INTERNATIONALKANGAROOMATHEMATICSCONTEST2007
LevelEcolier:Class(34)MaxTime:1Hour15Minutes
Eachsolvedproblemgivesyou3points
Q1.Aminawalksfromthelefttotherightandputsthenumbersinherbasket.Whichofthe
followingnumberscanbeinherbasket?
A)1,2and4B)2,3and5
Q2.Inwhatfiguredoyoufindthebiggestnumberoflittlesquares?
A)B)
Q3.HowmanycommonlettersdothewordsKANGAROOandPROBLEMhave?
A)1B)2
Q4.Whatisthefirstnumbergreaterthan2007suchthatthesumofthedigitsisthesame?
A)2016B)2115
Q5.Thereare5lamppostsononesideofthepathinthepark.Thedistancebetweeneachpairof
neighbouringlamppostsis3metres.Kangaroowasjumpingallthewayfromthefirst
lampposttothelastone.Howmanymetreshashejumped?
A)12B)9
Q6.Thecombinationforopeningasafeisathreedigitnumbermadeupofdifferentdigits.How
manydifferentcombinationscanyoumakeusingonlydigits1,3and5?
A)6B)4
1of4
INTERNATIONALKANGAROOMATHEMATICSCONTEST2007
Q7.Howmuchis2007÷(2+0+0+7)-2×0×0×7=?
A)223B)9
Q8.Whichofthefollowingpiecethatfitstogetherwiththegivenonetoforma
rectangle?
A)B)
Q9.Whichnumberneedstobeputintothedarkcloud,tohaveallthegivencalculationsright?
A)5B)3
Q10.4×4+4+4+4+4+4×4=?
A)48B)44
Q11.Inthegivensquarethenumbers1,2and3mustbewritteninthecells.In
eachrowandineachcolumneach