12 of the TOUGHEST brain teasers and riddles we bet you won't be able to work out

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Playbuzz pool brainteaser

If you love brain teasers and riddles then you'll think this round up is heaven!

From official Mensa questions to tricky colour and number quizzes, we've pulled together the very toughest examples from across the internet so you can test yourself. And don't worry, if you can't work one out we've very handily popped all the answers at the bottom of this article. We're good like that.

Have a go, and let us know how many you got right on Facebook...


 1. The one for clever clogs


Image: Quora
You'll need props for this one! Can you move tooth picks from these four squares to the three boxes - in just three moves?

2. The one for film buffs

Image: Playbuzz

Are you good at naming that film? Can you spot all 50 films hidden in this brain teaser?


 3. The one for the eagled eyed

Image: Playbuzz
There are six hidden words in this water park scene - we defy you to find them all!

4. The one for child geniuses

Image: Mensa
If you're good with words then you'll love this one.

5. The one (supposedly) for primary school children tricky maths problem was posted to Twitter by a parent who couldn't believe this was given as homework to her Year 2 child. One of her followers worked it out for her, but can you manage it without a hint?

6. The one for logical thinkers

Image: Prep lounge
This isn't as straightforward as it looks, so you've got to work out the pattern. Handily, someone has done the hard work for us. If you're ready to reveal the answer, scroll down to the bottom.

7. The one for visual learners

Image: Puzzlers World
If you're good at working things out in your head, then this one's for you. Just pay attention to the colours and you'll get it.

8. The one for lateral thinkers

Watch the video to the end to work out this one. It's not easy, and we're still confused by all the long maths chat but we're just taking their word for it.

9. The one for ponderers

Ah, a classic riddle at last. This one has been doing the rounds for years but if you haven't heard it before then it's a tricky one to crack.

10. The one for those encouraged by the sight of food!

Lots of people rationally work out the maths in this one and come up with their answer, but there's a little more to it than meets the eye. It's one of those ones that has been doing the rounds on Facebook, but if you're still stumped then the answer is at the bottom.

11. The one for rational people

Image: Wait But Why
You're given three jelly beans to choose between that you MUST eat, but are told two are poisonous. You pick the green one. But before you can eat somebody takes away the blue one, telling you they know that one is poisonous. You decide to keep your green one. Are you wrong or right? This one takes a bit of explaining but it's got a basic theme of percentages in its answer.

12. The one for people who love details

Image: Playbuzz
We bet you can get this one if you look long enough, but if you're stumped then look below...


Answer for question 1: Did you spot them? There are six words in the picture - 'slide' and 'water' in the palm trees, 'float' on the rubber ring, 'pool' and 'swim' in the water, and 'wet' on the yellow swimming costume.

Answer for question 2: Green, greed, breed, bread and bead.

Answer for question 3: One Twitter user said, 'let the number = x x - 19 + 17 = 63.' However, the riddle-solver also said, 'but isn't that algebra? Tricky for a Year 2' (or a grown up!)

Others disagreed with this working saying 63 people minus the 17 who got on the train is 46.

Then, take those 46 people and ADD the 19 who got off at the first stop. The answer equals 65.

Sadly the answer sheet was left at home so Twitter is still left in the dark as to the right number! But can you work it out?

Answer for question 4: The pattern in this picture is actually split into every other number. One series is 0, 1, 2, 3, 4, 5 so the numbers are going up by one.

The second series is 0, 3, 6, 9, 12, so the numbers are going up in threes. This means the next number will be 15.

Answer for question 5: The answer is C - its colours match up to the triangle in the main picture.

Answer for question 6: See the video

Answer for question 7: Nothing.

Answer for question 8: The first line has three apples and = 30. You can assume each apple is worth 10.

The second line has one apple and two bunches of bananas and = 18. Because you know apples are worth ten then you assume each banana must be worth 4.

On the last line there are a bunch of bananas minus a coconut which = two. Because you know a bunch of bananas equals four a coconut must be two, right?

So your answer is probably 16 for the last line. Did you get that? Well, sadly that's wrong.

The actual answer is 14. Because you see, the maths sums are actually equal to the portion size of each piece of fruit. Get it? If two batches of four bananas are worth eight, it means each single banana is equal to one.
And if a coconut is worth two, half a coconut must be worth one.
This means, half a coconut (one) + apple (10) + three bananas (three) is equal to 14.

Answer for question 9: Wait but why explain how it works: 'When you initially picked the green jelly bean, there was a 1/3 chance that it was the safe one to eat, and a 2/3 chance that it was poisonous and the safe one was still on the stump. When the man removed a poisonous blue jelly bean from the stump, it told you no new info about the green jelly bean in your hand - that still had a 1/3 chance of being safe. But removing the blue jelly bean told you a lot about the red jelly bean - it told you that if the safe jelly bean had been on the stump, the red one is safe.'

Continued below...

Answer for question 10: There are two 'the' words in the sentence.

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