Add Yahoo as a preferred source to see more of our stories on Google. Sorry, it's math time. But these are some of the easiest math quizzes we've ever put on BuzzFeed ...

Here are 10 math problems that confused people across the internet. Can you solve them?

This quick mental trick uses three simple math questions to set up a specific number prediction, asking viewers to think of a number between 5 and 12 before locking in their answer. It's a fast, ...