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《(2015)GMAT官方指南》 OG 15

《(2015)GMAT官方指南：综合》是GMAC（GMAT考试命题机构）中国大陆的单家授权版本，体现了GMAT考试2015年的改革趋势，是GMAT考试必备参考书。书中提供900道全真试题，涵盖GMAT考试所有题型，并配有全面的答案解析。题目按难易程度排列，帮助考生节省备考时间。 其中，OG15的PS部分共有 140 题，全部经由老师核对确认并标上题号及难度（根据官方标准划分）。

1 A project scheduled to be carried out over a single fiscal year has a budget of $12,600, divided into 12 equal monthly allocations. At the end of the fourth month of that fiscal year, the total amount actually spent on the project was$4,580. By how much was the project over its budget?
2 For which of the following values of n is $\frac{(100+n)}{n}$ NOT an integer?
3 Rectangular floors X and Y have equal area. If floor X is 12 feet by 18 feet and floor Y is 9 feet wide, what is the length of floor Y in feet?
4 A case contains c cartons. Each carton contains b boxes, and each box contains 100 paper clips. How many paper clips are contained in 2 cases?
5 The sum of prime numbers that are greater than 60 but less than 70 is
6 A rainstorm increased the amount of water stored in State J reservoirs from 124 billion gallons to 138 billion gallons. If the storm increased the amount of water in the reservoirs to 82 percent of total capacity, approximately how many billion gallons of water were the reservoirs short of total capacity prior to the storm?
7 On the graph above, when $x=\frac{1}{2}$, y=2; and when x = 1, y = 1. The graph is symmetric with respect to the vertical line at x = 2. According to the graph, when x = 3, y =
8 When $\frac{1}{10}$ percent of 5,000 is subtracted from $\frac{1}{10}$ of 5,000, the difference is
9 Which of the following is the value of $\sqrt{\sqrt[3]{0.000064}}$?
10 Raffle tickets numbered consecutively from 101 through 350 are placed in a box. What is the probability that a ticket selected at random will have a number with a hundreds digit of 2 ?
11 When Leo imported a certain item, he paid a 7 percent import tax on the portion of the total value of the item in excess of $1,000. If the amount of the import tax that Leo paid was$87.50, what was the total value of the item?
12 The numbers of cars sold at a certain dealership on six of the last seven business days were 4, 7, 2, 8, 3, and 6, respectively. If the number of cars sold on the seventh business day was either 2, 4, or 5, for which of the three values does the average (arithmetic mean) number of cars sold per business day for the seven business days equal the median number of cars sold per day for the seven days?I. 2II. 4III. 5
13 A rectangular garden is to be twice as long as it is wide. If 360 yards of fencing, including the gate, will completely enclose the garden, what will be the length of the garden, in yards?
14 If $\mid{y}-\frac{1}{2}\mid<\frac{11}{2}$ which of the following could be a value of y?
15 At a supermarket John spent $\frac{1}{2}$ of his money on fresh fruits and vegetables,$\frac{1}{3}$ on meat products, and $\frac{1}{10}$ on bakery products. If he spent the remaining \$6 on candy, how much did John spend at the supermarket?
16 On Monday, a person mailed 8 packages weighing an average (arithmetic mean) of $12\frac{3}{8}$ pounds, and on Tuesday, 4 packages weighing an average of $15\frac{1}{4}$ pounds. What was the average weight, in pounds, of all the packages the person mailed on both days
17 $0.1+{0.1}^{2}+{0.1}^{3}=$
18 A carpenter constructed a rectangular sandbox with a capacity of 10 cubic feet. If the carpenter were to make a similar sandbox twice as long, twice as wide, and twice as high as the first sandbox, what would be the capacity, in cubic feet, of the second sandbox?
19 A bakery opened yesterday with its daily supply of 40 dozen rolls. Half of the rolls were sold by noon, and 80 percent of the remaining rolls were sold between noon and closing time. How many dozen rolls had not been sold when the bakery closed yesterday?
20 What is the 25th digit to the right of the decimal point in the decimal form of $\frac{6}{11}$

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