Only 5 percent of people can solve this tricky maths brainteaser leaving many baffled

Prove you are a mathematical genius by solving this baffling brainteaser. Think of yourself as the brains of the family? Often get called a modern day ? Well, it's time to test out your numerical skills with this fiendish puzzle that most mere mortals will fail.

Games like this may be a great way to boast about your IQ or get competitive with your siblings, but they've also been shown to have a positive impact on your central nervous system. In turn, this can result in an improved cognitive ability including a better attention span and concentration levels. So, let's get straight to it...

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"If you change the order of the numbers in my cousin's current age, you'll get her age for next year, but doubled," the riddle above reads. "How old is she?"

We can't give any tips or clues for this one without pretty much giving it away, but you're not racing against the clock so there is no need to rush. It might help to grab a pen and paper to jot your thoughts and calculations down, and make sure to read the question carefully. Once you inevitably surrender and admit defeat, scroll down to the bottom of the article for the answer.

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If that riddle was no match for a smarty pants like yourself, fear not, as it time to seriously up the antics. Created by the (GCHQ) you'll need to have the analytical skills of a spy and meticulous attention to detaul in order to solve this baffling . So, pop on your 007 thinking caps and get ready to save the from danger by figuring out which of the following words or phrases is the odd one out:

Catwoman

Deus Ex Machina

Parishioner

Pyromania

Scuba

Again, you're not getting any clues for this one (spies don't get help from villains... duh) and if you really want to prove you're a genius - you'll need to complete the task in just 30 seconds. Reckon you've cracked it?.

ANSWER: The cousin is 25-years-old. This is because if you swap two and five around you'll get 52, and if you double 26 (which she will turn next year if she's 25) you also get 52. Up for some more mental exercises? Check out our full collection of - or learn more about your hidden personality traits with these .

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