A boy looking at a maths puzzle on a chalk board

'Genius' way to solve multiplication sums leaves parents and kids baffled

You have 20/20 vision if you can spot the hidden bat in haunted house

English quiz new skilled migrants in UK must pass is too hard for most Brits

Jobseeker baffled after being given 'unsolvable' brainteaser at interview

The Chase's Darragh Ennis shares flags quiz only geography whizzes can answer

Baffling horse riddle has people confused - can you solve it?

Only those with super vision can spot deer hiding in forest in 10 seconds

You'll need 'crisp vision' to spot the acorn hiding in autumn brainteaser

Baffling clock and table counting riddle catches thousands out - can you solve it?

You have to eyes of a sniper if you can find hidden circles in optical illusion

Only 1% can solve this 'impossible' brainteaser and choose the right cup

Puzzle lovers 'can't figure out' 'toughest' school riddle of all time

Solve this 'rickety bridge' brainteaser in 30 seconds to prove you have a high IQ

Prove you've got a top IQ by solving tricky cube-themed maths puzzle

Find out if you're a 'closed off' person or 'social' in mesmerising illusion

Only those with 20/20 vision can spot the frog hiding in the plant in 20 seconds

Only 2% of people can find the 89 within 7 seconds in an optical illusion of 99s

You're in the top 30 per cent of people if you find all the pretzels in this brainteaser

You have the eyes of a sniper if you can spot the cat hiding in optical illusion

If you can solve 'impossible' brainteaser in 19 seconds you've got a high IQ

You'll need a high IQ to spot four-leaf clover in less than 15 seconds

Find hidden piglet in 'impossible' brainteaser and you're in the sharpest 2%

You'll need 20/20 vision to find fourth person in this optical illusion

Spot hidden deer in garden picture to prove you have the 'world's sharpest eyes'

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Brainteasers are puzzles, problems, or questions that are designed to stimulate cognitive processes such as critical thinking, problem-solving, and lateral thinking. They often require creative and unconventional approaches to arrive at the correct solution. Brainteasers come in various forms, including riddles, logic puzzles, maths problems, and word games.

These puzzles can be a fun way to challenge and entertain the mind, and they are often used in educational settings or as recreational activities. They may vary in difficulty, ranging from simple puzzles that can be solved quickly to more complex ones that may require deeper thought and analysis.

Examples of brainteasers include riddles that involve wordplay, logic puzzles where you need to work out the correct answer using a set of rules, and mathematical problems that require innovative approaches. The goal of a brainteaser is to engage your brain in a unique and stimulating way, encouraging you to think outside the box.