Optical illusions can be a great way of testing the brain as it tries to see through what the image is throwing at it - but they can leave you scratching your head.
These baffling brainteasers often challenge us to find something hidden within an image in a short space of time, leaving you against the clock to try and decipher it.
In recent weeks we have seen some truly tricky challenges, such as the image which appeared to be moving in front of your eyes, or the hidden bag in an array of flowers.
A new puzzling addition, released by the JagranJosh, might make you hungry after all the brain activity, as it centres around cheeseburgers.
The illusion challenges you to pick out the odd-one-out in this mass of cheeseburgers in front of your eyes.
Much like the classic Where's Wally, you need to spot which burger appears to be different to the rest, but be quick as you are against the clock.
If you can find the right burger within nine seconds then you could have a very high IQ, but this is no easy task.
For many of us, this will be a big struggle and will leave you wondering where the hidden burger could be.
If you need a little nudge on where to find the pesky cheeseburger then glance your eyes across the top left corner of the image and look out for anything which might be missing a core ingredient.
All the burgers include a patty, a bit of lettuce and some cheese - accept for just one.
If you are still stumped as to where this hidden burger is then we have done the hard yards for you as we've spotted where it was lurking.
The red circle shows it was right in the top left of the image, so it was no easy find.
So, if you are looking to try out this optical illusion then make sure you have your stopwatch at the ready.
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