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  • noun

Synonyms for brain-teaser

a difficult problem

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References in periodicals archive ?
The questions are not just equations, but brain-teasers, mental slight-of-hands and real-life scenarios for different age levels.
IMPRESSIVE J Horn features incredibly detailed environments complete with strange creatures BAMBOOZLE J The Curse is a real brain-teaser that will have you in a muddle in no time at all
The annual brain-teaser, which the school has run for four years, is organised by head of maths Fiona Brown and fits in with government criteria to do with promoting the subject.
WELCOME to the brilliant brain-teaser that could win you pounds 50 - and it couldn't be simpler
Slotting in nicely between classics like Tetris and Bust-a-move, it's an oddly compelling 3D brain-teaser.
The multi-format brain-teaser Who Wants To Be A Millionaire topped the charts for weeks in the autumn, with WWF - for PlayStation and Dreamcast - also dominating the year's play.
MARTIN PIPE has set punters a brain-teaser by entering Cyfor Malta in two races at Cheltenham next Saturday, writes Bob Toseland.
In the first part of the event, they learnt about code writing, had to generate animated figures and solve brain-teasers.
His brain-teasers tonight are on the theme of crime.
Some of the mind games include: name certain defined words beginning with the letter A, identify six sounds recorded in a gym, mentally fold/cut/unfold a piece of paper, and many more brain-teasers grounded in language, geography, math, and logic.
Insurmountable Simplicities: Thirty-Nine Philosophical Conundrums presents a veritable smorgasbord of philosophical brain-teasers to be pondered at length by novice and veteran thinkers alike.
Don't you just love those hardy annual brain-teasers that crop up over a pint down at the local?
Oknaian, the Daily News' entry, correctly spelled ``catenary'' (the curve taken up by a chain or flexible cable hanging freely) in the first round before taking on 25 brain-teasers in a second-round written test.
Every issue of Ultimate Real Robots features robot stars from the world of cinema, television and science fiction; updates on all the latest robot news; projects for readers to get involved with; and brain-teasers.
Crosswords fan Brian Nuggert, of Sydney, has finally completed one of the brain-teasers - after 40 YEARS.