You have 20/20 vision & brain of a mathematician if you can spot ‘imposter’ number hiding in sea of 55s in under 15 secs

TEST your vision to the limits with this perplexing brainteaser, that will have you staring at your screen trying to solve it.

If you can spot the ‘imposter' hiding amongst the sea of 55s, you have the eyes of a hawk.

Whether you're trying to , or , this puzzle will prove a challenge to many readers.

Put your observation skills to the test and figure out whether you have what it takes to spot the ‘imposter' in just a few seconds.

Make sure to set your stopwatch before undertaking this challenge, to make it extra hard for yourself.

If you can do it in under 15 seconds, you are said to have 20/20 vision.

At first glance, the image, provided by SportsMillions looks like a uniform set of 55s.

However, the most eagle-eyed of readers will be able to immediately spot that this is the case.

This brainteaser works by tricking your eyes into thinking that all of the digits are the same.

But rest assured, there is definitely one figure different to the rest.

Unless you're lucky enough to find the odd one out immediately, we recommend analysing the pattern very closely to spot the answer.

The visual deception of this image will have you peeling your eyes, but the payoff is worth it.

If you need a hint, we recommend focusing on the bottom half of the image.

The odd one out can be found on the left side of the picture.

Another tricky brainteaser a gnarled tree but only those with high IQ can hiding on it.

If that's still not hard enough for you, then have a go at in less than five seconds.

Or you can have a go at that has confused fans for years.

Lastly, puzzle fanatics have been left scratching their heads trying to in just 12 seconds.

Coming back to our challenge -were you able to solve it in under 15 seconds?

For those struggling to find the answer, we have marked out the solution for you.