GMAT 练习题01

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1、MathSection------------------------------------------------------------------------------------------------------------Q1:Afamily-sizeboxofcerealcontainsmorecerealandcostsmorethantheregular-sizeboxofcereal.Whatisthecostperounceofthefamily-sizeboxofcereal?(1)Thefamily-sizeboxofcerealcontains1

2、0ouncesmorethantheregular-sizeboxofcereal.(2)Thefamily-sizeboxofcerealcosts$5.40.A.Statement(1)ALONEissufficient,butstatement(2)aloneisnotsufficient.B.Statement(2)ALONEissufficient,butstatement(1)aloneisnotsufficient.C.BOTHstatementsTOGETHERaresufficient,butNEITHERstatementALONEissufficient.

3、D.EACHstatementALONEissufficient.E.Statements(1)and(2)TOGETHERareNOTsufficient.Answer:E------------------------------------------------------------------------------------------------------------Q2:Acertainrollercoasterhas3cars,andapassengerisequallylikelytorideinany1ofthe3carseachtimethatpa

4、ssengerridestherollercoaster.Ifacertainpassengeristoridetherollercoaster3times,whatistheprobabilitythatthepassengerwillrideineachofthe3cars?A.0B.1/9C.2/9D.1/3E.1Answer:C------------------------------------------------------------------------------------------------------------Q3:Ifxandyarepo

5、sitive,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,butNEITHERstatementALONEissufficient.D.EACHstatementALONEissufficient.E.Statements(1)an

6、d(2)TOGETHERareNOTsufficient.Answer:e------------------------------------------------------------------------------------------------------------Q4:Ifnistheproductoftheintegersfrom1to20inclusive,whatisthegreatestintegerkforwhich2kisafactorofn?A.10B.12C.15D.1827A.20Answer:D-------------------

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