《(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
161 The inflation index for the year 1989 relative to the year 1970 was 3.56, indicating that, on the average, for each dollar spent in 1970 for goods, $3.56 had to be spent for the same goods in 1989. If the price of a Model K mixer increased precisely according to the inflation index, what was the price of the mixer in 1970 ?(1)The price of the Model K mixer was $102.40 more in 1989 than in 1970.(2)The price of the Model K mixer was $142.40 in 1989.
162 Is $${5}^{k}$$ less than 1,000 ?(1)$${5}^{k+1} >3,000$$(2)$${5}^{k-1}={5}^{k}-500$$
163 Every member of a certain club volunteers to contribute equally to the purchase of a $60 gift certificate. How many members does the club have?(1)Each member's contribution is to be $4.(2)If 5 club members fail to contribute, the share of each contributing member will increase by $2.
164 If $$x < 0$$, is $$y > 0$$ ?(1)$$\frac{x}{y}<{0}$$(2)$$y-x >0$$
165 GMAT、gmat题库、gmat模考、gmat考满分What is the circumference of the circle above with center 0 ?(1)The perimeter of $$\Delta OXZ$$ is $$20+10\sqrt 2$$(2)The length of arc $$XYZ$$ is $$5\pi$$.
166 GMAT、gmat题库、gmat模考、gmat考满分What is the value of x + y in the figure above?(1)W=95(2)Z=125
167 If n and k are positive integers, is $$\sqrt{n+k} >2\sqrt{n}$$?(1)$$k > 3n$$(2)$$n + k > 3n$$
168 In a certain business, production index p is directly proportional to efficiency index e, which is in turn directly proportional to investment index i. What is p if i = 70 ?(1)e = 0.5 whenever i = 60.(2)p = 2.0 whenever i = 50.
169 If n is a positive integer, is$${(\frac{1}{10})}^{n}<0.01$$(1)$$n >2$$(2)$$(\frac{1}{10})^{n-1}<0.1$$
170 If n is a positive integer, what is the tens digit of n ?(1)The hundreds digit of 10n is 6.(2)The tens digit of n + 1 is 7.
171 What is the value of $$\frac{(2t+t-x)}{(t-x)}$$(1)$$\frac{2t}{t-x}=3$$(2)t-x=5
172 Is n an integer?(1)$${n}^{2}$$ is an integer.(2)$$\sqrt{n}$$ is an integer.
173 If x, y, and z are positive integers, is x - y odd?(1)$$x = z^2$$(2)$$y = (z-1)^2$$
174 Marcia's bucket can hold a maximum of how many liters of water?(1)The bucket currently contains 9 liters of water.(2)If 3 liters of water are added to the bucket when it is half full of water, the amount of water in thebucket will increase by $$\frac1 3$$

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