India, April 24 -- Brain teasers have long fascinated people by challenging logic and making them question how their minds work. Social media has only amplified that curiosity, with puzzles and riddles often going viral as users rush to test them on friends and family. Now, one such brain teaser has grabbed Instagram users' attention and sparked widespread reactions online.

(Also read: Brain Teaser: Can you spot the total number of triangles? Only 1 in 10 people get it right)

The viral post, shared on Instagram by a user named Scotty, features a sequence of images with handwritten instructions that guide viewers through a seemingly random maths exercise before leading them to a surprising conclusion.

The handwritten text in the post re...