《(2012)GMAT官方指南》 OG 12

《(2012)GMAT官方指南》是GMAC(GMAT考试命题机构)中国大陆的单家授权版本,是GMAT考试必备参考书。书中提供超过800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,OG12的DS部分共有 174 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
1 What is the value of $$\mid x\mid $$ ?(1)$$x = -\mid x \mid$$(2)$${x}^{2}$$ = 4
2 What percent of a group of people are women with red hair?(1)Of the women in the group, 5 percent have red hair.(2)Of the men in the group, 10 percent have red hair.
3 In a certain class, one student is to be selected at random to read. What is the probability that a boy will read?(1)Two-thirds of the students in the class are boys.(2)Ten of the students in the class are girls.
4 In College X the number of students enrolled in both a chemistry course and a biology course is how much less than the number of students enrolled in neither?(1)In College X there are 60 students enrolled in a chemistry course.(2)In College X there are 85 students enrolled in a biology course.
5 A certain expressway has Exits J, K, L, and M, in that order. What is the road distance from Exit K to Exit L ?(1)The road distance from Exit J to Exit L is 21 kilometers.(2)The road distance from Exit K to Exit M is 26 kilometers.
6 If n is an integer, is n + 1 odd?(1)n + 2 is an even integer.(2)n - 1 is an odd integer.
7 For which type of investment, J or K, is the annual rate of return greater?(1)Type J returns $115 per $1,000 invested for any one-year period and type K returns $300 per $2,500 invested for any one-year period.(2)The annual rate of return for an investment of type K is 12 percent.
8 A citrus fruit grower receives $15 for each crate of oranges shipped and $18 for each crate of grapefruit shipped. How many crates of oranges did the grower ship last week?(1)Last week the number of crates of oranges that the grower shipped was 20 more than twice the number of crates of grapefruit shipped.(2)Last week the grower received a total of $38,700 from the crates of oranges and grapefruit shipped.
9 If Pat saved $600 of his earnings last month, how much did Pat earn last month?(1)Pat spent $$\frac{1}{2}$$ of his earnings last month for living expenses and saved $$\frac{1}{3}$$ of the remainder.(2)Of his earnings last month, Pat paid twice as much in taxes as he saved.
10 Water is pumped into a partially filled tank at a constant rate through an inlet pipe. At the same time, water is pumped out of the tank at a constant rate through an outlet pipe. At what rate, in gallons per minute, is the amount of water in the tank increasing?(1)The amount of water initially in the tank is 200 gallons.(2)Water is pumped into the tank at a rate of 10 gallons per minute and out of the tank at a rate of 10 gallons every $${2}\frac1 2$$ minutes.
11 Is x a negative number?(1)9x >10x(2)x + 3 is positive.
12 If i and j are integers, is i + j an even integer?(1)i < 10(2)i = j
13 The charge for a telephone call between City R and City S is $0.42 for each of the first 3 minutes and $0.18 for each additional minute. A certain call between these two cities lasted for x minutes, where x is an integer. How many minutes long was the call?(1)The charge for the first 3 minutes of the call was $0.36 less than the charge for the remainder of the call.(2)The total charge for the call was $2.88.
14 If Car X followed Car Y across a certain bridge that is $$\frac{1}{2}$$ mile long, how many seconds did it take Car X to travel across the bridge?(1)Car X drove onto the bridge exactly 3 seconds after Car Y drove onto the bridge and drove off the bridge exactly 2 seconds after Car Y drove off the bridge.(2)Car Y traveled across the bridge at a constant speed of 30 miles per hour.
15 If n + k = m, what is the value of k ?(1)n = 10(2)m + 10 = n
16 Is x an integer?(1)$$\frac x 2$$ is an integer.(2)2x is an integer.
17 Is the integer P odd?(1)The sum of P, P + 4, and P+ 11 is even.(2)The sum of P - 3, P, and P + 11 is odd.
18 What is the maximum number of rectangular blocks, each with dimensions 12 centimeters by 6 centimeters by 4 centimeters, that will fit inside rectangular Box X ?(1)When Box X is filled with the blocks and rests on a certain side, there are 25 blocks in the bottom layer.(2)The inside dimensions of Box X are 60 centimeters by 30 centimeters by 20 centimeters.
19 If sequence S has 200 terms, what is the 192nd term of S?(1)The first term of S is -40.(2)Each term of S after the first term is 3 less than the preceding term.
20 In △PQR, if PQ = x, QR = x + 2, and PR = y, which of the three angles of △PQR has the greatest degree measure?(1)y=x + 3(2)x = 2

5999

新增题目141

备考考生总人数

1785828

做题总数

650041392

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