GRE十三套试题2gmat复习过程文档格式.docx

GRE十三套试题2gmat复习过程文档格式.docx

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Thetableabovegivesthecoffeeconsumptionin1994forfivecountries.Ifthetotalcoffeeconsumptionofthesecountrieswas40percentoftheworld’scoffeeconsumption,whatwastheworld’scoffeeconsumption,inmillionsofkilograms,in1994?

A.4,320

B.4,470

C.5,400

D.6,480

E.6,700

Answer:

Q2:

Whenpositiveintegerxisdividedbypositiveintegery,theremainderis9.Ifx/y=96.12,whatisthevalueofy?

A.96

B.75

C.48

D.25

E.12

Q3:

IsthestandarddeviationofthesalariesofCompanyY’semployeesgreaterthanthestandarddeviationofthesalariesofCompanyZ’semployees?

（1）Theaverage（arithmeticmean）salaryofCompanyY’semployeesisgreaterthantheaveragesalaryofCompanyZ’semployees.

（2）ThemediansalaryofCompanyY’semployeesisgreaterthanthemediansalaryofCompanyZ’semployees.

A.Statement

（1）ALONEissufficient,butstatement

（2）aloneisnotsufficient.

B.Statement

（2）ALONEissufficient,butstatement

（1）aloneisnotsufficient.

C.BOTHstatementsTOGETHERaresufficient,butNEITHERstatementALONEissufficient.

D.EACHstatementALONEissufficient.

E.Statements

（1）and

（2）TOGETHERareNOTsufficient.

Q4:

Whatisthevalueofv3–k3?

（1）vk>

0

（2）v–k=6

Q5:

AE

Inthefigure,pointsA,B,C,D,andElieonaline.Aisonbothcircles,Bisthecenterofthesmallercircle,Cisthecenterofthelargercircle,Disonthesmallercircle,andEisonthelargercircle.Whatistheareaoftheregioninsidethelargercircleandoutsidethesmallercircle?

（1）AB=3andBC=2

（2）CD=1andDE=4

Q6:

Thefigureaboveshowsthedimensionsofasemicircularcrosssectionofaone-waytunnel.Thesingletrafficlaneis12feetwideandisequidistantfromthesidesofthetunnel.Ifvehiclesmustclearthetopofthetunnelbyatleast½

footwhentheyareinsidethetrafficlane,whatshouldbethelimitontheheightofvehiclesthatareallowedtousethetunnel?

A.5½

ft

B.7½

C.8½

ft

D.9½

E.10ft

Q7:

SquareSisinscribedincircleT.IftheperimeterofSis24,whatisthecircumferenceofT?

A.6π

B.12π

C.3√2π

D.6√2π

E.12√2π

Q8:

Theoperation⊗isdefinedforallnonzeronumbersaandbbya⊗b=a/b–b/a.Ifxandyarenonzeronumbers,whichofthefollowingstatementsmustbetrue?

I.x⊗xy=x（1⊗y）

II.x⊗y=-（y⊗x）

III.1/x⊗1/y=y⊗x

A.Ionly

B.IIonly

C.IIIonly

D.IandII

E.IIandIII

Answer:

Q9:

Whatwasthepriceatwhichamerchantsoldacertainappliance?

（1）Themerchant’sgrossprofitontheappliancewas20percentofthepriceatwhichthemerchantsoldtheappliance.

（2）Thepriceatwhichthemerchantsoldtheappliancewas$50morethanthemerchant’scostoftheappliance.

Q10:

Anattorneychargedafeeforestateplanningservicesforacertainestate.Theattorney’sfeewaswhatpercentoftheaccessedvalueoftheestate?

（1）Theaccessedvalueoftheestatewas$1.2million.

（2）Theattorneycharged$2,400fortheestateplanningservices.

Q11:

Isthesumoftheintegersxandyaprimenumber?

（1）xisanevenprimenumber.

（2）yisaprimenumberbetween10and20.

Q12:

Thereare11womenand9meninacertainclub.Iftheclubistoselectacommitteeof2womenand2men,howmanydifferentsuchcommitteesarepossible?

A.120

B.720

C.1,060

D.1,520

E.1,980

Q13:

Anintegergreaterthan1thatisnotprimeiscalledcomposite.Ifthetwo-digitintegernisgreaterthan20,isncomposite?

（1）Thetensdigitofnisafactoroftheunitsdigitofn.

（2）Thetensdigitofnis2.

Q14:

C（m,n）=m!

/[（m-n）!

n!

]fornonnegativeintegersmandn,m≥n.IfC（5,3）=C（5,x）andx≠3,whatisthevalueofx?

A.0

B.1

C.2

D.4

E.5

Q15:

Ifw,x,y,andzareintegerssuchthat1<

w<

x<

y<

zandwxyz=462,thenz=?

A.7

B.11

C.14

D.21

E.42

Q16:

Thesumofthreeintegersis40.Thelargestintegeris3timesthemiddleinteger,andthesmallestintegeris23lessthanthelargestinteger.Whatistheproductofthethreeintegers?

A.1,104

B.972

C.672

D.294

E.192

Q17:

Ifaandbarepositive,is（a-1+b-1）-1lessthan（a-1b-1）-1?

（1）a=2b

（2）a+b>

1

Q18:

Onacertaintransatlanticcrossing,20percentofaship’spassengersheldround-tripticketsandalsotooktheircarsabroadtheship.If60percentofthepassengerswithround-tripticketsdidnottaketheircarsabroadtheship,whatpercentoftheship’spassengersheldround-triptickets?

A.331/3%

B.40%

C.50%

D.60%

E.662/3%

Q19:

Ifxisaninteger,whichofthefollowingmustbeanoddinteger?

A.2x+2

B.4x+3

C.12x-6

D.13x

E.14x

Q20:

Acollectionof36cardsconsistsof4setsof9cardseach.The9cardsineachsetarenumbered1through9.Ifonecardhasbeenremovedfromthecollection,whatisthenumberonthatcard?

（1）Theunitsdigitofthesumofthenumbersonth