已选分类
管理学
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What is the perimeter of △PQR? (1)The measures of ∠PQR, ∠QRP, and ∠RPQ are x°, 2x°, and 3x°, respectively. (2)The altitude of △PQR from Q to PR is 4.
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Thefigureaboverepresentsthefloorplanofanartgallerythathasalobbyand18rooms.IfLisagoesfromthelobbyintoroomAatthesametimethatPaulgoesfromthe10bbyintoroomRandeachgoesthroughalloftheroomsinsuccession,enteringbyonedoorandexitingbytheother,whichroomwilltheybeinatthesametime?(1)Lisaspends2xminutesineachroomandPaulspends3xminutesineachroom.(2)Lisaspends10minuteslesstimeineachroomthanPauldoes.
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How many positive prime numbers are less than the integer n? (1)14＜n＜20 (2)13＜n＜17
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?
单选题 The following data sufficiency problems consist of
a question and two statements, labeled (1) and (2), in which certain data are
given.You have to decide whether the data given in the statements are
sufficient for answering the question. Using the data given in the
statements plus your knowledge of mathematics and everyday facts (such
as the number of days in July or the meaning of counterclockwise), you must
indicate whether Ａ. Statement (1) ALONE is sufficient, but
statement (2) alone is not sufficient. Ｂ. Statement (2) ALONE
is sufficient, but statement (1) alone is not sufficient. Ｃ.
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is
sufficient. Ｄ. EACH statement ALONE is
sufficient. Ｅ. Statements (1) and (2) TOGETHER are NOT
sufficient.
单选题Pam and Ed are in a line to purchase tickets. How many people are in the line?
(1)There are 20 people behind Pare and 30 people in front of Ed.
(2)There are 5 people between Pam and Ed.
单选题Howmanyfactorsof60aregreaterthan?
单选题Fourcupsofmilkaretobepouredintoa2-cupbottleanda4-cupbottle.Ifeachbottleistobefilledtothesamefractionofitscapacity,howmanycupsofmilkshouldbepouredintothe4-cupbottle?
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In a retail store, the average (arithmetic mean) sale for month M was d dollars. Was the average (arithmetic mean) sale for month J at least 20 percent higher than that for month M? (1)For month M, total revenue from sales was $3,500. (2)For month J, total revenue from sales was $6, 000.
单选题In a certain game, a large container is filled with red, yellow, green and blue beads worth, respectively, 7, 5, 3, and 2 points each. A number of beads are then removed from the container. If the product of the point values of the removed beads is 147,000, how many red beads were removed?