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PREP07 Test 2
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In a certain year the United Nations' total expenditures were $1.6 billion. Of this amount, 67.8 percent was paid by the 6 highest-contributing countries, and the balance was paid by the remaining 153 countries. Was Country X among the 6 highest-contributing countries?(1) 56 percent of the total expenditures was paid by the 4 highest-contributing countries, each of which paid more than Country X. (2) Country X paid 4.8 percent of the total expenditures.
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PREP07 Test 2
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$$-2 < P \le -1$$$$-1 < Q \le 0$$$$0 < R \le 1$$$$1 < S \le 2$$For the inequalities above, what is the maximum possible value of P + Q + R + S ?
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PREP07 Test 2
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During the last interglacial period, the climate on the Earth was warmer than it is today, and the consequent melting of the polar ice caps caused the sea level to raise about 60 feet over and above what its height presently is now.
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PREP07 Test 2
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If xy + k = k and x is not 0, which of the following must be true?
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PREP07 Test 2
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If (x+y)/z = -2, is x positive?(1) z is negative.(2) y is positive.
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PREP07 Test 2
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While Hans Holbein the Younger is most often identified with his English portraits, scholars have long been recognizing him as a superb draftsman and a remarkably versatile artist and who was fundamental in synthesizing the novelties of the Italian Renaissance with the rational tradition of Northern Europe.
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PREP07 Test 2
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List S and list T each contain 5 positive integers, and for each list the average (arithmetic mean) of the integers in the list is 40. If the integers 30, 40, and 50 are in both lists, is the standard deviation of the integers in list S greater than the standard deviation of the integers in list T ? (1) The integer 25 is in list S. (2) The integer 45 is in list T.
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PREP07 Test 2
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A certain roller coaster has 3 cars, and a passenger is equally likely to ride in any 1 of the 3 cars each time that passenger rides the roller coaster. If a certain passenger is to ride the roller coaster 3 times, what is the probability that the passenger will ride in each of the 3 cars?
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PREP07 Test 2 GWD
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Regardless of their form or function, all aerodynamically enhanced, curved objects made for throwing have been called boomerangs by non-Australians ever since 1788, when Europeans saw Dharug-speaking men tossing "bumariny" in the area later known as Sydney.
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PREP07 Test 2
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On the number line, what is the distance between the point 2x and the point 3x ?(1) On the number line, the distance between the point -x and the point x is 16. (2) On the number line, the distance between the point x and the point 3x is 16.
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PREP07 Test 2
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A certain manufacturer of cake, muffin, and bread mixes has 100 buyers, of whom 50 purchase cake mix, 40 purchase muffin mix, and 20 purchase both cake mix and muffin mix. If a buyer is to be selected at random from the 100 buyers, what is the probability that the buyer selected will be one who purchases neither cake mix nor muffin mix?
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PREP07 Test 2
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George Washington Carver dedicated his life to the economic strengthening of the South with improvement of soil and diversification of crops.
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PREP07 Test 2
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What is the remainder when the positive integer n is divided by the positive integer k, where k > 1 ? (1) n = (k + 1)^3 (2) k = 5
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PREP07 Test 2
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There are 8 magazines lying on a table; 4 are fashion magazines and the other 4 are sports magazines. If 3 magazines are to be selected at random from the 8 magazines, what is the probability that at least one of the fashion magazines will be selected?
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PREP07 Test 2
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Constructed at least as early as the Sui dynasty (A.D. 581-618), the Altar of Heaven is the oldest known altar used in Chinese state religious practice, more than 1,000 years older than a similar one in Beijing, it is the only altar found so far that predates the Qing dynasty (A.D. 1644-1912).
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PREP07 Test 2
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For each hour of production, a certain factory requires 1 assembly line worker for every 25 units to be produced in that hour. The factory also requires 12 managers regardless of the number of units to be produced. Which of the following expressions represents the total number of assembly line workers and managers that this factory requires to produce 50N units in one hour, where N is a positive integer?
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PREP07 Test 2
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Is $$x ≥3 $$?(1) $$x^2 – 9 = 0$$(2) x < 10
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PREP07 Test 2
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Scientists have found new evidence of people initially registering emotions like sadness or anger in much the same way as heartburn--by monitoring what's going on within their bodies.
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PREP07 Test 2
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A certain farmer pays $30 per acre per month to rent farmland. How much does the farmer pay per month to rent a rectangular plot of farmland that is 360 feet by 605 feet? (43,560 square feet = 1 acre)
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PREP07 Test 2
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At a two-candidate election for mayor, 3/4 of the registered voters cast ballots. How many registered voters cast ballots for the winning candidate?(1) 25,000 registered voters did not cast ballots in the election.(2) Of the registered voters who cast ballots, 55 percent cast ballots for the winning candidate.
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