India, Oct. 30 -- Optical illusions are a great exercise for the eyes and the brain. Not only do they increase mental agility, but they also sharpen observation skills and force the audience to think out of the box. Now, a new Reddit puzzle has got the users scratching their heads. The popular subreddit, r/FindTheSniper, dropped a Halloween-themed image and asked the viewers to spot the real black cat in 10 seconds or less.

The viral puzzle on Reddit got the audience wondering where the real black cat could be. In the picture, the viewers can see the outside of a house, decorated for Halloween. Several pumpkins are placed on the steps, with an origami cat placed on the side. A green dustbin is also placed right outside the house, with so...