ReadersDigestAustraliaNewZealand-March2018

136 | March• 2018

TEST YOUR MENTAL PROWESS

Puzzles

BRAIN POWER

CROSSHAIRS(EASY)

None of the white squares

inthisdiagramhavetheir

edgeslinedup.Oneof

thesquaresisadifferent

size from the others.

Can you find it?

ARITHME-PICK(MODERATELY DIFFICULT)

Placeoneofthefourbasicarithmeticoperations(+,–,×,÷)ineachboxto

makeacorrectequation.Symbolsmayberepeated,andyoudon’thave

touseallfour.Alloperationsareperformedfromlefttoright,ignoringthe

mathematical order of operations. The result at each step must be a positive

whole number. What’s the equation?

LUCK OF THE DRAW(EASY)

Therearesixmarblesinabag.Theyare

exactlyalikeexceptforcolour:oneis

red, two are green and three are blue.

Without looking into the bag, what’s the

smallest number of marbles you would

needtodrawouttoguaranteegetting

either two green or two blue ones?

5 7 3 9 4 = 32 (LUCK OF THE DRAW, FAIR AND SQUARE?) MARCEL DANESI; (ARITHME-PICK) FRASER SIMPSON; (CROSSHAIRS) DARREN RIGBY

Challenge yourself by solving these puzzles and mind stretchers,

then check the answers on page 134.

BY MARCEL DANESI