gre数学考试关于代数文字的重点试题(三).

　　考生如果觉得复习gre数学考试比较难不妨从这些题目练习开始，每篇都是按照分类给大家列举了一些典型题目，本篇主要是针对gre数学考试代数文字题型方面的典型题目及答案。

　　21.Sixty-eight people are sitting in 20 cars and each car contains at most 4 people. What is the maximum possible number of cars that could contain exactly 1 of the 68 people?

　　A.2

　　B.3

　　C.4

　　D.8

　　E.12

　　答案：C

　　22.Art,Bob and Carmen share a prize of $400. If Art receives twice as much as Bob, and if Bob receives 1/2 as much as Carmen, how much does Carmen receive?

　　A.$20

　　B.$40

　　C.$80

　　D.$140

　　E.$160

　　答案：E

　　23.A time-study specialist has set the production rate for each worker on a contain job at 22 units every 3 hours. At this rate what is the minimum number of worker that should be put on the job if at least 90 units are to be produced per hour?

　　A.7%

　　B.7.5%

　　C.8%

　　D.8.5%

　　E.9%

　　答案：E

　　24.To obtain an FHA mortgage for $50,000 or more, the home buyer must have a down payment equal to 4 percent of the first $25,000 of the mortgage amount and 5 percent of the portion in excess of $25,000. At settlement the buyer pays a mortgage insurance premium equal to 3 percent of the mortgage amount. What is the maximum FHA mortgage, if any, a buyer can obtain if the buyer has only $6,000 available for the down payment and insurance premium?

　　A. $62,500

　　B. $71,875

　　C. $78,125

　　D. $125,000

　　E. The home buyer cannot obtain an FHA mortgage.

　　答案：C

　　25. Working alone, a small pump takes twice as long as a large pump takes to fill an empty tank. Working together at their respective constant rates, the pumps can fill the tank in 6 hours. How many hours would it take the small pump to fill the tank working alone?

　　A.8

　　B.9

　　C.12

　　D.15

　　E.18

　　答案：E

　　26.A candy assortment consists of seven flavors of chocolate-covered creams packed in two-layered boxes with 27 creams in each layer. The flavors are always packed in rows so that the flavor varies with each piece in the following order: vanilla, orange, cherry, vanilla raspberry, lime, pecan, cherry, lemon. How many chocolate- covered vanilla creams are needed to peak 200 boxes of the assortment?

　　A.600

　　B.1,200

　　C.1,800

　　D.2,400

　　E.3,600

　　答案：D

　　27.A research scientist wants to study a certain attribute of dogs. It is estimated that approximately 5 percent of all dogs have this attribute. If the scientist wants to study a sample of N dogs having the attribute, approximately how many dogs should be screened in order to obtain the desired sample size?

　　A.N/5

　　B.5N

　　C.20N

　　D.105N

　　E.120N

　　答案：C

　　每到题目都是关于gre数学考试的典型题目，考生可以根据题目来复习知识点，这样更有针对性。