Brain teasers are cleverly designed into testing our eyesight and creatively stretching our brain's capability to think outside of the box.
While they're known for being rather difficult to solve, they're a fun and entertaining way of increasing our level of IQ.
A new tricky illusion has left people scratching their heads to solve as they seek to find the cheating student hidden somewhere within the image.
However, there's a catch - you have less than five seconds to spot the naughty school kid.
If you manage to solve the puzzle successfully, you can pride yourself on being a true riddle master.
At first glance, there are several children sitting in the classroom undergoing an exam while the teacher stands back with a watchful eye.
However, one naughty individual is secretly cheating on the answers.
While you may assume that it's the schoolgirl sitting in the front row peering over at her classmate's answers - this isn't correct.
Don't worry if you weren't able to spot the student as we've labelled the answer clearly for you.
Scroll down below for the answer...
The cheating student can be found in the back row of children circled in red.
The schoolboy is spotted secretly having the answer written on his arm, which he is transcribing onto his answer sheet.
If you are a fan of optical illusions and brainteasers, then why don't you give a few more a try?
If you've ever considered whether you have a high IQ then try finding all seven items in this image within just 60 seconds.
Alternatively, if you think you have what it takes to be a true brain whizz then have a go at spotting all four mistakes in this busy scuba diving scene.
On the other hand, allegedly only those with sharp eyes can spot the hidden face in this tricky optical illusion.
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