已选分类
管理学工商管理
单选题Three stacks containing equal numbers of chips are to be made from 9 red chips, 7 blue chips，and 5 green chips．If all of these chips are used and each stack contains at least 1 chip of each color, what is the maximum number of red chips in any one stack? (A) 7 (B) 6 (C) 5 (D) 4 (E) 3
单选题InyearXatotalof355billiondollarswasspentforhealthcareintheUnitedStates,30percentofwhichwasspentbyprivatehealthinsurancecompanies.Wastheamountspentforhealthcarebythefederalgovernment'smedicareprogramlessthan60billiondollars?(1)InyearXmedicarespentmorethan,butlessthan,oftheamountspentbytheprivatehealthinsurancecompaniesforhealthcare.(2)InyearXmedicarespent50billiondollarslessforhealthcarethantheamountspentbyprivatehealthinsurancecompanies.
单选题If n is a positive integer, then n(n+1)(n+2) is (A) even only when n is even (B) even only when n is odd (C) odd whenever n is odd (D) divisible by 3 only when n is odd (E) divisible by 4 whenever n is even
单选题Is the integer n a multiple of 140? (1) n is a multiple of 10. (2) n is a multiple of 14. (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Thetableaboveshowsthecost,indollars,oftravelingtoandfromcitiesA,B,C,D,E,andF.AsalesrepresentativewantstoleavefromA,traveltoC,E,andF,andreturntoA.IfthefirstcitythatthesalesrepresentativetravelstomustbeE，whatistheminimumpossiblecostfortheentiretrip?(A)$13(B)$14(C)$16(D)$18(E)$20
单选题PatwillwalkfromintersectionXtointersectionYalongaroutethatisconfinedtothesquaregridoffourstreetsandthreeavenuesshowninthemapabove.HowmanyroutesfromXtoYcanPattakethathavetheminimumpossiblelength?
单选题Aplanetraveledkmilesinthefirst96minutesofflighttime.Ifitcompletedtheremaining300milesofthetripintminutes,whatwasitsaveragespeed,inmilesperhour,fortheentiretrip?
单选题Overthelastthreeyearsascientisthadanaverage(arithmeticmean)yearlyincomeof$45,000.Thescientistearned1timesasmuchthesecondyearasthefirstyearandtimesasmuchthethirdyearasthefirstyear.Whatwasthescientist'sincomethesecondyear?
单选题Acertainbasketballteamthathasplayedofitsgameshasarecordof17winsand3losses.Whatisthegreatestnumberoftheremaininggamesthattheteamcanloseandstillwinatleasofallofitsgames?
单选题What is the least possible product of 4 different integers, each of which has a value between -5 and 10, inclusive? (A) -5040 (B) -3600 (C) -720 (D) -600 (E) -120
单选题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?
单选题InTownshipK,ofthehousingunitsareequippedwithcabletelevision.Ifofthehousingunits,includingofthosethatareequippedwithcabletelevision,areequippedwithvideocassetterecorders,whatfractionofthehousingunitshaveneithercabletelevisionnorvideocassetterecorders?
单选题If the price of potatoes is $0.20 per pound, what is the maximum number of potatoes 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.
单选题If all of the telephone extensions in a certain company must be even numbers, and if each of the extensions uses all four of the digits 1, 2, 3, and 6，what is the greatest number of four—digit extensions that the company can have? (A) 4 (B) 6 (C) 12 (D) 16 (E) 24
单选题On a certain scale of intensity, each increment of 10 in magnitude represents a tenfold 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?
单选题The senator has long held to the general printable that no true work of art is obscene and thus that there is no conflict between the need to encourage free artistic expression and the need to protect the sensibilities of the public from obscenity. When well-known works generally viewed as obscene are cited as possible counterexamples, the senator justifies accepting the principle by saying that if these works really are obscene then they cannot be works of art.
The senator"s reasoning contains which one of the following errors?
单选题IfMarksavedanaverage(arithmeticmean)of$80perweekfor3consecutiveweeks,howmuchdidhesavethesecondweek?(1)TheaverageamountthatMarksavedperweekforthefirst2weekswas$60.(2)TheamountthatMarksavedthefirstweekwastheamounthesavedthesecondweekandtheamounthesavedthethirdWeek.
单选题The recent upheaval in the office-equipment retail business, in which many small firms have gone out of business, has been attributed to the advent of office equipment "superstores" whose high sales volume keeps their prices low. This analysis is flawed, however, since even today the superstores control a very small share of the retail market.
Which of the following, if true, would most weaken the argument that the analysis is flawed?
单选题For a trade embargo against a particular country to succeed, a high degree of both international accord and ability to prevent goods from entering or leaving that country must be sustained. A total blockade of Patria"s ports is necessary to an embargo, but such an action would be likely to cause international discord over the embargo.
The claims above, if true, most strongly support which of the following conclusions?
单选题In a study of the effect of color on productivity, 50 of 100 factory workers were moved from their drab workroom to a brightly colored workroom. Both these workers and the 50 who remained in the drab workroom increased their productivity, probably as a result of the interest taken by researchers in the work of both groups during the study.
Which of the following, if true, would cast most doubt upon the author"s interpretation of the study results given above?