three sites. At least 15 of the teenagers reported using only site A and at most 15 of the teenagers reported using only site $$B$$. Which of the following values could be the number of teenagers who reported using only site $$C$$? Indicate all such values.
Three people are in the process of reviewing 50 grant proposals. The numbers of proposals that each has reviewed so far are 32, 28, and 25, respectively.

Quantity A

The number of proposals that have been reviewed by at least 2 reviewers

Quantity B

$$32$$


10, 13, 16, 19, 22……… The first term in the sequence shown is 10, and each term after the first is 3 greater than the previous term. What is the value of the 92nd term in the sequence?
A bag contains only red marbles and blue marbles and contains at least two of each color.

Quantity A

The probability of drawing a red marble after an additional blue marble has been placed in the bag

Quantity B

The probability of drawing a red marble after one of the red marbles has been removed from the bag


For each order of envelopes, a company charges d dollars per box for the first 100 boxes and $$\frac{2d}{3}$$ dollars per box for any boxes in excess of 100. lf the company charges $660 for an order of 250 boxes of envelopes, what is the value of d?
Nineteenth-century England presents something of (i)_____________, at least to those who believe that (ii)_____________ best promotes business ethics. The defining characteristic of English company law at that time was its extreme degree of permissiveness: laissez-faire ruled in Parliament, caveat emptor in the courts, creating the ideal breeding ground for fraud and dishonesty. Yet these were the years when London became the financial center of the world and established its status as a (iii)_____________ place to do business.
While the _____________ of reliable sources in later narratives make many details of the early history of China's Zhou dynasty unverifiable, the Zhou rulers' successful rise to power is certain.
Those who admired Callas felt that she was one of the greatest opera singers of all time, while others believed that her vocal inadequacies _____________ such a claim.
Refusing to speak plainly, the candidate tested her audience's patience with her _____________ speech.
Their remote jungle habitat and their extreme shyness have (i)_____________ any thorough investigation of orangutans except in the (ii)_____________ conditions of captivity.
Far-reaching explanations of many anomalous phenomena observed during solar eclipses have been (i)_____________ many scientists, who maintain that the correct explanations are (ii)_____________, having to do with fluctuations in temperature, atmospheric pressure, or other environmental parameters, rather than some (iii)_____________ eclipse-related factor.
Gutiérrez is the only one who seems to be (i)_____________ the controversy sparked by his article: his appetite for scientific (ii)_____________ seems, if anything, to be increasing with age.
Kennedy's novels have a baffling way of engaging us as readers and then (i)_____________ our involvement. It is not that she gives us wooden characters or poor writing or foolish plots. Rather, her books seem so adroitly written and carefully conceived, they strike us as so (ii)_____________ as we read them, that it comes as a surprise to reach the end and find them ultimately so (iii)_____________.
The mountain pine beetle is not _____________ like other major pests ravaging much of the American landscape: it is native to the western pine forests.
Few consumers think of food as having a production history. Rather, our food seems (i)_____________ those who grow, process, and serve it. Our food supply system encourages us to ignore connections between what we eat and its past, and, until recently, such (ii) _____________ on our part scarcely impacted consumer health.

共收录:

25000 +道题目

245本备考书籍

最新提问