2019年GRE数学真题(最新200题)

  SECTION11.Acertainbrandofdishwashingliquidwassoldintwodifferentbottlesizes.Thesmallbottlewassoldwith2/5asmanyouncesofliquidasthelargebottleandwassoldatapricethatwas1/2thepriceofthelargebottle.QuantityA:ThepriceperounceoftheliquidinthesmallbottleQuantityB:ThepriceperounceoftheliquidinthelargebottleA.QuantityAisgreater.B.QuantityBisgreater.C.ThetwoquantitiesareequalD.Therelationshipcannotbedeterminedfromtheinformationgiven.2.AB=12,AC=30,andAD=2/5(AC).QuantityA:ThemeasureofangleBDCQuantityB:120。A.QuantityAisgreater.B.QuantityBisgreater.C.ThetwoquantitiesareequalD.Therelationshipcannotbedeterminedfromtheinformationgiven.3.SetIconsistsoftheintegersfrom11through100,inclusive.QuantityA:4timesthenumberofintegersinsetTthataremultiplesof4QuantityB:5timesthenumberofintegersinsetTthataremultiplesof5A.QuantityAisgreater.B.QuantityBisgreater.C.ThetwoquantitiesareequalD.Therelationshipcannotbedeterminedfromtheinformationgiven.  4.x2+6x=7QuantityA:(x+3)2QuantityB:16A.QuantityAisgreater.B.QuantityBisgreater.C.ThetwoquantitiesareequalD.Therelationshipcannotbedeterminedfromtheinformationgiven.5.QuantityA:Thenumberofdifferentprimefactorsof500QuantityB:Thenumberofdifferentprimefactorsof360.A.QuantityAisgreater.B.QuantityBisgreater.C.ThetwoquantitiesareequalD.Therelationshipcannotbedeterminedfromtheinformationgiven.6.QuantityA:Theareaofatriangularregionwithperimeter8QuantityB:8A.QuantityAisgreater.B.QuantityBisgreater.C.ThetwoquantitiesareequalD.Therelationshipcannotbedeterminedfromtheinformationgiven.7.ListLconsistsof7numbers.TherangeofthenumbersinlistLis0.QuantityA:Theaverage(arithmeticmean)ofthenumbersinlistL.QuantityB:0A.QuantityAisgreater.B.QuantityBisgreater.C.ThetwoquantitiesareequalD.Therelationshipcannotbedeterminedfromtheinformationgiven.8.s=|t-2|QuantityA:s+2QuantityB:|t|A.QuantityAisgreater.B.QuantityBisgreater.C.ThetwoquantitiesareequalD.Therelationshipcannotbedeterminedfromtheinformationgiven.  9.!Ajarcontainsexactly10dimesandxquartersandnoothercoins.Ifacoinisrandomlyselectedfromthejar,theprobabilitythataquarterisselectedis0.6.Whatisthevalueofx.A.5B.6C.8D.12E.1510.Intherectangularcoordinatesystem,thepoint(3,1)isonthecirclewithcenter(0,-3).Whatistheareaofthecircle?A.5πB.7πC.10πD.25πE.11.(2x+1)2-(2x-1)2=A.2B.8xC.4x-1D.4x+1E.8x+212.WhichofthefollowingisanequationofalinethatdoeNOTcontainanypointsinthexy-planeforwhichbothcoordinatesareintegers?A.y=4B.C.y=x+3D.E.7pxy21=21+=xy321+=xy  13.Aveterinarianhas70clientswhoowncats,dogs,orboth.Oftheseclients,36owncats,including20clientswhoownbothcatsanddogs.Whichofthefollowingstatementsmustbetrue?Indicateallsuchstatements.A.Thereare54clientswhoowndogs.B.Thereare34clientswhoowndogsbutnotcats.C.Thereare16clientswhoowncatsbutnotdogs.14-16arebasedonthefollowingdata.Survery*ofpreferredmethodtoobtainnews,byage-group*Eachpersonsurveyedindicatedoneofthefourmethodsashisorherpreferredmethodtoobtainnews.14.Whatfractionofthepeopleintheage-group20to49indicatednewspaperortheInternetastheirpreferredmethodtoobtainnews?15.WhichofthefollowingisclosesttothepercentofallthepeoplesurveywhoindicatedtheInternetastheirpreferredmethodtoobtainnews?A.18.8%B.21.7%C.23.0%D.33.3%E.46.0%16.Fortheage-group50andolder,thenumberofpeoplewhoindicatedtheInternetastheirpreferredmethodtoobtainnewsisapproximatelywhatpercentlessthanthenumberofpeoplewhoindicatedradio?A.12%B.27%C.36%D.45%E.50%  17.Whenthepositiveintegerxisdividedby42,theremainderis19.Whatistheremainderwhenxisdividedby7?A.0B.2C.3D.4E.518.Ifxis4morethanhalfofyandifyis10morethanhalfofx,whatisthevalueofx?19.Apianistagreedtoperformoneconcertatafee12.5percentlessthanherusualfeeandasecondconcertatafee20percentgreaterthanthefirstfee.Thefeeforthesecondconcertwaswhatpercentgreaterthanherusualfee?A.5%B.7.5%C.15%D.16.25%E.32.5%20.TextbookNumberofPagesA510B480C490D520ExThetableshowsthenumberofpagesineachof5textbooks.Whatisthegreatestpossiblevalueofxforwhichtheaverage(arithmeticmean)numberofpagesofthe5textbooksisequaltothemediannumberofpagesofthe5textbooks?  SECTION21.Forthe500measurementsobtainedinexperimentX,theaverage(arithmeticmean)valueis280andthevaluekisatthe75thpercentile.Forthe500measurementsobtainedinexperimentY,theaveragevalueis280andthevaluenisatthe75thpercentile.QuantityA:kQuantityB:nA.QuantityAisgreater.B.QuantityBisgreater.C.ThetwoquantitiesareequalD.Therelationshipcannotbedeterminedfromtheinformationgiven.2.QuantityA:Thegreatestpossiblevalueof,where9≤x≤12and-2≤y≤8QuantityB:2A.QuantityAisgreater.B.QuantityBisgreater.C.ThetwoquantitiesareequalD.Therelationshipcannotbedeterminedfromtheinformationgiven.3.x-y=5QuantityA:x2-y2QuantityB:5A.QuantityAisgreater.B.QuantityBisgreater.C.ThetwoquantitiesareequalD.Therelationshipcannotbedeterminedfromtheinformationgiven.4.forallx.QuantityA:Thenumberbsuchthatf(b)istheminimumvalueoffQuantityB:-3A.QuantityAisgreater.B.QuantityBisgreater.C.Thetwoquantitiesareequaly-x249284)(2++=xxxf  D.Therelationshipcannotbedeterminedfromtheinformationgiven.5.QuantityA:(27)-8QuantityB:(81)-6A.QuantityAisgreater.B.QuantityBisgreater.C.Thetw