India, Feb. 8 -- Mathematics has been a subject that has puzzled and fascinated us since childhood. While complex equations and tricky formulas may leave many perplexed, brain teasers infused with maths often prove to be an exciting challenge. Many enjoy testing their wits with these clever puzzles, and if you're one of them, here's a new brain teaser that has grabbed the attention of social media.

(Also read: This simple yet brain-twisting maths teaser has confused the internet. Can you solve it?)

A brain teaser recently shared on X (formerly Twitter) by the account 'Brainy Quiz' has left users scrambling for answers. The puzzle presents a simple-looking pattern:

"Brain Test, 6 = 42, 5 = 30, 4 = 20, 2 = ?"

At first glance, it appears...