Question12-17
Sixpeople-Julio,Kevin,May,Norma,Olivia,andTamio-participateina
trackmeet.Twoofthementerthemarathon,twoentertherelay,andtwoenter
thesprint.
Eachparticipantentersonlyoneevent.
IfKevinentersthemarathon,thenbothJulioand
Mayentertherelay,andifbothJulioandMayentertherelay,thenKevin
entersthemarathon.
IfNormadoesnotenterthesprint,thenTamioenterstherelay.
IfOliviaenterstherelay,thenJuliodoesnotentertherelay.
OliviaandTamiodonotbothentertherelay.
12.IfKevinentersthemarathon,thenwhichoneofthefollowingcannotbe
true1?
JulioenterstherelayandNormaentersthesprint.
OliviaentersthemarathonandNormaentersthesprint.
T
amioentersthemarathonandOliviaentersthesprint.
TamioenterstherelayandOliviaentersthesprint.
TamioentersthemarathonandMayentersthesprint.
13.IfNormaentersthemarathon,thenwhichoneofthefollowingcannotbe
true?
BothKevinandOliviaenterthesprint.
KevinenterstherelayandOliviaentersthesprint.
KevinentersthemarathonandMayenterstherelay.
JulioentersthemarathonandMayenterstherelay.
JulioentersthemarathonandKevinenterstherelay.
14.IfbothKevinandOliviaentertherelay,thenwhichoneofthefollowing
mustbetrue?
JulionandTamioenterthemarathon.
Mayentersthemarathon.
Mayentersthesprint.
Tamioentersthesprint.
Normaentersthesprint.
15.IfbothJulioandKevinenterthesameevent,thenwhichofthefollowing
canbetrue?
Ⅰ.Julioenterstherelay.
Ⅱ.Mayentersthemarathon.
Ⅲ.Oliviaenterstherelay.
Ⅰonly
Ⅱonly
Ⅲonly
ⅠandⅡonly
Ⅰ,Ⅱ,andⅢ
16.IfNormaandOliviaeachenterdifferentevents,thenwhichoneofthe
followingcannotbetrue?
KevinandOliviaenterthemarathon.
JulioandNormaentertherelay.
MayandOliviaentertherelay.
NormaandTamioentertherelay.
OliviaentersthesprintandTamioenterstherelay.
17.IfbothJulioandKevinentertherelay,thenwhichoneofthefollowing
mustbefalse?
MayandNormaenterthemarathon.
MayandOliviaenterthemarathon.
NormaandTamioenterthesprint.
MayandNormaenterthesprint.
MayentersthesprintandTamioentersmarathon.
Questions18-23
Sevenlights-J,K,L,M,N,O,andP-haveonlytwopossiblesettings:onor
off2.Theyarearrangedonaparticularelectriccircuitasfollows.
IfKison,Lisoff;ifKisoff,Lison.
JandNcannotbothbeon.
IfMisoff,eitherJorNison;ifeitherJorNison,Misoff.
IfPison,Lison.
IfOisoff,Nisoff;ifOison,Nison.
Assumethatthecircuitisworkingasdesigned.
18.AnyofthefollowingcanbetrueEXCEPT:
JandOarebothoff.
KandNarebothoff.
KandParebothon.
LandMareboth on.
NandOarebothon.
19.IfLandOareon,whichoneofthefollowingmustbetrue?
JisandKisoff.
JisoffandNison.
KisoffandMison.
KisoffandPison.
MisoffandPison.
20.Whichoneofthefollowingcanbetrue?
OnlyJ,K,andMareoff.
OnlyJ,L,andMareoff.
OnlyK,M,andOareoff.
OnlyL,N,andOareoff.
OnlyM,N,andOareoff.
21.IfPison,whatisthemaximumnumberoflightsthatcanbeoff?
2
3
4
5
6
22.Whatistheminimumnumberoflightsthatmustbeon?
0
1
2
3
4
23.IfJison,whichoneofthefollowingcouldbeacompleteandaccurate
listoftheremaininglightsthatarealsoon?
K,L,andM
L,N,andP
L,O,andP
M,N,andO
LandP
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