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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。

181 If the sales tax on a $12.00 purchase is$0.66, what is the sales tax on a $20.00 purchase? 182 A box contains 6 black balls and 4 white balls. If two balls are selected at random without replacement, what is the probability that both balls are white? 183 If 24 kilograms of flour are required to make 300 tarts, how many kilograms of flour are required to make 45 tarts? 184 If the sum of three consecutive integers is K , then which of the following is a possible value of K? 185 If the mean of list A is 6.8 and the standard deviation is 3.6, then how many elements of list A are within 1 unit of standard deviation of the mean?A = {2, 9, 2, 6, 9, 10, 7, 4, 5, 14} 186 ${159,919}\over{(409)(17)}$= 187 Kim is taking a math class, and the teacher gives a multiple choice test consisting of 8 questions. If each question has 5 answer choices, and Kim answers every question, in how many different ways can she complete the test? 188 If ABCD is a square, what are the coordinates of C? 189 In 2008, the total revenue from movies was 842.1 million dollars. If Rocky XII generated 4.2 million dollars in revenue, approximately what percent of the total revenue was generated by Rocky XII? 190 The probability that event A occurs is 0.4, and the probability that events A and B both occur is 0.25. If the probability that either event A or event B occurs is 0.6, what is the probability that event B will occur? 191 How many multiples of 5 are there between 81 and 358? 192 In the figure, JKLMNP is a regular hexagon. Find the measure of ∠MQN. 193 A purse contains 5-cent coins and 10-cent coins worth a total of$1.75. If the 5-cent coins were replaced with 10-cent coins and the 10-cent coins were replaced with 5-cent coins, the coins would be worth a total of \$2.15. How many coins are in the purse?
194 Rank those three in order from smallest to biggest.
195 Working together, 7 identical pumps can empty a pool in 6 hours. How many hours will it take 4 pumps to empty the same pool?
196 2 - [1 - (1 - [2 - 3] - 2) + 3] =
197 What is the average (arithmetic mean) of all multiples of 10 from 10 to 400 inclusive?
198 If 2 ÷ 2 ÷ 2 ÷ 2 ÷ 2 = $2^{x}$, then x =
199 If the hypotenuse of an isosceles right triangle has length of 8, then the area of the triangle is
200 x is betweenNote: Figure not drawn to scale 9362

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