India, Oct. 15 -- Optical illusion challenges are often tough to solve. The latest puzzle on Reddit has left thousands of users scratching their heads. The task is to locate a "dangerous" cow among dozens of others. People have been asked to "report it immediately" as the animal bites the tails of other cows. To solve such puzzles, you really need to stay focused as these challenges put your eyes and brain to the task. Only people with mind-boggling observation skills can crack such viral illusions in less than 10 seconds.

The image has been shared on the famous r/FindTheSniper community on Reddit, which is home to thousands of such puzzles, as people across all walks of life come together to solve such fun games. The one-stop location p...