New Delhi, Aug. 31 -- Optical illusions are the latest trend on the internet, fascinating users across the globe. These brain teasers challenge our brains to think of creative solutions. Be it finding a hidden object in a photo or spotting minor differences between two images, these optical illusions allow people to unwind after a busy day and give their brain a workout at the same time.

The latest optical illusion to trend on the internet asks players to spot the odd letter in a grid. All they have to do is find the lone O in a grid full of Qs. The challenge is that they have five seconds to accomplish the task. While the task may seem to be easy initially, players soon realize that appearances can be deceptive.

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