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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。

201 If xy = 7 and x - y = 5, then $x^{2} + y^{2} =$
202 What is the remainder when$43^{86}$ is divided by 5?
203 What is the units digit of $18^{47}$?
204 If $4^{n} + 4^{n} + 4^{n} + 4^{n} = 4^{16}$ , then n =
205 Every person in a certain group is either a Dodgers fan or a Yankees fan, but not both. The ratio of Yankees fans to Dodgers fans is 5 to 3. If 22 Yankees fans change teams to become Dodgers fans, the ratio of Dodgers fans to Yankees fans will be 1 to 1. How many people are in the group?
206 If $\frac{3}{4}$of the number of women working at Company X is equal to $\frac{2}{3}$ of the number of men, what fraction of the employees at Company X are women?
207 If$8^{n+1} + 8^{n} = 36$, then n =
208 The system of equations has how many solutions?3x - 6y = 92y - x - 3 = 0
209 What is the perimeter of ABCDE?
210 $If{{8-x}\over{x+1}} = x, then x^{2} + 2x - 3 =$
211 If f(x) = $12-{x^{2}\over{2}}$and f(2k) = 2k, what is one possible value for k?
212 In the coordinate system above, which of the following could be the equation of line p?
213 $If 2^{2n} + 2^{2n} + 2^{2n} + 2^{2n} = 4^{24}$, then n =
214 If the average (arithmetic mean) of seven consecutive integers is k + 2, then the product of the greatest and least integer is
215 On a certain multiple-choice test, 9 points are awarded for each correct answer, and 7 points are deducted for each incorrect or unanswered question. Sally received a total score of 0 points on the test. If the test has fewer than 30 questions, how many questions are on the test?
216 $5\sqrt{2}$ percent of ${{1}\over\sqrt{200}}$=
217 If∠CFD=85° , then what is the value of x?Note: Figure not drawn to scale
218 If the average (arithmetic mean) of x, y and 15 is 9, and the average of x, 2y and 2 is 7, then y =
219 If $9^{2x+5} = 27^{3x-10}$, then x =
220 In a certain school, there are 160 boys and 240 girls. If 15 percent of the boys are left-handed and 25 percent of the girls are left-handed, what percent of the school’s entire student population is left-handed?

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