India, April 11 -- Brain teasers have always intrigued the curious minds of the internet. They don't just pass the time - they stimulate critical thinking and give a unique sense of satisfaction when cracked. Especially when numbers are involved, the puzzles often seem deceptively simple but carry an unexpected twist. And if you're someone who enjoys deciphering tricky maths puzzles, there's a fresh challenge making waves online.

Shared on X (formerly Twitter) by a user named Brainy Quiz, the puzzle reads:

"IQ Test, 1111 = 5, 2222 = 10, 4444 = 20, 6666 = ??"

Posted on April 7, the brain teaser has since garnered over 16,000 views and racked up more than 600 comments.

While the puzzle doesn't come with a hint or a solution, users on X ...