India, April 21 -- Brain teasers have long been a favourite for those who enjoy a good mental challenge. They come in various styles-some are age-based puzzles, others revolve around mathematical logic, and a few are purely visual. Among the most intriguing of the lot are optical illusions-mind-bending images that challenge your perception and force your brain to think outside the box.

(Also read: Optical illusion: Only those with laser-sharp eyesight can count how many people are in this image)

Optical illusions aren't just for fun; they test your focus, observation skills, and mental agility. They play tricks on your brain, making you question what you're seeing. And if you're a fan of such visual puzzles, then get ready-because we've...