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GMAT数学精华题型解析（3）

发布时间：2016-03-02 编辑：查字典英语网小编

　　GMAT数学考试常见题型的解题技巧有哪些呢?以下将为大家深入分析GMAT数学考试常见题型的解题策略和技巧，希望能够为考生备战GMAT数学考试带来帮助。

　　50. 4230-!-item-!-187;#058003784

　　A construction company was paid a total of $500,000 for a construction project. The companys only costs for the project were for labor and materials. Was the companys profit for the project greater than $150,000 ?

　　 The companys total cost was three times its cost for materials.

　　The companys profit was greater than its cost for labor.

　　【答案】C

　　53. 4392-!-item-!-187;#058003851

　　If wx = y, what is the value of xy ?

　　 wx2 = 16

　　 y = 4

　　【答案】A

　　64. 5320-!-item-!-187;#058004563

　　Are at least 10 percent of the people in Country X who are 65 years old or older employed?

　　 In Country X, 11.3 percent of the population is 65 years old or older.

　　 In Country X, of the population 65 years old or older, 20 percent of the men and 10 percent of the women are employed.

　　【答案】B

　　81. 7301-!-item-!-187;#058005482

　　In the figure above, what is the ratio

　　 The perimeter of rectangle KLMN is 30 meters.

　　 The three small rectangles have the same dimensions.是指面积相同，但同时也是指长宽都相同

　　【答案】B

　　77. 9031-!-item-!-187;#058006222

　　At a dinner party, 5 people are to be seated around a circular table. Two seating arrangements are considered different only when the positions of the people are different relative to each other. What is the total number of different possible seating arrangements for the group?

　　 5

　　 10

　　 24

　　 32

　　 120

　　【答案】C

　　【思路】

　　若為一直線排法為5!

　　但此題目為圓形

　　五個人排圈圈...

　　ABCDE

　　BCDEA

　　CDEAB

　　DEABC

　　EABCD

　　都是一樣故排圈圈時就是5!/5=4!

　　除以五是為了消除每次相鄰位置改變時都會有重複的情況

　　98. 10689-!-item-!-187;#058007329

　　If x is a negative integer, which of the following expressions has the LEAST value?

　　【答案】D

　　以上为大家推荐了一些GMAT数学试题的使用解题技巧，考生不妨从中借鉴，通过针对性的练习来逐步掌握GMAT数学考试的解题技巧，从而在GMAT考试中发挥出更好的水平。

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