New Delhi, July 9 -- Optical illusions have become quite the rage on social media. Beware, it is not as simple as it looks. The challenge seems straightforward at first glance: you are shown a grid of the repeated word 'RAOR' with one correctly written spelling hiding amidst the visual chaos. The twist? You only have seven seconds to find it!

Some people can manage to spot 'ROAR' within seconds, but most viewers fail to do so in their first attempt.

At first, the illusion seems to be nothing more than a repetition of the incorrect word 'RAOR'. However, buried within the pattern is a singular, correctly spelt 'ROAR'. While this sounds easy, optical illusions like this rely on repeated visual stimuli to trick your brain.

The repetition d...