YOU could have a high IQ and 20/20 vision if you can spot the hidden number amongst the letter S's in under a minute.
Only a tiny percentage of people with a keen eye for detail will be able to spot the number in a sea of letters.
Challenge yourself and see if you can spot the number in under 55 seconds. If you can, you have an incredibly high IQ along with extremely impressive eyesight.
In a brain teaser like this one, the best technique to spot the out-of-place number is to scan the image from left to right, row by row, quickly.
By just having a random glance at the image, time will not be on your side and could lower your IQ rating. But, for some, this may be the trick to catching the number in seconds.
You could have the eyes of a marksman if you spot the sniper in 10secs
If you have a sharp brain, it will work quickly to piece together all the information we're seeing. While this illusion may turn your vision fuzzy, keep your focus.
With 55 seconds to complete the task, did you spot the hidden five?
Brainteasers are great fun for those who enjoy keeping their brains alert and challenged with games and puzzles.
It is an effective exercise for your brain that even prolongs the lifespan of short-term memory.
Keep doing our brain teasers and you could start experiencing the results.
You could be doing this with a friend and the image would look different to you both. You may have differing techniques to catch the out-of-place number too.
Have you spotted that pesky number five?
If you haven't managed to, try looking at it from a different perspective or go from row to row, identifying which icon looks slightly different.
Still no luck? Look in the bottom right hand corner.
Tree appears to be full of leaves in winter - but can you spot what's going on?
We've also included some more bonus puzzles for you to keep your brain engaged and challenged.
Figure out what's wrong with this image of smiling women sitting on a couch as you try to count their legs.
Prove yourself a genius if you can solve where the strawberry is hiding in the carnival scene in less than nine seconds.
Or test your brain power and solve the questions in this test to reveal if you have a high IQ.
See if you have the eyes of a predator and spot the bird hidden among the branches.
And finally, spot the hidden number amongst the coloured dots in just seven seconds if you have 20/20 vision.
