题目列表

In each of the years 1989 and 1990, the total weight of recycled newspapers in a certain country increased by .79 million tons over the previous year.

Quantity A

Percent increase in the weight of recycled newspapers in 1989 over 1988

Quantity B

Percent increase in the weight of recycled newspapers in 1990 over 1989

Quantity A

The total weight of m peanuts at a weight of n + 3 mg each

Quantity B

The total weight of n almonds at a weight of m + 3 mg each

Quantity A

$(5^{27})(575)$

Quantity B

$(5^{28})(115)$

Alejandro has a six-sided die with faces numbered 1 through 6. He rolls the die twice.

Quantity A

The probability that both rolls are even

Quantity B

The probability that neither roll is a multiple of 3

If 4(r – s) = –2, then what is r, in terms of s ?
At Tenderloin Pharmaceuticals, 25 percent of the employees take the subway to work. Among those who ride the subway, 42 percent transfer from one subway line to another during their commutes, and the rest do not transfer. What percent of all employees transfer lines?

_____percent
To make bread dough, a baker mixes flour, eggs, yeast, and salt by weight in the ratio of 11 : 9 : 3 : 2, respectively. How many pounds of yeast are there in 20 pounds of the mixture?
$(\sqrt5-\sqrt3)^2=$
?ABC has an area of 108$cm^2$. If x and y are both integers, which of the following could be the value of x ?

Indicateallpossible values.
The average (arithmetic mean) weight of 5 crates is 250 pounds. The 2 lightest crates weigh between 200 and 205 pounds each, and the 2 heaviest weigh between 300 and 310 pounds each. If the weight of the fifth crate is x pounds, then x is expressed by which of the following?
A mathematician has devised a theorem that produces a series of numbers$s_1,s_2-s_xaccording to the principless_1=2,s_2=2,s_3=2$, and for x ≥ 4,$s_x=2s_(x–1)+s_(x–2)$. Which of the following equals s_6 ?
Y is a point on line segment XZ such that XY =$\frac{1}{2}$XZ. If the length of YZ is 4a + 6, and the length of XZ is 68, then a =

_____
Talk show host Ralph Burke has exactly one guest on his show each day, and Burkes show airs every Monday through Friday. Burke always schedules politicians on Mondays and Wednesdays, actors on Tuesdays and athletes on Thursdays, but can have a guest of any one of these three kinds on Friday. No guest appears more than once per week on Burkes show. If Burke has five politicians, three actors and six athletes he could invite, and if no politician is also an actor or an athlete and no actor is also an athlete, how many different schedules of guests from Monday to Friday could Burke create?
Despite what _____philosophies of child-rearing suggest, there is no imperative that the day-to-day action of raising a child be simple, unambiguous and unchanging-no requirement, in other words, ensures that life follow philosophy.
Several cultures throughout the world and many informal subcultures within the United States (i)_____the Winter Solstice, the (ii)_____day of the year, as a time to welcome back the lengthening of each day.
The novel emphasizes the innate (i)_____ of all humans, showing how each and every character within the narrative is, ultimately, (ii)_____. This motif becomes tiresome due to its (iii)_____, however, as character after character is bribed, either explicitly or implicitly, into giving up his or her supposedly cherished beliefs.
Although pirating software, such as borrowing a friends copy of an installation CD or downloading software from unapproved sources is (i)_____, many people continue to do so (ii)_____, almost as if they were unaware of the potential consequences if they were caught.
Having squandered his lifes savings on unprofitable business ventures, the _____entrepreneur was forced to live in squalor.
Teachers of composition urge their students to (i)_____in their writing and instead use clear, simple language. Why use (ii)_____ vocabulary when a (iii)_____phrasing conveys one`s meaning so much more effectively?
The cost of operating many small college administrative offices is significantly reduced when the college replaces its heavily compensated administrative assistants with part-time work-study students whose earnings are partially subsidized by the government. Therefore, large universities should follow suit. They will certainly realize more financial gains than do the small colleges.

In the above argument it is assumed that

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