SAT2试题.docx
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SAT2试题.docx
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SAT2试题
SAT考试数学练习题第七套SATproblemsolvingpracticetest7
1.Thenumber0.127ishowmuchgreaterthan1/8?
A.½
B.2/10
C.1/50
D.1/500
E.2/500
2.Whichofthefollowingcouldnotbethelengthsofthesidesofarightangledtriangle?
A.3,4,5
B.5,12,13
C.8,15,17
D.12,15,18
E.9,12,15
3.Twoequalcirclesarecutoutofarectangleofcardofdimensions16by8.Thecircleshavethemaximumdiameterpossible.Whatistheapproximateareaofthepaperremainingafterthecircleshavebeencutout?
A.104
B.78
C.54
D.27
E.13
4.
A.a²+b²+1
B.a+b
C.a-b
D.ab
E.itcannotbesimplifiedfurther
5.x=y-(50/y),wherexandyareboth>0
Ifthevalueofyisdoubledintheequationabove,thevalueofxwill
A.decrease
B.staythesame
C.increasefourfold
D.double
E.increasetomorethandouble
6.Whichofthefollowingcouldbeasolutionoftheequation│x│=│4x-3│
A.-1
B.-0.6
C.0
D.0.6
E.1.5
7.Thenumberofdegreesthatthehourhandofaclockmovesthroughbetweennoonand2.30intheafternoonofthesamedayis
A.720
B.180
C.75
D.65
E.60
8.Jefftakes20minutestojogaroundtheracecourseonetime,and25minutestojogaroundasecondtime.Whatishisaveragespeedinmilesperhourforthewholejogifthecourseis3mileslong?
A.6
B.8
C.10
D.12
E.14
9.AandBareequidistantfromthelinel.HowmanycirclescanbedrawnwiththeircentresonlinelandthatpassthroughbothAandB?
A.1
B.2
C.3
D.4
E.>10
10.Awheelhasadiameterofxinchesandasecondwheelhasadiameterofyinches.Thefirstwheelcoversadistanceofdfeetin100revolutions.Howmanyrevolutionsdoesthesecondwheelmakeincoveringdfeet?
A.100xy
B.100y-x
C.100x-y
D.100y/x
E.100x/y
SAT考试数学练习题第八套SATproblemsolvingpracticetest8
1.3x+y=19,andx+3y=1.
Findthevalueof2x+2y
A.20
B.18
C.11
D.10
E.5
2.Thepriceofacycleisreducedby25percent.Thenewpriceisreducedbyafurther20percent.Thetworeductionstogetherareequaltoasinglereductionof
A.45%
B.40%
C.35%
D.32.5%
E.30%
3.xandyareintegers
x+y<11,andx>6
Whatisthesmallestpossiblevalueofx-y?
A.1
B.2
C.4
D.-2
E.-4
4.Ifx5y4z2<0,whichofthefollowingmustbetrue?
Ixy<0
IIyz<0
IIIxz<0
A.I
B.II
C.III
D.IandII
E.None
5.BCDisalinesegmentandAngleBAC=¼AngleACB;AngleACD=?
A.140
B.100
C.120
D.60
E.itcannotbedeterminedfromtheinformationgiven
6.Whichofthefollowingintegersisinthesolutionsetof│1–3x│<5 ?
I-1
II1
III2
A.Ionly
B.IIonly
C.IIIonly
D.IandIIonly
E.I,IIandIII
7.Inacertainvillage,mlitresofwaterarerequiredperhouseholdpermonth.Atthisrate,iftherearenhouseholdsinthevillage,howlong(inmonths)willplitresofwaterlast?
A.p/mn
B.mn/p
C.mp/n
D.np/m
E.npm
8.Inthefigurebelow,whatistheslopeoflinel?
A.-3
B.-1/3
C.0
D.1/3
E.3
9.Whatdigitappearsintheunitsplaceinthenumberobtainedwhen2320ismultipliedout?
A.0
B.2
C.4
D.6
E.8
10.RadiusofcirclecenterOis3timestheradiusofcirclecenterC.
AngleACB=AnglePOQ
IftheshadedareaofcircleCis2thenwhatistheareaoftheshadedpartofcircleO?
A.6
B.12
C.18
D.36
E.3/2
SAT考试数学练习题第九套SATproblemsolvingpracticetest9
1.(3x104)+(2x10²)+(4x10)=
A.302400
B.32400
C.30240
D.3240
E.324
2.Andysolvesproblems74to125inclusiveinaMathexercise.Howmanyproblemsdoeshesolve?
A.53
B.52
C.51
D.50
E.49
3.Ifxandyareintegers,and3x+2y=13,whichofthefollowingcouldbethevalueofy?
A.0
B.1
C.2
D.3
E.4
4.IntriangleABC,AD=DB,DEisparalleltoBC,andtheareaoftriangleABCis40.WhatistheareaoftriangleADE?
A.10
B.15
C.20
D.30
E.itcannotbedeterminedfromtheinformationgiven
5.Ifn>0,whichofthefollowingmustbetrue?
In²>1
IIn-n²<0
III2n-1>0
A.Ionly
B.IIonly
C.IIIonly
D.IandIIonly
E.none
6.Iftheslopeofalineis½andthey-interceptis3,whatisthex-interceptofthesameline?
A.6
B.3/2
C.0
D.-2/3
E.-6
7.6peoplemeetforabusinesslunch.Eachpersonshakeshandsoncewitheachotherpersonpresent.Howmanyhandshakestakeplace?
A.30
B.21
C.18
D.15
E.10
8.Ifx²-y²=55,andx-y=11,theny=
A.8
B.5
C.3
D.-8
E.-3
9.Inasportsclubwith30members,17playbadmintonand19playtennisand2donotplayeither.Howmanymembersplaybothbadmintonandtennis?
A.7
B.8
C.9
D.10
E.11
10.RectangleABCDhasaperimeterof26.ThehalfcirclewithdiameterADhasanareaof8π.Whatistheperimeterofthepartofthefigurethatisnotshaded?
A.26+4π
B.18+8π
C.18+4π
D.14+4π
E.14+2π
SAT考试数学练习题第十套SATproblemsolvingpracticetest10
1.Courierchargesforpackagestoacertaindestinationare65centsforthefirst250gramsand10centsforeachadditional100gramsorpartthereof.Whatcouldbetheweightingramsofapackageforwhichthechargeis$1.55?
A.1155
B.1145
C.1040
D.950
E.259
2.ABandDEareparallel.AngleBAC=30,angleCDE=50.WhatisthemeasureofangleACD?
A.100
B.90
C.80
D.70
E.cannotbedeterminedfromtheinformation
3.Ifx/yisaninteger,whichofthefollowingstatementsmustbetrue?
A.bothxandyareintegers
B.xisaninteger
C.eitherxoryisnegative
D.y/xisaninteger
E.x=nywherenisaninteger
4.Whatistheaverageoffourtenthsandfivethousandths?
A.25002
B.2502
C.0.225
D.0.2025
E.0.02025
5.Whatisthesimplifiedresultoffollowingthestepsaboveinorder?
(1)add5yto2x
(2)multiplythesumby3
(3)subtractx+yfromtheproduct
A.5x+14y
B.5x+16y
C.5x+5y
D.6x+4y
E.3x+12y
6.Iftheequationofalinepinthecoordinateplaneisy=3x+2,whatistheequationoflineqwhichisareflectionoflinepinthex-axis?
A.y=-3x+2
B.y=-3x-2
C.y=3x-2
D.y=-1/3x-5
E.y=-1/3x+5
7.Ify¤x=y2xforallpositiveintegers,then(3¤4)¤2=
A.38
B.312
C.316
D.324
E.332
8.Thefirstterminasequenceis1andthesecondtermis5.Fromthethirdtermoneachtermistheaverage(arithmeticmean)ofallprecedingterms.Whatisthe25thterminthesequence?
A.2.5
B.3
C.5
D.25
E.50
9.Thesolidbrickshownismadeofsmallbricksofside1.Whenthelargebrickisdisassembledintoitscomponentsmallbricks,thetotalsurfaceareaofallthesmallbricksishowmuchgreaterthanthesurfaceareaofthelargebrick?
A.32
B.40
C.60
D.72
E.80
10.(3x+2)(2x-5)=ax²+kx+n.
Whatisthevalueofa-n+k?
A.5
B.8
C.9
D.10
E.11
SAT考试数学练习题第十一套SATproblemsolvingpracticetest11
1.Astraightfenceistobeconstructedfromposts6incheswideandseparatedbylengthsofchain5feetlong.Ifacertainfencebeginsandendswithapost,whichofthefollowingcouldnotbethelengthofthefenceinfeet?
(12inches=1foot)
A.17
B.28
C.35
D.39
E.50
2.Acircularlogoisenlargedtofitthelidofajar.Thenewdiameteris50percentlargerthantheoriginal.Bywhatpercentagehastheareaofthelogoincreased?
A.50
B.80
C.100
D.125
E.250
3.♠ndenotesthenumberobtainedwhennisroundedtothenearesttenth.Forexample♠4.31=4.3
♠0.089-♠1.135=
A.1.05
B.1.04
C.-1.05
D.-1.0
E.-0.1
4.Halfthepeopleonabusgetoffateachstopafterthefirst,andnoonegetsonafterthefirststop.Ifonlyonepersongetsoffatstopnumber7,howmanypeoplegotonatthefirststop?
A.128
B.64
C.32
D.16
E.8
5.Theslopeofthelinepassingthroughthepoint(5,5)is5/6.Allofthefollowingpointscouldbeonthelineexcept
A.(2.5,2)
B.(11,10)
C.(8,7.5)
D.(-1,0)
E.(-7,-5)
6.Forawallofagivenmaterialandofafixedsurfacearea,therateofheatlossbyconductionthroughthewallisinverselyproportionaltothethickness(T)ofthewall,anddirectlyproportionaltothetemperaturedifference(d)acrossthewall.Therateofheatlosscouldbegivenbywhichofthefollowingexpressions?
A.2d/T
B.2T/d
C.2d+½T
D.2(d+½T)
E.T/d
7.Theaverage(mean)numberofchildrenperfamilyinthevillageisapproximately
A.2.4
B.2.0
C.1.8
D.1.5
E.1.0
8.Refertothetableprovidedinthepreviousquestion.
Thedifferencebetweenthemedianandthemodeofthenumberofchildrenperfamilyis
A.2.5
B.2.0
C.1.5
D.1.0
E.0
9.Ifxisaninteger,whichofthefollowingcouldbex³?
I1.25x1017
II12.5x10-12
III0.125x10-12
A.Ionly
B.IIonly
C.IandIIonly
D.IandIIIonly
E.IIandIIIonly
10.Atwhatpointdoesthegraphof5x+4y=12intersectthey-axis?
A.(0,3)
B.(0,-3)
C.(3,0)
D.(5,0)
E.(0,-5)
SAT考试数学练习题第十二套SATproblemsolvingpracticetest12
1.6pintsofa20percentsolutionofalcoholinwateraremixedwith4pintsofa10percentalcoholinwatersolution.Thepercentagealcoholinthenewsolutionis
A.16
B.15
C.14
D.13
E.12
2.ASBisaquartercircle.PQRSisarectanglewithsidesPQ=8andPS=6.WhatisthelengthofthearcAQB?
A.5π
B.10π
C.25
D.14
E.28
3.Ifx¤y=(x+y)²-(x-y)²
Then√5¤√5=
A.0
B.5
C.10
D.15
E.20
4.WhichofthefollowingdescribestherelationshipbetweenAandBasshowninthepairsofnumbersinthetablea
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