Kangaroo2005—EcolierMaxTime:60min
Ecolier
Eachsolvedproblemgivesyou3points.
1.Abutterflysatdownonacorrectlysolvedexercise.What
numberisthebutterflycovering?
2005?205=1300+
(A)500(B)910
2.Sarahastwodolls,threeapples,achocolate,twooranges,fivepeachesandonebike.
IsittruethatSarahas10fruits?
(A)Yes(B)No
3.Fatimaboughtcookies,eachofthemcostsRs3.ShegaveRs10andobtained
Rs1ofthechange.HowmanycookiesdidFatimabuy?
(A)2(B)3
4.Ahmadisturningthetrianglearound
pointPasshowninthepicture.Inwhichposition
thetrianglewillappearafter7moves?
(A)(B)
5.19boysand12girlsareontheplayground.Isittruethatifonegirlgoeshome,thenthe
remainingchildrencanbedividedintosixequalteams?
(A)Yes(B)No
6.Therewere9piecesofpaper.Someofthemgotcutintothreeparts.Altogether,
therebecame15piecesofpaper.Howmanypieceswerecutintoparts?
(A)3(B)2
7.Asquarepieceofpaperhasbeencutinthreepieces.
Twoofthemareinthepictureontheright.Whatisthethirdone?
(A)(B)
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Kangaroo2005—EcolierMaxTime:60min
8.Whatisthesmallestpossiblenumberofchildreninafamilyifeachchildhasatleastone
brotherandonesister?
(A)2(B)4
9.Ajacketofacowboyhasfivepockets.Ineachpockethehasputatleast1,butatmost5,shells.
Itturnedoutthatthenumbersofshellsinthepocketsaredistinct.Isittruethatthecowboyhad15
shells?
(A)Yes(B)No
10.Theelevator(lift)cannotcarrymorethan150kg.Fourfriend’sweight:60kg,80kg