gmat考试gwd数学复习资料

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1、MathSection------------------------------------------------------------------------------------------------------------Q1:CompanyCproducestoytrucksatacostof$5.00eachforthefirst100trucksand$3.50foreachadditionaltruck.If500toytruckswereproducedbyCompanyCandsoldfo

2、r$10.00each,whatwasCompanyC’sgrossprofit?$2,250$2,500$3,100$3,250$3,500Answer:------------------------------------------------------------------------------------------------------------Q2:Thesumofthefirstkpositiveintegersisequalto.Whatisthesumoftheintegersfrom

3、ntom,inclusive,where0

4、icient,butstatement(2)aloneisnotsufficient.B.Statement(2)ALONEissufficient,butstatement(1)aloneisnotsufficient.C.BOTHstatementsTOGETHERaresufficient,butNEITHERstatementALONEissufficient.D.EACHstatementALONEissufficient.E.Statements(1)and(2)TOGETHERareNOTsuffici

5、ent.Answer:------------------------------------------------------------------------------------------------------------Q4:Atotalof20amountsareenteredonaspreadsheetthathas5rowsand4columns;eachofthe20positionsinthespreadsheetcontainsoneamount.Theaverage(arithmeti

6、cmean)oftheamountsinrowiisRi(1≤i≤5).TheaverageoftheamountsincolumnjisCj(1≤j≤4).Whatistheaverageofall20amountsonthespreadsheet?(1)R1+R2+R3+R4+R5=550(2)C1+C2+C3+C4=440A.Statement(1)ALONEissufficient,butstatement(2)aloneisnotsufficient.B.Statement(2)ALONEissuffici

7、ent,butstatement(1)aloneisnotsufficient.C.BOTHstatementsTOGETHERaresufficient,butNEITHERstatementALONEissufficient.D.EACHstatementALONEissufficient.E.Statements(1)and(2)TOGETHERareNOTsufficient.Answer:------------------------------------------------------------

8、------------------------------------------------Q5:ThepointsR,T,andUlieonacirclethathasradius4.IfthelengthofarcRTUis,whatisthelengthoflinesegmentRU?346Answer:---------------