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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。

141 What is the value of n?(1) j = -4(2) j = -k
142 Given that (P + 2Q) is a positive number, what is the value of (P + 2Q)?Statement #1: Q = 2Statement #2:$P^2$ + 4PQ + $4Q^2$ = 28
143 If k is an integer, what is the value of k?(1) $\frac{1}{5}$$\lt$${1}\over{k-1}$$\lt$$\frac{1}{2}$(2) 3$\lt$${k+3}\over{2}$$\lt$5
144 If ABCE is a rectangle, is the area of$\Delta$AED greater than the area of$\Delta$ADC ?(1) ED$\gt$ DC(2) AE $\gt$ ED
145 If jk $\neq$0 and (j, k) lies in the xy-coordinate system, in which quadrant does (j, k) lie?(1) jk $\lt$ 0(2) j + k $\gt$0
146 If x is an integer, is y an integer?(1) ${4x+4y}\over{2}$=6 (2) ${3x+6y}\over{3}$=5
147 If 4 < A < 6, n and m are positive integers with n > m, and T = A x $10^n$, then what is the value of T?Statement #1: $\sqrt {A*10^m}$=23100Statement #2: n – m = 7
148 If x is a positive integer ,is$\sqrt{x}$ an integer?(1)$\sqrt{36x}$ is a integer(2)$\sqrt{3x+4}$ is a integer
149 If x and y are positive integers, is$\frac{x}{y}$ $\lt$ ${x+5}\over{y+5}$?Statement #1: y = 5Statement #2: x > y
150 If wxyz $\neq$ 0, does the ratio of w to x equal the ratio of y to z?(1)$\frac {w}{y}$ = $\frac {x}{z}$(2) wy = xz
151 What is the value of $(\frac{1}{x}-\frac{1}{y})$?Statement #1: ${xy}\over{x-y}$=2Statement #2: $x^2+y^2=5$
152 If n is a positive integer and y $\neq$ 0, what is the value of$x^n\over{y^n}$ ?(1) -x = y(2) n is a prime number
153 If x and y are positive integers, is $\frac{x}{y}\lt$ ${x+5}\over{y+5}$?Statement #1: y = 5Statement #2: x > y
154 In the diagram above, what is the circumference of the circle?Statement #1: The area of triangle is $16\sqrt{3}$Statement #2: ∠B = 60
155 What is the value of $x^2-y^2$?(1) x + y = 16(2) x - y = 0
156 What is the value of x - y?(1) $x^2-y^2\over{x+y}= 6$(2) $x^2-2xy+y^2= 36$
157 Is ABCD a rectangle?(1) ∠ADC = 90°(2) AD = BCNote: Figure not drawn to scale
158 Is x > 2? (1) x is positive (2) $x^2> 9$
159 In the diagram above, O is the center of the circle. What is the length of chord AC?Statement #1: chord BC = 14Statement #2: the circle has an area of 625$(2)$\pi
160 In the diagram above, coordinates are given for three of the vertices of quadrilateral ABCD. Does quadrilateral ABCD have an area greater than 30?Statement #1: point B has an x-coordinate of 4Statement #2: quadrilateral ABCD is a parallelogram

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