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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。

341 If n is an integer greater than 50, then the expression $(n^{2} – 2n)(n^{2} – 1)$ MUST be divisible by which of the following?I. 8II. 12III. 18
342 In the diagram, ∠L = ∠M = 90°, KL = 4, LM = 8, MN = 10, and JN = JK = 13. What is the area of JKLMN?
343 If $\frac{3x}{2} = y$, and 2 - 3y = y + 2, then x =
344 At a certain store, one can buy 6 cans of juice for $8. How many cans of this same juice could one buy with$48?
345 At a certain farm the ratio of pigs to cows to chickens is 7:8:10. If the total number of pigs, cows and chickens is 300, how many chickens are there?
346 In 2004, Cindy had $4000 in a mutual fund account. In 2005, the amount in the same account was$5000. If the percent increase from 2004 to 2005 was the same as the percent increase from 2005 to 2006, how much did Cindy have in this account in 2006?
347 $(3×10^{20})·(3×10^{-5})$=
348 If x and y are positive integers, and 1 is the greatest common divisor of x and y, what is the greatest common divisor of 2x and 3y?
349 Set Q consists of the following five numbers: Q = {5, 8, 13, 21, 34}. Which of the following sets has the same standard deviation as Set Q?I. {35, 38, 43, 51, 64}II. {10, 16, 26, 42, 68}III. {46, 59, 67, 72, 75}
350 How many positive integers less than 100 have a remainder of 2 when divided by 13?
351 A popular website requires users to create a password consisting of digits only. If no digit may be repeated and each password must be at least 9 digits long, how many passwords are possible?
352 In how many ways can 16 different gifts be divided among four children such that each child receives exactly four gifts?
353 The points A(0, 0), B(0, 4a - 5) and C(2a + 1, 2a + 6) form a triangle. If ∠ABC=90°, what is the area of triangle ABC?
354 In a certain game, you perform three tasks. You flip a quarter, and success would be heads. You roll a single die, and success would be a six. You pick a card from a full playing-card deck, and success would be picking a spades card. If exactly one of these three tasks is successful, then you win the game. What is the probability of winning the game?
355 A marketer bought N crates of empty cardboard gift boxes. Each crate held Q individual gift boxes, and the lot of N crates was purchases at a wholesale price of W dollars. This marketer will sell collections of J cardboard gift boxes to retailers, at a price of P dollars for each collection. (Note: J is a divisor of Q.) The marketer knows that, when he has sold all the cardboard gift boxes this way, he wants to net a total profit of Z dollars on the entire transaction. What price P for these collections must he charge, to net this profit? Express P in terms of N, Q, W, J, and Z.
356 In how many different ways can 3 identical green shirts and 3 identical red shirts be distributed among 6 children such that each child receives a shirt?
357 In the grid of points above, each point has equal vertical & horizontal spacing from the others. A small 45-45-90 triangle is drawn. Counting this triangle, how many triangles congruent to this one, of any orientation, can be constructed from points in this grid?
358 In Aldebaran Corporation, 35% of the managers have an MBA. If there are 42 managers with MBA, what is the total number of managers?
359 If AC = BC and CD = DE then, in terms of x, the value of y isNote: Figure not drawn to scale
360 For a certain cylinder, the diameter equals the height. If every length in this cylinder is decreased by 60%, then to the nearest integer, by what percent does the volume decrease?

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