袋鼠Alevel组竞赛答案(2023-2019).pdfVIP

Pre-EcolierFinalized

Pre-Ecolier

3points

1(Myanmar).Howmanycirclesarethereinthefigure?

(A)5

(B)6

(C)7

(D)8

t(E)9

s

e

tSolution:Thereare3outercirclesand5innercircles,sointotal8circles.

n

o2(Myanmar).Thepictureshows5cubesviewedfromthefront.

cWhatistheviewfromabove?

r

o(A)(B)(C)(D)(E)

f

eSolution:Thecubesonthetopareleftredandblueright.Themiddledoesn’thaveacubeonthe

stop,sothecolouryouseeisyellow.Therefore,fromlefttoright,weseered,yellow,blue.

u

t3(Croatia).Eachbowlcontainsfournumberedballs,asshown.Inwhichbowlisthesumofallthe

onumberslargest?

n

o

d8746799774

-4979474495

d(A)(B)(C)(D)(E)

e

dSolution:Noticethatineachbowlthereisaballwithnumber9,7and4.Sothesumdependsonly

uonthefourthnumberandisthelargestinA.

l

c

n4(China).MrBeaverrearrangesthepiecestomakeakangaroofigure.

i

s

n

o

i

t

u

l

o

S

Whichpieceismissing?

(A)(B)(C)(D)(E)

Solution:Thekangarooismadeof5trianglesand1square.SoMrBeaverdidnotusethepiece

withnumber3.

1

Pre-EcolierFinalized

5(Slovakia).Myboathasmorethan1circle.Italsohas2moretrianglesthansquares.Which