All news on the topic: Brainteasers

If you've ever wondered whether you have eagle eyes, then this brainteaser is the puzzle you need to try - you just need to spot the odd number out in just four seconds

You'll need the 'IQ of Albert Einstein' if you want to be able to solve this tricky maths equation in under 15 seconds - do you think you have what it takes to answer it?

Optical illusions force your mind think think outside the box to see what's hiding in plain sight. In this challenge, you need to find the sheep hiding among the clouds

Tease your brain with our puzzle of the day. All you need to do is find the number 98 which is hidden in a sea of 89s, the catch? you need to find it in just eight seconds - can you find it?

You have good observation skills and a keen eye for detail if you are able to identify the number in this seemingly easy, yet hard brain teaser, featuring a blue circle and a number

This optical illusion will leave you seriously baffled, because there's a lumberjack hiding in plain sight - and you've got just six seconds to try and locate him

Research has shown that 40% of dementia cases are preventable - so it's important to build up your 'cognitive reserve' by completing puzzles and brain teasers such as this one created by the Alzheimer's Society

A new optical illusion has left people scratching their heads as they struggle to find the little boy camouflaged in the autumnal scene - can you spot him within the time limit?

A new brain teaser has left people scratching their heads as they try to find the telephone concealed in the clever Deal or No Deal themed scene - can you find it?

A new quiz claims to be able to accurately tell whether your relationship is healthy or not, by scoring you and your partner in key areas including boundaries and communication

Tease your brain with our puzzle of the day where you need to identify where two rings are in a wedding cake filled with different objects and decorations, which proves which players have a 'sharp eye'

A contestant on Who Wants to be a Millionaire? was left stumped by this question that would have seen him walk away with the jackpot if he'd answered it - can you solve it?

This head-scratching puzzle that tests participants' patience and lateral thinking, is so hard that it was not included in an episode of BBC quiz show Only Connect. Can you solve it?

A new optical illusion has left people baffled as they try to find all nine hidden faces within a picture in just 11 seconds - and you have 'sharp focus' if you can find them all

Only those with a high IQ will be able to find the five hidden objects in this seriously tricky brain teaser, and two in ten people won't be able to find them at all

A picture of some cracking and eroding bricks in a wall is hiding another object that is cleverly disguised and if you can see it in five seconds, you’re officially a brain box - apparently

Everyone in a workplace has different personalities and understanding what you care about the most - employee benefits, salary, feedback, social issues - could help you get a suitable job role or aid your business

If you're looking for a way to boost your brain health and start learning how to think outside the box more often, then try out these simple games that only require a pack of cards

In this brainteaser, there are five blueberries, which are tasty superfoods for dogs, scattered around the image - but can you find all of them before you feel the need to give up?

It's time to show off your intelligence and put your memory skills to the test; a new puzzle is leaving Brits across the nation stumped. However, there is an easy trick to solve it if you think outside of the box...

Put your niche general knowledge skills to the test with these 18 tricky questions from the popular quiz show Pointless and see if you're brainier than the pros

In this seemingly easy yet hard brain teasers, players must identify where the second hidden donkey is in the brainteaser picture puzzle - if you find it within six seconds you have excellent observation skills

Have you ever wondered how smart your cat really is? This fun 'intelligence test' claims to be able to tell you whether you've got a super genius sitting on your sofa

Only those with the clearest vision will be able to find the mad scientist hidden in this seriously tricky brain teaser, and one in five people won't be able to find him at all

Motorists have been challenged to put their observation skills to the test with this tricky brain teaser, which asks you to find the four hazards on the road - in just 15 seconds