New Delhi, Sept. 21 -- Brain teasers have long been popular online for their ability to test logic, observation, and problem-solving skills. These puzzles give the brain a quick workout. And a fresh puzzle posted on Reddit recently has caught the attention of hundreds of users.

Brain teasers like these have become popular on social media, where users enjoy testing their problem-solving speed and sharing their results. Experts say such puzzles stimulate logical thinking and improve mental flexibility, while also offering a quick sense of satisfaction when solved.

The brain teaser was posted in the subreddit brainteasers by user iamlandon1234; the user captioned, "Can you figure out the answer?" The post included an image-based riddle inv...