1、工商管理硕士入学考试-文字题(二)及答案解析(总分:285.00,做题时间:90 分钟)一、单项选择题(总题数:57,分数:285.00)1.If a certain grove consists of 36 pecan trees, what was the yield per tree last year?(1)The yield per tree for the 18 trees in the northern half of the grove was 60 kilograms last year.(2)The yield per tree for the 18 trees in th
2、e eastern half of the grove was 55 kilograms last year.(A) 条件(1)充分,但条件(2)不充分(B) 条件(2)充分,但条件(1)不充分(C) 条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分(D) 条件(1)充分,条件(2)也充分(E) 条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分(分数:5.00)A.B.C.D.E.2.While driving Oil the expressway, did Robin ever exceed the 55-miles-per-hour speed
3、 limit?(1)Robin drove 100 miles on the expressway.(2)Robin drove for 2 hours on the expressway.(A) 条件(1)充分,但条件(2)不充分(B) 条件(2)充分,但条件(1)不充分(C) 条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分(D) 条件(1)充分,条件(2)也充分(E) 条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分(分数:5.00)A.B.C.D.E.3.In a student body the ratio of men to women
4、 was 1 to 4. After 140 additional men were admitted, the ratio of men to women became 2 to 3. How large was the student body after the additional men were admitted?(A) 700 (B) 560 (C) 280(D) 252 (E) 224(分数:5.00)A.B.C.D.E.4.An instructor scored a students test of 50 questions by subtracting 2 times t
5、he number of incorrect answers from the number of correct answers. If the student answered all of the questions and received a score of 38, how many questions did that student answer correctly?(A) 19 (B) 38 (C) 41(D) 44 (E) 46(分数:5.00)A.B.C.D.E.5.A wildlife preserve is being planned for 3,000 rhinoc
6、eroses. The preserve is to contain a total of 10,000 acres of watering area, plus 100 acres of grazing area for each rhinoceros. If the number of rhinoceroses is expected to increase by 10 percent, how many thousand acres should the preserve have in order to provide for the increased population?(A)
7、340 (B) 330 (C) 320(D) 310 (E) 300(分数:5.00)A.B.C.D.E.6.At a certain state university last term, there were p students each of whom paid either the full tuition of x dollars or half the full tuition. What percent of the tuition paid by the p students last term was tuition from students who paid the f
8、ull tuition?(1)Of the P students, 20 percent paid the full tuition.(2)The p students paid a total of $91.2 million for tuition last term.(A) 条件(1)充分,但条件(2)不充分(B) 条件(2)充分,但条件(1)不充分(C) 条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分(D) 条件(1)充分,条件(2)也充分(E) 条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分(分数:5.00)A.B.C.D.E.7.A
9、 cashier mentally reversed the digits of one customers correct amount of change and thus gave the customer art incorrect amount of change. If the cash register contained 45 cents more than it should have as a result of this error, which of the following could have been the correct amount of change i
10、n cents?(A) 14 (B) 45 (C) 54(D) 65 (E) 83(分数:5.00)A.B.C.D.E.8.The ratio,by volume, of soap to alcohol to water in a certain solution is 2:50:100. The solution will be altered so that the ratio of soap to alcohol is doubled while the ratio of soap to water is halved. If the altered solution will cont
11、ain 100 cubic centimeters of alcohol, how many cubic centimeters of water will it contain?(A) 50 (B) 200 (C) 400(D) 625 (E) 800(分数:5.00)A.B.C.D.E.9.If the ratio of men to women employed by Company S in 1975 was (分数:5.00)A.B.C.D.E.10.A certain Social Security recipient will receive an annual benefit
12、of $12,000 provided he has annual earnings of $9,360 or less, but the benefit will be reduced by $1 for every $3 of annual earnings over $9,360. What amount of total annual earnings would result in a 50 percent reduction in the recipients annual Social Security benefit? (Assume Social Security benef
13、its are not counted as part of annual earnings.)(A) $15,360 (B) $17,360(C) $18,000 (D) $21,360(E) $27,360(分数:5.00)A.B.C.D.E.11.If money is invested at r percent interest, compounded annually, the amount of the investment will double in approximately (分数:5.00)A.B.C.D.E.12.A boy walking along a road a
14、t 3 kilometers per hour is overtaken by 3 truck traveling at 40 kilometers per hour. If the truck breaks down 1 kilometer beyond where it passes the boy, how many minutes after the breakdown does the boy reach the truck?(分数:5.00)A.B.C.D.E.13.A merchant paid $300 for a shipment of x identical calcula
15、tors. The merchant used 2 of the calculators as demonstrators and sold each of the others for $5 more than the average (arithmetic mean) cost of the X calculators. If the total revenue from the sale of the calculators was $120 more than the cost of the shipment, how many calculators were in the ship
16、ment?(A) 24 (B) 25 (C) 26(D) 28 (E) 30(分数:5.00)A.B.C.D.E.14.At a certain university, if 50 percent of the people who inquire about admission policies actually submit applications for admission, what percent of those who submit applications for admission enroll in classes at the university?(1)Fifteen
17、 percent of those who submit applications for admission are accepted at the university.(2)Eighty percent of those who are accepted send a deposit to the university.(A) 条件(1)充分,但条件(2)不充分(B) 条件(2)充分,但条件(1)不充分(C) 条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分(D) 条件(1)充分,条件(2)也充分(E) 条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起
18、来也不充分(分数:5.00)A.B.C.D.E.15.An airline passenger is planning a trip that involves three connecting flights that leave from Airports A, B, and C, respectively. The first flight leaves Airport A every hour,beginning at 8:00 a.m., and arrives at Airport B hours later. The second flight leaves Airport B
19、every 20 minutes, beginning at 8:00 a.m., and arrives at Airport C (分数:5.00)A.B.C.D.E.16.At what speed was a train traveling on a trip when it had completed half of the total distance of the trip?(1)The trip was 460 miles long and took 4 hours to complete.(2)The train traveled at an average rate of
20、115 miles per hour Oil the trip.(A) 条件(1)充分,但条件(2)不充分(B) 条件(2)充分,但条件(1)不充分(C) 条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分(D) 条件(1)充分,条件(2)也充分(E) 条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分(分数:5.00)A.B.C.D.E.17.A certain clock marks every hour by striking a number of times equal to the hour and the time required fo
21、r a stroke is exactly equal to the time interval between strokes. At 6:00 the time lapse between the beginning of the first stroke and the end of the last stroke is 22 seconds. At 12:00, how many seconds elapse between the beginning of the first stroke and the end of the last stroke?(A) 72 (B) 50 (C
22、) 48(D) 46 (E) 44(分数:5.00)A.B.C.D.E.18.In a certain animal population, for each of the first 3 months of life, the probability that an animal will die during that month is (分数:5.00)A.B.C.D.E.19.A toy store regularly sells all stock at a discount of 20 percent to 40 percent. If an additional 25 perce
23、nt were deducted from the discount price during a special sale, what would be the lowest possible price of a toy costing $16 before any discount?(A) $5.60 (B) $7.20 (C)$8.80(D) $9.60 (E) $15.20(分数:5.00)A.B.C.D.E.20.On a certain scale of intensity, each increment of 10 in magnitude represents a tenfo
24、ld increase in intensity. On this scale, an intensity corresponding to a magnitude of 165 is how many times an intensity corresponding to a magnitude of 125?(A) 40 (B) 100 (C) 400(D) 1,000 (E) 10,000(分数:5.00)A.B.C.D.E.21.If the price of potatoes is $0.20 per pound, what is the maximum number of pota
25、toes that can be bought for $1.00?(1)The price of a bag of potatoes is $2.80.(2)There are 15 to 18 potatoes in every 5 pounds.(A) 条件(1)充分,但条件(2)不充分(B) 条件(2)充分,但条件(1)不充分(C) 条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分(D) 条件(1)充分,条件(2)也充分(E) 条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分(分数:5.00)A.B.C.D.E.22.A certain e
26、ar increased its average speed by 5 miles per hour in each successive 5-minute interval after the first interval. If in the first 5-minute interval its average speed was 20 miles per hour, how many miles did the car travel in the third 5-minute interval?(A) 1.0 (B) 1.5 (C) 2.0(D) 2.5 (E) 3.0(分数:5.00
27、)A.B.C.D.E.23.In year X a total of 355 billion dollars was spent for health care in the United States, 30 percent of which was spent by private health insurance companies. Was the amount spent for health care by the federal governments medicare program less than 60 billion dollars?(1)In year X medic
28、are spent more than , but less than (分数:5.00)A.B.C.D.E.24.Erica has $460 in 5-and 10-dollar bills only. If she has fewer 10-than 5-dollar bills, what is the least possible number of 5-dollar bills she could have?(A) 32 (B) 30 (C) 29(D) 28 (E) 27(分数:5.00)A.B.C.D.E.25.A person bought a ticket to a bal
29、l game for $15 and later sold the ticket for $60. What was the percent increase in the price of the ticket?(A) 25% (B) (分数:5.00)A.B.C.D.E.26.Town T has 20,000 residents, 60 percent of whom are female. What percent of the residents were born in Town T?(1)The number of female residents who were born i
30、n Town T is twice the number of male residents who were not born in Town T.(2)The number of female residents who were not born in Town T is twice the number of male residents who were born in Town T.(A) 条件(1)充分,但条件(2)不充分(B) 条件(2)充分,但条件(1)不充分(C) 条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分(D) 条件(1)充分,条件(2)也充分(
31、E) 条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分(分数:5.00)A.B.C.D.E.27.Car X and car Y ran a 500-kilometer race, what was the average speed of car X?(1)Car X completed the race in 6 hours and 40 minutes.(2)Car Y, at an average speed of 100 kilometers per hour, completed the race 1 hour and 40 minutes before
32、car X crossed the finish line.(A) 条件(1)充分,但条件(2)不充分(B) 条件(2)充分,但条件(1)不充分(C) 条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分(D) 条件(1)充分,条件(2)也充分(E) 条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分(分数:5.00)A.B.C.D.E.28.A family made a down payment of $75 and borrowed the balance on a set of encyclopedias that cost $400. The
33、balance with interest was paid in 23 monthly payments of $16 each and a final payment of $9.The amount of interest paid was what percent of the amount borrowed?(A) 6% (B) 12% (C) 14%(D) 16% (E) 20%(分数:5.00)A.B.C.D.E.29.A total of 40 brand X television sets and 80 brand Y television sets were purchas
34、ed for a motel chain. If the price of each brand Y set was twice the price of each brand X set, what percent of the total bill was the price of a brand Y set?(A) 0.25%(B) 0.5%(C) 0.625%(D) 0.833%(E) 1.0%(分数:5.00)A.B.C.D.E.30.Company Rs annual profit has increased by a constant amount each calendar y
35、ear since 1985. What was Company Rs annual profit in 1991?(1)In 1985 Company Rs annual profit was $212.000; in 1989 Company Rs annual profit was $242,000.(2)Company Rs annual profit has increased by $7,500 each year since 1985.(A) 条件(1)充分,但条件(2)不充分(B) 条件(2)充分,但条件(1)不充分(C) 条件(1)和(2)单独都不充分,但条件(1)和条件(2
36、)联合起来充分(D) 条件(1)充分,条件(2)也充分(E) 条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分(分数:5.00)A.B.C.D.E.31.How many liters of pure alcohol must be added to a 100-liter solution that is 20 percent alcohol in order to produce a solution that is 25 percent alcohol?(分数:5.00)A.B.C.D.E.32.One-fifth of the light switches p
37、roduced by a certain factory are defective. Four-fifths of the defective switches are rejected and (分数:5.00)A.B.C.D.E.33.One night 18 percent of the female officers on a police force were on duty. If 180 officers were on duty that night and half of these were female officers, how many female officer
38、s were on the police force?(A) 90 (B) 180 (C) 270(D) 500 (E) 1,000(分数:5.00)A.B.C.D.E.34.Kim bought a total of $2.65 worth of postage stamps in four denominations. If she bought an equal number of 5-cent and 25-cent stamps and twice as many 10-cent stamps as 5-cent stamps, what is the least number of
39、 1-cent stamps she could have bought?(A) 5 (B) 10 (C) 15(D) 20 (E) 25(分数:5.00)A.B.C.D.E.35.In a refinery, the capacity of oil tank A is 70 per cent of the capacity of oil tank B.How many more gallons of oil are in tank A than in tank B?(1)Tank A is 90 percent full; tank B is 50 percent full.(2)When
40、full, tank A contains 50,000 gallons of oil.(A) 条件(1)充分,但条件(2)不充分(B) 条件(2)充分,但条件(1)不充分(C) 条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分(D) 条件(1)充分,条件(2)也充分(E) 条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分(分数:5.00)A.B.C.D.E.36.A decorator bought a bolt of defective cloth that he judged to be usable, in which ease the c
41、ost would be $0.80 per usable yard. If it was later found that only (分数:5.00)A.B.C.D.E.37.A sum of $200,000 from a certain estate was divided among a spouse and three children. How much of the estate did the youngest child receive?(1)The spouse received of the sum from the estate, and tile oldest ch
42、ild received of (分数:5.00)A.B.C.D.E.38.A breakfast that consists of 1 ounce of corn puffs and 8 ounces of fruit X provides 257 calories. When 8 ounces of fruit Y is substituted for the 8 ounces of fruit X, the total number of calories is reduced to 185. If fruit X provides 1.8 times as many calories
43、as fruit Y, how many calories does 8 ounces of fruit Y alone provide?(A) 11.25 (B) 72 (C) 90(D) 95 (E) 129.6(分数:5.00)A.B.C.D.E.39. (分数:5.00)A.B.C.D.E.40.An employee is paid 1.5 times the regular hourly rate for each hour worked in excess of 40 hours per week, excluding Sunday, and 2 times the regula
44、r hourly rate for each hour worked on Sunday. How much was the employee paid last week?(1)The employees regular hourly rate is $10.(2)Last week the employee worked a total of 54 hours but did not work more than 8 hours on any day.(A) 条件(1)充分,但条件(2)不充分(B) 条件(2)充分,但条件(1)不充分(C) 条件(1)和(2)单独都不充分,但条件(1)和条
45、件(2)联合起来充分(D) 条件(1)充分,条件(2)也充分(E) 条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分(分数:5.00)A.B.C.D.E.41.A car traveled 462 miles per tankful of gasoline on the highway and 336 miles per tankful of gasoline in the city. If the car traveled 6 fewer miles per gallon in the city than on the highway, how many miles
46、 per gallon did the car travel in the city?(A) 14 (B) 16 (C) 21(D) 22 (E) 27(分数:5.00)A.B.C.D.E.42.A digital wristwatch was set accurately at 8:30 a.m. and then lost 2 seconds every 5 minutes. What time was indicated on the watch at 6:30 p.m. of the same day if the watch operated continuously until t
47、hat time?(A) 5:56 (B) 5:58 (C)6:00(D) 6:23 (E) 6:26(分数:5.00)A.B.C.D.E.43.On a certain day it took Bill three times as long to drive from home to work as it took Sue to drive from home to work. How many Kilometers did Bill drive from home to work?(1)Sue drove 10 kilometers from home to work, and the
48、ratio of was the same for Bill and Sue that day.(2)The ratio of for Sue that day was 64 kilometers per hour.(分数:5.00)A.B.C.D.E.44.A retailer sold an appliance for 30 percent above cost, which represented a gross profit of $21.00. For what price did the retailer sell the appliance?(A) $27.30 (B) $51.
49、00(C) $63.00 (D) $70.00(E) $91.00(分数:5.00)A.B.C.D.E.45.Last week a production worker had gross earnings of $390.00. If she worked more than 40 hours last week and was paid 1.5 times her regular hourly rate for each hour worked in excess of 40 hours, how many hours did she work last week?(1)If she had worked 4 more hours last week, her gross earnings would have been $435.00.(2)Her regular hourly rate last week was $7.50.(A) 条件(1)充分,但条件(2)不充分(B) 条件(2)充分,但条件(1)不充分(C) 条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分(D) 条件(1)充分,条件(2)也充分(E) 条件(1