India, April 21 -- Maths brain teasers have long captivated the minds of curious individuals. Whether it's a simple arithmetic twist or a complex number pattern, these puzzles spark a unique sense of joy and challenge for those who love to test their logic. If you're someone who enjoys solving mathematical riddles, there's a new challenge doing the rounds online that might just leave you stumped.

(Also read: Optical illusion: You'll be declared puzzle master of the day if you can count all ducks in this tricky image)

A recent brain teaser shared on X (formerly Twitter) by an account named Brainy Quiz has been gaining traction among puzzle enthusiasts. The teaser reads:

"123 = 26, 223 = 46, 323 = 66, 345 = ?"

Check out the puzzle here:...