AN optical illusion shows off various Q letters, with only a few able to spot the difference within three seconds.
Optical illusions can serve as brain teasers, suggesting IQ levels and observation skills.
One photo shows off various rows of the letter Q.
The letters' arrangement is very uniform, and provides the illusion that all letters there are the same.
In reality, the photograph is an optical illusion.
There's an O letter hidden somewhere in the image.
People with high IQs are able to spot these differences more easily.
If you're able to spot the O within three seconds then you have a higher IQ than normal.
Did you find it yet?
If you need some help, you can split up the image in quarters, scrolling through each section carefully.
Another tip is to focus on the bottom half of the image.
Scroll down to check out the answer key.
If you want to try out more brain teasers, check out this field of roses.
Shared by Dudolf, the photo is packed with illustrations of vivid red poppies.
It has a simple composition made out of white, green and red colors.
Viewers are tasked with spotting a crab among the roses.
The crab is also red, making it very difficult to spot it.
One helpful tip would be to split up the image in quarters.
This technique allows the brain to process information in chunks, being able to pinpoint more detail.
If you need more help, focus on the mid part of the image.
If you still haven't found it, focus on the right half of the teaser.
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Scroll down to find the answer key.