India, April 27 -- Maths brain teasers have always held a special place in the hearts of puzzle enthusiasts. These tricky riddles not only stretch your imagination but also test your logic and analytical skills in the most unexpected ways. If you're searching for a fresh challenge to flex your brain muscles, we have got just the thing for you.

(Also read: Only a super sharp mind can solve this tricky number puzzle that has baffled the internet)

Recently, a tough brain teaser has been shared on X (formerly Twitter) by an account called Brainy Quiz, sparking curiosity and debate among users.

It reads:

"IQ Test: 10 + 10 = 20, 20 + 20 = 60, 30 + 30 = 120, 40 + 40 = ??"

Check out the puzzle here:

At first glance, it looks like basic addi...