TextBookforGRE
WhatistheGRE?Abriefhistoryandpurposeoftheexamasa graduateschooladmissionsrequirement.
TestFormat:Detailedbreakdownofthethreesections:Verbal Reasoning,QuantitativeReasoning,andAnalyticalWriting.
Scoring:Anexplanationofthescoringscaleforeachsection(e.g., VerbalandQuant:130-170,AnalyticalWriting:0-6).Discussthe conceptofadaptivetestingwithintheVerbalandQuantitative sections.
TestLogistics:Informationonregistration,testdates,andwhatto expectontestday.
SettingGoals:Aguideonhowtodetermineatargetscorebasedon therequirementsofthestudent'sdesiredgraduateprogramsand howtocreatearealisticstudytimeline.
VerbalReasoningExampleQuestions
TextCompletion
Question1:
Thediscoveryofanewplanetwasa(i)event,atrueanomalythat challengedtheprevailingastronomicaltheories,leadingtoaperiod ofintenseintellectual(ii)amongresearchers.
(i)A)commonplace
B)unprecedented
C)predictable (ii)
D)stagnation
E)collaboration
F)upheaval
Explanation:
Part(i):Thesentencestatesthediscovery"challengedtheprevailing astronomicaltheories"Thisimpliestheeventwasunusualandnot expected."Unprecedented"(B)meansneverdoneorknownbefore, whichfitsperfectlywiththeideaofachallengetoexistingtheories. "Commonplace"(A)and"predictable"(C)aretheoppositeofwhat thesentencesuggests.
Part(ii):Thephrase"intenseintellectual"followsthechallengeto theories.Achallengewouldleadtoadramaticshiftinthinking,not aperiodofinactivity("stagnation,"D)orsimpleteamwork ("collaboration,"E)."Upheaval"(F)meansaviolentorsudden changeordisruption,whichaccuratelydescribestheintellectual fermentcausedbythenewdiscovery.
CorrectAnswers:BandF
SentenceEquivalence
Question2:
Thedirector'slatestfilm,thoughlaudedbysomecriticsasa refreshingdeparturefromhisusualstyle,wasultimately by itsconvolutedplotandunconvincingcharacterdevelopment.
A)diminished
B)strengthened
C)hindered
D)augmented
E)protracted
F)facilitated
Explanation:
Thesentencedescribesafilmthatwaspraised("lauded")buthad flaws("convolutedplot,""unconvincingcharacterdevelopment").
Theblankrequiresawordthatshowshowtheseflawsnegatively impactedthefilm.
"Diminished"(A)meansmadelessimpressiveorvaluable "Hindered"(C)meanscreateddifficultiesfor;gotinthewayof Bothofthesewordsfitthecontextperfectly,astheflawsmadethe filmlesssuccessful.
"Strengthened"(B)and"augmented"(D)areantonyms,meaningto makesomethingstrongerorgreater,whichistheoppositeof what'sneeded"Protracted"(E)meanstolastforalongtime,and "facilitated"(F)meanstomakeanactionorprocesseasyoreasier, neitherofwhichmakessenseinthecontextofthesentence.
CorrectAnswers:AandC
ReadingComprehension
Question3:
Thefollowingisaparagraphfromascientificjournal: "Recentstudiesonthemigratorypatternsofmonarchbutterflies haverevealedasurprisinganomalyItwaslongbelievedthatthe monarchsofeasternNorthAmericafollowedasingle,genetically programmedroutetotheirwinteringgroundsinMexico.However, datafromanewcitizenscienceproject,whichtrackedthousands ofindividualbutterflies,indicatesamuchmorecomplexsystem. Insteadofoneunifiedmigration,thebutterfliesappeartofollow multiple,regionallydistinctflightpathsFurthermore, environmentalfactorssuchaswindcurrentsandtemperature fluctuationsseemtoplayamoresignificantroleindetermininga butterfly'sspecifictrajectorythanpreviouslyassumed,suggesting thatthemigrationisnotmerelyageneticscriptbutanactive, responsiveprocess."
Question: Whichofthefollowingcanbeinferredfromthepassage?
A)Thenewcitizenscienceprojectcompletelyinvalidatedallprior researchonmonarchmigration.
B)TheeasternNorthAmericanmonarchmigrationisprimarilya resultofwindcurrentsandtemperaturefluctuations
C)Thetraditionalunderstandingofmonarchmigrationwasbased oninsufficientdata.
D)Themonarchs'migrationtoMexicoisanewphenomenon resultingfromclimatechange.
E)Monarchbutterfliesareabletoconsciouslyaltertheirflight pathsbasedonweatherconditions
Explanation:
CorrectAnswerC:Thepassagestatesthatthetraditionalbeliefwas "longbelieved"andwasbasedontheideaofa"single,genetically programmedroute."Thenewstudy,whichused"thousandsof individualbutterflies,"revealeda"muchmorecomplexsystem." Thisstronglysuggeststhattheolder,simplertheorywasbasedon lesscomprehensivedatathanthenewstudy.
IncorrectAnswers:
(A)istooextreme.Thepassagesaysthenewdatarevealsa"more complexsystem,"notthatit"completelyinvalidated"allprevious research
(B)istoostrong.Thepassagesaysenvironmentalfactors"seemto playamoresignificantrole,"notthattheyarethe"primary"cause.
(D)isnotsupportedbythetext.Thepassagereferstothe "winteringgroundsinMexico,"implyingthisisalong-standing migration,notanewphenomenon
(E)isaninference,butitgoesbeyondwhatthetextsupports. Whilethemigrationis"anactive,responsiveprocess,"thepassage doesn'tsaythebutterfliesare"consciously"makingdecisions.
QuantitativeReasoningExampleQuestions
QuantitativeComparison
Question4:
QuantityA:Thenumberofdistinctprimefactorsof120.
QuantityB:Thenumberofdistinctprimefactorsof210.
A)QuantityAisgreater.
B)QuantityBisgreater.
C)Thetwoquantitiesareequal
D)Therelationshipcannotbedeterminedfromtheinformation given.
Explanation:
QuantityA:Findtheprimefactorsof120.
120=12×10
120=(2×6)×(2×5)
120=(2×2×3)×(2×5)
Theprimefactorsare2,3,and5.Thereare3distinctprime factors
QuantityB:Findtheprimefactorsof210.
210=21×10
210=(3×7)×(2×5)
Theprimefactorsare2,3,5,and7.Thereare4distinctprime factors.
Comparison:QuantityA(3)islessthanQuantityB(4).
CorrectAnswer:B
Multiple-Choice(Selectoneanswer)
Question5:
Aboxcontains5redballs,3blueballs,and2greenballs.Ifone ballisdrawnatrandomfromthebox,whatistheprobabilitythat itisnotblue?
A)103
B)107
C)21
D)51
E)54
Explanation:
Totalballs:5(red)+3(blue)+2(green)=10balls
Numberofnon-blueballs:5(red)+2(green)=7balls.
Probability:Theprobabilityofaneventisthenumberoffavorable outcomesdividedbythetotalnumberofpossibleoutcomes.
Probability(notblue)=TotalnumberofballsNumberofnonblueballs=107
CorrectAnswer:B
Multiple-Choice(Selectoneormoreanswers)
Question6: Whichofthefollowingnumbersareprimefactorsof165?
A)3
B)5
C)11
D)13
E)15
Explanation:
Tofindtheprimefactorsof165,wemustbreakitdownintoits primecomponents. 165=5×33
165=5×3×11
Theprimefactorsare3,5,and11.
Let'schecktheanswerchoices:
A)3isaprimefactor.
B)5isaprimefactor.
C)11isaprimefactor
D)13isaprimenumber,butit'snotafactorof165
E)15isafactorof165,butitisnotaprimenumber(since 15=3×5).
CorrectAnswers:A,B,andC
NumericEntry
Question7:
Ifacartravelsataconstantspeedof60milesperhour,how manyminuteswillittaketotravel45miles?
Explanation:
Timeinhours:WecanusetheformulaTime=SpeedDistance.
Time=60milesperhour45miles=6045hours=43hours.
Converttominutes:Thereare60minutesinanhour
Timeinminutes=43×60=45minutes.
CorrectAnswer:45
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