India, Feb. 21 -- Brain teasers have long been a favourite pastime for those who love a mental challenge. These puzzles not only test our logical reasoning but also push us to think outside the box. Their ability to engage and intrigue makes them viral sensations on social media, where users eagerly attempt to solve them and debate their answers.

(Also read: Brain teaser: If you crack this tricky maths riddle, you'll be officially titled champ of the day)

One such brain teaser has recently surfaced on X (formerly Twitter), shared by the account 'Brainy Quiz.' This puzzle is leaving netizens puzzled, with many struggling to decipher the hidden logic behind it.

The brain teaser in question reads:

"IQ Test: 2 + 2 = 6, 3 + 3 = 12, 5 + 5 =...