Many people get it wrong: Can you solve this tricky math problem?

We’ve all done puzzles like crosswords or sudoku, but lately, I’ve found myself drawn to a different kind of challenge—classic math problems. These brain-teasers are popping up all over the web, and they’re surprisingly fun! It’s like revisiting the math you learned back in middle or high school.

So, here’s a tricky one that stumps many people. Can you solve it?

What’s the correct answer?
A. 9
B. 12
C. 6

Take your time and think it through.

The Correct Answer: 12.Why?