gmat考试gwd数学复习资料1

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1、MathSection------------------------------------------------------------------------------------------------------------Q1:Afamily-sizeboxofcerealcontainsmorecerealandcostsmorethantheregular-sizeboxofcereal.Whatisthecostperounceofthefamily-sizeboxofcereal?(1)Thefamily-sizebox

2、ofcerealcontains10ouncesmorethantheregular-sizeboxofcereal.(2)Thefamily-sizeboxofcerealcosts$5.40.A.Statement(1)ALONEissufficient,butstatement(2)aloneisnotsufficient.B.Statement(2)ALONEissufficient,butstatement(1)aloneisnotsufficient.C.BOTHstatementsTOGETHERaresufficient,but

3、NEITHERstatementALONEissufficient.D.EACHstatementALONEissufficient.E.Statements(1)and(2)TOGETHERareNOTsufficient.Answer:------------------------------------------------------------------------------------------------------------Q2:Acertainrollercoasterhas3cars,andapassengeri

4、sequallylikelytorideinany1ofthe3carseachtimethatpassengerridestherollercoaster.Ifacertainpassengeristoridetherollercoaster3times,whatistheprobabilitythatthepassengerwillrideineachofthe3cars?01/92/91/31Answer:-------------------------------------------------------------------

5、-----------------------------------------Q3:Ifxandyarepositive,is4x>3y?(1)x>y-x(2)x/y<1A.Statement(1)ALONEissufficient,butstatement(2)aloneisnotsufficient.B.Statement(2)ALONEissufficient,butstatement(1)aloneisnotsufficient.C.BOTHstatementsTOGETHERaresufficient,butNEITHERstat

6、ementALONEissufficient.D.EACHstatementALONEissufficient.E.Statements(1)and(2)TOGETHERareNOTsufficient.Answer:------------------------------------------------------------------------------------------------------------Q4:Ifnistheproductoftheintegersfrom1to20inclusive,whatisth

7、egreatestintegerkforwhich2kisafactorofn?1012151820Answer:------------------------------------------------------------------------------------------------------------Q5:Isx>k?(1)2x•2k=4(2)9x•3k=81A.Statement(1)ALONEissufficient,butstatement(2)aloneisnotsufficient.B.Statement(

8、2)ALONEissufficient,butstatement(1)aloneisnotsufficient.C.BOTHstatementsTOG