New Delhi, Aug. 17 -- Here is a brain teaser that is tricky but fun. The image shows just an eaten apple, or so it seems. Inside that odd visual lies a secret: two hidden children's faces. It's the kind of illusion that makes you pause and stare, because behind the familiar shape, something surprising awaits. Only about 1% of people manage to find the two kids within just 5 seconds.

You see what looks like a bitten apple, but your mind wants more. The key is to slow down, tune your focus, and let your eyes roam the curves of the apple shape. Beyond the obvious fruit, the designs of peeling and shading actually sketch two faces. It is not about color or bold lines; it is pattern recognition and a little mental twist. The challenge is real...