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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。

221 If x and y are integers and$xy\neq 0$, what is the value of $\frac{x}{y}$ ?(1)$x^2 + y^2 = 2xy$（2)$2x^2 + x - 2xy - y = 0$
222 Is a positive?Statement #1:$a^6 > a$Statement #2:$a^5 > a$
223 What is the value of k?(1)$k^4 = \frac{1}{625}$(2)${ k^3} < k^2$
224 In the diagram above, what is the measure of angle y?Statement #1: x = 30°Statement #2: line AB is parallel to line CD
225 If x is an integer, what is the value of x ? (1) $x^2 - 4x + 3 < 0$ (2) $x^2 + 4x +3 > 0$
226 If BC = BD, what is the length of BC?(1) x = 30(2) AD = 1 227 If $wxy \neq 0$, does x = y ?(1) $w^x = w^y$(2) $wxy \neq xy$
228 What is the value of ${1}\over{x + 4}?$Statement #1: 4.375x – 6.25 = 11.25Statement #2:${{1}\over{x+8}}-\frac{1}{48}=\frac{1}{16}$
229 The numbers D, N, and P are positive integers, such that D < N, and N is not a power of any other positive integer. Is D a prime number?Statement #1: N has exactly four factors, and D is a factor of NStatement #2: $D = (3^P) + 2$
230 What is the value of y?Statement #1:$3y-1= \sqrt{8y^2-4y+9}$Statement #2: $y^2 – 2y – 8 = 0$
231 If x, y and k are integers, is xy divisible by 3?(1) $y = 2^{16} - 1$(2) The sum of the digits of x equals $6^k$
232 Is $x^2-\frac{4}{3}x+\frac{5}{12}\lt0$Statement #1:$0 \le x$Statement #2: x is an integer
233 If triangle ABC is an isosceles triangle, what is ∠ABC ?(1) ∠CAB=45°(2) ∠BCA=90°

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