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Magoosh
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If the average (arithmetic mean) of x, y, and 20 is 11, then the average of 2x + 3, 2y - 4, and 8 is
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Magoosh
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If $$xy \neq 0$$ , and 75 percent of x equals 125 percent of y , which of the following is true?
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Magoosh
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In the twentieth century, the visual arts have embarked on major experimentation, from cubism to expressionism. While tastes always vary, there are certainly some people who find beautiful objects of each of the art movements of the first half of the twentieth century. In the latter half of the twentieth century, though, most works are so abstract or shocking that neither the critic nor the general public uses the word "beautiful" to describe them: indeed, sometimes late twentieth-century artists have, as one of their expressed goals, the creation of a work that no one could find beautiful. Whatever these artists are creating may be intellectually engaging at some level, but it is no longer art.
Which of the following is an assumption that supports drawing the conclusion above from the reasons given for that conclusion?
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Magoosh
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$$(2\sqrt{3}+\sqrt{5})(2\sqrt{3}-\sqrt{5})$$
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Magoosh
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Radon-210 is more radioactive than Technetium-99. Since Promethium-61 is more radioactive than Protactinium-234, it follows that Radon-210 is more radioactive than Protactinium-234. Any of the following, if introduced into the argument as an additional premise, makes the argument above logically correct EXCEPT:
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Magoosh
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Line k is in the rectangular coordinate system. If line k is defined by the equation 3y = 2x + 6, and line k intersects the x-axis at point (a,b), then what is the value of a?
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Magoosh
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Sue planted 4 times as many apple seeds as she planted orange seeds. 15 percent of the apple seeds grew into trees, and 10 percent of the orange seeds grew into trees. If a total of 420 apple trees and orange trees grew from the seeds, how many orange seeds did Sue plant?
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Magoosh
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In economics, a "Veblen good" is an item which people buy in greater quantity when the price goes up. According to the Law of Supply and Demand, when the price of an ordinary item goes up, demand drops, i.e. people buy fewer of them. A Veblen good is a luxury item to which status is attached, such as a designer outfit or luxury car. As the price of such an item increases, its prestige increases, which makes the item that much more desirable.Therefore, as the price increases, the demand also increases, and more of these items are sold.In the argument, the two portions in boldface play which of the following roles?
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Magoosh
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If the average (arithmetic mean) of 3, 8, w, x, and y is 14, then the average of w + 2, x - 3, and y + 8 is
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Magoosh
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If $$xy \neq 0$$ and 2x + 3y is equal to 175 percent of 8x, then x/y =
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Magoosh
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Cognitive psychologist: The argument against IQ as a hereditary trait that is fixed throughout one's lifetime ignores the evidence of eye orientation. That is, there is a high correlation between the speed in which a person's eyes orient towards a stimulus and that person's IQ. Specifically, an experiment measured the number of milliseconds subjects required to orient their eyes to the where on a large screen a word was flashed. The study found that the more rapid the response the higher that person's IQ. Which of the following is an assumption the cognitive psychologist makes?
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Magoosh
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The Green Peas Grocery Store in the remote wealthy enclave of Luxville charges more than the Green Peas Grocery Store in Oak City charges for the same items. Clearly, on any given item, the Green Peas grocery franchise is taking advantage of its location in Luxville to reap higher profits on that item.In evaluating the argument, it would be most useful to compare
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Magoosh
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If the retail price of a shirt is R dollars, and the price including sales tax is T dollars then the sales tax, as a percent, is
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Magoosh
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At the state beach, deaths due to drowning have increased by 35% this year, not because of fewer lifeguards but because of dramatic changes in ocean currents.
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Magoosh
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The numbers a, b, and c are all positive. If $$b^2 + c^2 = 117$$, then what is the value of $$4a^2 + c^2?$$Statement #1: 2a – b = 3Statement #2: $${{2a+b}\over{2a-b}}=7$$
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Magoosh
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 In the diagram, JKLM is a square, and P is the midpoint of KL. Is JQM an equilateral triangle?Statement #1: ∠KPQ = 90°Statement #2: ∠JQP = 150°
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Magoosh
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If$$ x^2 + 2xwy + 3wy^2 = 144$$, and if x & y & w are all positive, then what is the value of (x + 3y)?Statement #1: x + 2y = 11Statement #2: w = 3
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Magoosh
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If x and y are positive integers, is y a prime number?(1) xy is a prime number.(2) $$y^2$$ is even.
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Magoosh
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The melting of world glaciers, measured consistently from the early 1990s until the present, seems like it is corroborative that average global temperatures are inexorably rising.
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Magoosh
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When the reporter asked about the status of the budget, the governor said that, at that very moment, his team is fashioning a compromise and will deliver it to the senate offices by later that afternoon.
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