MATH
KANGAROO
CHINAMATHKANGARoo2024(CHINA)-LEVELF?:PiiJmf.!IASEEDE?
1
5.Kaitohasmanipulatedadie.Theprobabilitiesofrollinga2,3,4or5arestill6each,butthe
probabilityofrollinga6istwicetheprobabilityofrollinga1.Whatistheprobabilityofrollinga6?
Kaito2,3,456
?1?-tt?-=f,19!.f!tJ.1.?-,q=r1?r1-#.i:?-1A-11￥Jffi$?€;?:;Jgt,1.E!?#.i:fxlJJ.1.1￥]
ffi$?,?-1iliA-rt-J??:-??r.t-Jf}ijfjfi.ifiAJ,?-6lJU::.1￥Jffi$?$d?
1172
(A)-(B)-(C)-(D)-(E)?
4636918
6.Whichoftheexpressionsbelowhasthesamevalueas1615+1615+1615+1615?
iffiAJrJ°Ll19J?1-*?:i:t￡J1615+1615+1615+16151￥Jffit§??
.(A)1619431)460(D)1560122
(B)(C(E)4
7.Beaverwishestocolorthesquaresandtrianglesofthefollowingfiguresothatnotwoneighbouring
figures,eventhosesharingasinglevertex,arethesamecolor.
=
?rffl75JrOOq=ri￥J??%?ffi%-1?,?fflff?f}ij1-ffi?OO%???.???m-1-ffi#.i:1￥J
p;);j1-00%ill???
Whatistheleastnumberofcolorsneeded?
iwlBJBeaver?drm?JU?Wi??
(A)3(B)4