《(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)。

题目列表

序号 题目内容
81 Working simultaneously at their respective constant rates, Machines A and B produce 800 nails in x hours. Working alone at its constant rate, Machine A produces 800 nails in y hours. In terms of x and y, how many hours does it take Machine B, working alone at its constant rate, to produce 800 nails?
82 In the Johnsons' monthly budget, the dollar amounts allocated to household expenses, food, and miscellaneous items are in the ratio 5:2:1, respectively. If the total amount allocated to these three categories is $1,800, what is the amount allocated to food?
83 There are 4 more women than men on Centerville's board of education. If there are 10 members on the board, how many are women?
84 Leona bought a 1-year, $10,000 certificate of deposit that paid interest at an annual rate of 8 percent compounded semiannually. What was the total amount of interest paid on this certificate at maturity?
85 $$\frac{(0.0036)(2.8)}{(0.04)(0.1)(0.003)}=$$
86 Machine A produces bolts at a uniform rate of 120 every 40 seconds, and Machine B produces bolts at a uniform rate of 100 every 20 seconds. If the two machines run simultaneously, how many seconds will it take for them to produce a total of 200 bolts?
87 If n is an integer greater than 6, which of the following must be divisible by 3?
88 The total cost for Company X to produce a batch of tools is $10,000 plus $3 per tool. Each tool sells for $8. The gross profit earned from producing and selling these tools is the total income from sales minus the total production cost. If a batch of 20,000 tools is produced and sold, then Company X's gross profit per tool is
89 A dealer originally bought 100 identical batteries at a total cost of q dollars. If each battery was sold at 50 percent above the original cost per battery, then, in terms of q, for how many dollars was each battery sold?
90 In an increasing sequence of 10 consecutive integers, the sum of the first 5 integers is 560. What is the sum of the last 5 integers in the sequence?
91 If Q is an odd number and the median of Q consecutive integers is 120, what is the largest of these integers?
92 A ladder of a fire truck is elevated to an angle of 60° and extended to a length of 70 feet. If the base of the ladder is 7 feet above the ground, how many feet above the ground does the ladder reach?
93 If Jake loses 8 pounds, he will weigh twice as much as his sister. Together they now weigh 278 pounds. What is Jake's present weight, in pounds?
94 A store reported total sales of $385 million for February of this year. If the total sales for the same month last year was $320 million, approximately what was the percent increase in sales?
95 When positive integer x is divided by positive integer y, the remainder is 9. If $$\frac x y=96.12$$, what is the value of y?
96 In a certain city, 60 percent of the registered voters are Democrats and the rest are Republicans. In a mayoral race, if 75 percent of the registered voters who are Democrats and 20 percent of the registered voters who are Republicans are expected to vote for Candidate A, what percent of the registered voters are expected to vote for Candidate A ?
97 $$\frac {1}{2}+[(\frac{2}{3}\times\frac{3}{8})\div{4}]-\frac{9}{16}$$
98 Water consists of hydrogen and oxygen, and the approximate ratio, by mass, of hydrogen to oxygen is 2:16. Approximately how many grams of oxygen are there in 144 grams of water?
99 If x(2x+1)=0 and $$(x+\frac1 2)(2x-3)=0$$,then x =
100 On a scale that measures the intensity of a certain phenomenon, a reading of n + 1 corresponds to an intensity that is 10 times the intensity corresponding to a reading of n. On that scale, the intensity corresponding to a reading of 8 is how many times as great as the intensity corresponding to a reading of 3?

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