已选分类
管理学工商管理
单选题Company R"s annual profit has increased by a constant amount each calendar year since 1985. What was Company R"s annual profit in 1991?
(1)In 1985 Company R"s annual profit was $212.000; in 1989 Company R"s annual profit was $242,000.
(2)Company R"s annual profit has increased by $7,500 each year since 1985.
单选题If ω, x, y, and z are non-negative integers, each less than 3, and ω(33)+x(32)+y(3)+z=34，thenω+z= (A) 0 (B) 1 (C) 2 (D) 3 (E) 4
单选题On a certain 10-question test, each question after the first question is worth 2 points more than the previous question. If the greatest number of points that can be scored on the test is 100, how many points is the eighth question worth?
单选题If X and Y are sets of integers, X△Y denotes the set of integers that belong to set X or set Y, but not both. If X consists of 10 integers, Y consists of 18 integers，and 6 of the integers are in both X and Y, then X△Y consists of how many integers?
单选题Politician: Pundits claim that by voting for candidates who promise to cut taxes, people show that they want the government to provide fewer services than it has been providing. By that reasoning, however, people who drink too much alcohol at a party in the evening want a headache the next morning.
Which of the following could replace the statement about people who drink too much without undermining the force of the politician"s argument?
单选题IftheratioofmentowomenemployedbyCompanySin1975was,whatistheratioofmentowomenemployedbyCompanySin1976?(1)CompanySemployed20morewomenin1976thanin1975.(2)CompanySemployed20moremenin1976thanin1975.
单选题Most geologists believe oil results from chemical transformations of hydrocarbons derived from organisms buried under ancient seas. Suppose, instead, that oil actually results from bacterial action on other complex hydrocarbons that are trapped within the Earth. As is well known, the volume of these hydrocarbons exceeds that of buried organisms. Therefore, our oil reserves would be greater than most geologists believe.
Which of the following, if true, gives the strongest support to the argument above about our oil reserves?
单选题Howmanyfactorsof60aregreaterthan?
单选题Thefigureaboverepresentsthefloorplanofanartgallerythathasalobbyand18rooms.IfLisagoesfromthelobbyintoroomAatthesametimethatPaulgoesfromthe10bbyintoroomRandeachgoesthroughalloftheroomsinsuccession,enteringbyonedoorandexitingbytheother,whichroomwilltheybeinatthesametime?(1)Lisaspends2xminutesineachroomandPaulspends3xminutesineachroom.(2)Lisaspends10minuteslesstimeineachroomthanPauldoes.
单选题Theadditionproblemaboveshowsfourofthe24differentintegersthatcanbeformedbyusingeachofthedigits1,2,3and4exactlyonceineachinteger.Whatisthesumofthese24integers?(A)24,000(B)26,664(C)40,440(D)60,000(E)66,660
单选题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 1-cent stamps she could have bought? (A) 5 (B) 10 (C) 15 (D) 20 (E) 25
单选题Fourcupsofmilkaretobepouredintoa2-cupbottleanda4-cupbottle.Ifeachbottleistobefilledtothesamefractionofitscapacity,howmanycupsofmilkshouldbepouredintothe4-cupbottle?
单选题How many positive prime numbers are less than the integer n? (1)14＜n＜20 (2)13＜n＜17
单选题If x and y are positive integers and x is a multiple of y，is y=2? (1)y≠1 (2)x+2 is a multiple of y. (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．
单选题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)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．
单选题A jewelry dealer initially offered a bracelet for sale at an asking price that would give a profit to the dealer of 40 percent of the original cost. What was the original cost of the bracelet?
(1)After reducing this asking price by 10 percent, the jewelry dealer sold the bracelet at a profit of $403.
(2)The Jewelry dealer sold the bracelet for $1,953.
单选题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 that time?
单选题Among the more effective kinds of publicity that publishers can get for a new book is to have excerpts of it published in a high-circulation magazine soon before the book is published. The benefits of such excerption include not only a sure increase in sales but also a fee paid by the magazine to the book"s publisher.
Which of the following conclusions is best supported by the information above?
单选题Is a+b+C+d equal to 4? (1)a, b, c, and d are each positive. (2)The product abcd equals 1. (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．
单选题How does a building contractor most readily prove compliance with the building codes governing new construction? By using those established technologies that the authors of the codes had in mind when setting specifications. This, unfortunately, means that there will never be any significant technological innovation within the industry.
Which of the following, if true, casts the most serious doubt on the conclusion above?