2024年6月19日发(作者：)

GRE-练习十四

(总分49,考试时间90分钟)

一、单项选择题

1. A company paid $500，000 in merit raises to employees whose performances were rated A，B，

or C．Each employee rated A received twice the amount of the raise that was paid to each

employee rated C；each employee rated B received times the amount of the raise that was paid to

each employee rated C．If 50 workers were rated A，100 were rated B，and 150 were rated C，

how much was the raise paid to eachem ployee rated A?

A. $370 B. $625 C. $740

D. $1，250 E. $2，500

2. 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 pack 200 boxes of the assortment?

A. 600 B. 1，200 C. 1，800

D. 2，400E. 3，600

3. The cost，in dollars，for an appliancerepair at a **pany is 1.2p+20h，where p is the wholesale

price of the parts，in dollars，and，2 is the number of hours it takes to repair the appliance．What

is the cost of repairing an appliance if the wholesale price of the parts is $15and it takes 2 hours to

repair it?

A. $12 B. $18 C. $20

D. $40 E. $58

4. A **pany has found that the number of labor hours required to produce x items is directly

proportional to the square root of x．If 3 labor hours are required to produce 20 items，how many

labor hours are required to produce 40items?

5. A rectangular floor 18 feet by 10 feet is to become pletely covered with carpeting that costs x

dollars per square yard．In terms of x，how many dollars will the carpeting cost?(1 yard=3 feet)

A. 20x B. 28x C. 60x

D. 180x E. 540x

6. A consumer insulates a house with material bought at 20 percent off the list price of$370．If the

consumer also receives are bate of $25 from the manufacturer of the material，how much does the

material cost the consumer?

A. $238 B. $240 C. $263

D. $271 E. $325

7. The **mittee for a dance plans to fringe the 3-inch—wide end of a streamer by making small

cuts every inch．How many cuts must be made to fringe the end?

A. 45 B. 46 C. 47

D. 48 F.49

8. A research scientist wants to study a certain attribute of dogs． It is estimated that

approximately 5 percent ofall 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 abtain the

desired sample size?

A. B. 5N C. 20N

D. 105N E. 120N

9. 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

10. The illumination E， in foot candles，provided by a light source of intensity I，in candles，

at a distance D，in feet，iSgiven by For an illumination of50 foot candles at a distance of 4 feet

from a source，the intensity of the source must be

A. 50 candles

B. 200 candles

C. 800 candles

D. 1，600 candles

E. 2，500 candies

11. To obtain an FHA mortgage for $50，000or more，the home buyer must have adown payment

equal to 4 percent of the first $25，000 of the mortgage amount and5 percent of the portion in

excess of$25，000．At settlement the buyer pays a mortgage insurance premium equal to 3percent

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．

12. Of the 400 cadets in a graduating class，30percent were w。men and，of these，became

instructors．If the number of men who became instructors was twice the number of women who

became instructors，how many of the men became instructors?

A. 120 B. 48 C. 40 D. 24 E. 20

13. At 9:00 a．m．train T 1eft the train station and two hours later train S left the same station on a

parallel track． If train Taver aged 60 kilometers per hour and train Saver aged 75 kilometers per

hour until S passed T．at what time did S pass T?

A. 2:00 P．m． B. 5:00 p．m．

C. 6:00 P．m． D. 7:00p．m．

E. 9:00 P．m．

14. What was the original price of an item if a discount of 20 percent reduced the price to$100?

A. $80 B. $120 C. $125

D. $150 E. $250

15. In a certain room，all except 18 of the people are over 50 years of age．If 15 of the people in

the room are under 50 years of age，how many people are in the room?

A. 27 B. 30 C. 33 D. 36

E. It cannot be determined from theinformation given．

16. If 8，750 pairs of shoes are represented in the pictograph above，how many pairs of shoes does

each represent?

A. 350 B. 700 C. 730

D. 830 E. 1，400

17. when of a certain number is added to the number and this sum is subtracted from108．the

result is the original number．What is the original number?

A. 35 B. 45 C. 54

D. D. 270

18. A school bus has 10 double seats in each of2 rows．Two students can sit in each double seat．If

an empty bus starts out and makes two stops，picking up three times the number of students at the

second stop as at the first stop，and if the bus is then filled to seating capacity，how many students

got on the bus at the second stop?

A. 5 B. 10 C. 15

D. 20 E. 30

19. If the cost of a long—distance phone call is c cents for the first minute and cents for each

additional minute，what is the cost，in cents．of a 10-minute call of this type?

20. A certain money market account that had a balance of $48，000 during all of last

monthearned$360 in interest for the month．At what simple annual interest rate did the account

earn interest last month?

A. 7% B. 7.5% C. 8%

D. 8.5% E. 9%

21. A widow received of her husband’s estate，and each of her three sons received of the

balance．If the widow and one of her sons received a total of $60，000 from the estate．what was

the amount of the estate?

A. $90，000 B. $96，000

C. $108，000 D. $135，000

E. $180，000

22. In a certain country，a person is born every3 seconds and a person dies every

10seconds．Therefore，the birth and death rates account for a population growth rate of one Person

every

23. A buzzer sounds every 15 minutes．If the buzzer sounded at 12:40，which of the following

could be a time at which the buzzer sounded?

A. 4:05 B. 5:30 C. 6:45

D. 7:15 E. 8:10