Bhubaneswar, April 25 -- Engaging in brain teasers and optical illusions is an enjoyable way to keep your mind and eyes sharp and alert. These activities not only enhance cognitive abilities but also improve observational and focus skills.

While some puzzles may be time-consuming and complex to solve, the sense of satisfaction upon completion provides motivation to continue to get engaged in such activities.

Today, we have a fun challenge for you that can be solved by the naked eye and and promises to be intriguing. The image was created by Hungarian Illustrator Dudolf.

In the image, you'll find a group of butterflies with different patterns and the challenge is to find the butterfly which has a 'UNIQUE PATTERN' within 30-second time f...