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Magoosh题集

Magoosh针对GRE考试备考材料相对可以，其推出的GMAT模考题对时间固定GMAT考生来说，老师并不建议过多时间花费在该材料上。这些题可以作为词汇拓展训练。

321 In a group of 40 people, 15 have visited Iceland and 23 have visited Norway. If 11 people have visited both Iceland and Norway, how many people have visited neither country?
322 When 6 is multiplied by x, the result is the same as when x is added to 9. What is the value of$\frac{x}{3}$ ?
323 In 2003, the number of girls attending Jefferson High School was equal to the number of boys. In 2004, the population of girls and the population of boys both increased by 20 percent. Which of the following could be the total student population at Jefferson High School in 2004?
324 If $\frac{1}{x} + \frac{1}{3} + \frac{1}{4} = 1$, then x =
325 In the diagram above, AB = 10 is the diameter of the circle, and AC = 6. Given that point C is inside the circle, which could be the length of BC?I. 7II. 8III. 9
326 In the Antares Corporation,$\frac{ 3}{7}$ of the managers are female. If there are 42 female managers, how many managers in total are there?
327 In how many ways can Ann, Bob, Chuck, Don and Ed be seated in a row such that Ann and Bob are not seated next to each other?
328 The sum of all the digits of the integers from 18 to 21 inclusive is 24 (1+8 + 1+9 + 2+0 + 2+1 = 24). What is the sum of all the digits of the integers from 0 to 99 inclusive?
329 In the diagram above, AB is parallel to EH, and BD is parallel to FH. Also, AB = BC, and EF = FH. If ∠EGC = 70°, then ∠D =
330 $9^{k} x 27^{2k} =$
331 To reach her destination, Jeanette must drive 90 miles. If she drives 5 miles every 7 minutes, how much time will it take her to reach her destination?
332 If f(x) = 5 - 2x and f(3k) = f(k + 1), then f(k) =
333 In a certain class, x students are 10 years old, and the remaining y students are 11 years old. What is the average (arithmetic mean) age of all students in the class?
334 A certain essay consists of 15 paragraphs. Each paragraph contains at least 110 words but not more than 120 words. Which of the following could be the total number of words in the essay?
335 A series is defined, for positive integer n, by$a_{n}={{n+1}\over{n+3}}-{{n}\over{n+2}}$ What is the sum of the first 60 terms of this series?
336 Region R is a square in the x-y plane with vertices J = (–1, –2), K = (–1, 4), L = (5, 4), and M = (5, –2). What is the probability that a randomly selected point in region R lies below the line 3x – 5y = 10?
337 If 20 percent of 3k is 6, what is 40 percent of k?
338 On a certain high school athletic team, the ratio of freshmen to sophomores to juniors to seniors is 1:3:4:6. If there are 60 juniors on the team, how many students in total are on the team?
339 In the coordinate plane, rectangular region R has vertices at (0,0), (0,3), (4,3), and (4,0). If a point in region R is randomly selected, what is the probability that the point's y-coordinate will be greater than its x-coordinate?
340 $({\sqrt{5+\sqrt{5}}-}{\sqrt{5-\sqrt{5}}})^{2}$=

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