You'll need 20/20 vision to spot hidden dogs among sea of cats

Put your visual skills to the ultimate test with this baffling brainteaser that's bound to leave you stumped. Solving challenging puzzles and riddles may feel like a childish pastime (one that spices up your mundane morning commute) but research has actually found they can positively impact your central nervous system.

While this won't suddenly transform you into a modern-day genius, it could help with your concentration levels and attention span. Think of it as a mini workout for your mind!

Created by Kitty Bingo in honour of International Cat Day (August 8), this particular brainteaser requires laser-sharp vision and meticulous attention to detail. It comes after the viral optical illusion that challenges Brits to find the goat's owner hiding in plain sight.

READ MORE: Only 25% can find missing diamond ring in less than 30 seconds

The above image shows a sea of cats in all their different furry forms. However, amongst the dozens of kittens lies five dogs hiding in plain sight - and you need to find them all to prove you have 20/20 vision.

We're not giving away any clues for this one, but zooming in on the picture may help you find the pooches quicker. If you're really wanting to test yourself, try completing the brainteaser in just 20 seconds or less.

Feel like giving up, or think you've finally found all five dogs? Scroll down to the bottom of the article to reveal the answer.

Want to avoid the doom and gloom? Get the latest positive news sent straight to your inbox with our Bright Stuff Newsletter

If that tricky brainteaser was no match for an eagle-eyed individual like yourself, don't worry. Now, it's time to put your IQ to the test with this mind-boggling riddle that can only be solved by a true genius. Fail, and you can kiss goodbye to that Mensa membership you've been daydreaming of. Ready? Let's go...

"Mrs. Watt has 5 children. The oldest four children's names are Lala, Lele, Lili, and Lolo," the riddle reads. "What is the name of the youngest child - why do people laugh at her name?"

Most people jump to the conclusion that the child is named Lulu. This is because the first four children all have the same name using different vowels, and 'U' is the last one remaining. However, this isn't the correct answer. Did you really think it was going to be that easy?

Admitting defeat? Or, reckon you've finally cracked it? Click here to reveal the answer- but no cheating!

Up for yet another mental workout? Check out our full collection of tricky brainteasers, baffling riddles, and mind-boggling puzzles here - or, learn more about your hidden personality traits with these fascinatingoptical illusions.

Do you have a story to share? Email us at yourmirror@mirror.co.uk for a chance to be featured

READ MORE: 'I accidentally named baby after dog food brand and I don't know what to do'