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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。

101 Sue planted 4 times as many apple seeds as she planted orange seeds. 15 percent of the apple seeds grew into trees, and 10 percent of the orange seeds grew into trees. If a total of 420 apple trees and orange trees grew from the seeds, how many orange seeds did Sue plant?
102 When positive integer k is divided by 1869, the remainder is 102. What is the remainder when k is divided by 89?
103 If $x - 5 = \sqrt{2x^{2}-{18x+37}}$then x could equal
104 The average (arithmetic mean) of four numbers is 4a + 16. When a fifth number is added, the average becomes 5a + 20. The fifth number is
105 Which of the following is a root of the equation$2x^{2} - 20x = 48?$
106 ${2+\sqrt{2}}\over{2-\sqrt{2}}$
107 If a spaceship travels at an average speed of$6x10^{10}$ kilometers per year, how many years will it take the spaceship to travel $3x10^{30}$ kilometers?
108 If the average (arithmetic mean) of 3, 8, w, x, and y is 14, then the average of w + 2, x - 3, and y + 8 is
109 If $xy \neq 0$ and 2x + 3y is equal to 175 percent of 8x, then x/y =
110 If 4x - 3y = 13 and 5x + 2y = -1, then x =
111 If the retail price of a shirt is R dollars, and the price including sales tax is T dollars then the sales tax, as a percent, is
112 A class consists of 24 students. Which of the following CANNOT be the ratio of the number of girls to the number of boys?
113 ${{1}\over{x*\sqrt{3}}}={\sqrt{2}\over{24}}$In the equation above, x =
114 From a total of 5 boys and 4 girls, how many 4-person committees can be selected if the committee must have exactly 2 boys and 2 girls?
115 When 12 marbles are added to a rectangular aquarium, the water in the aquarium rises$1\frac{1}{2}$ inches. In total, how many marbles must be added to the aquarium to raise the water $2\frac{3}{4}$ inches?
116 $73^{2} + 74^{2} =$
117 $\sqrt{（49）（137）-（56）（49）}$
118 ${32x25x54x21}\over{7x30x64x45}$
119 In terms of x and y, what is the area of the shaded region?Note: Figure not drawn to scale
120 If 0.25 + x = y and y/x = 0.2, then y =

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