A math problem has left the internet stumped and social media users scrambling from their nearest protractor to figure it out. Students, teachers and social media are baffled by a tricky math question ...

Test your brain with this tricky math question! Most people get it wrong at first glance. Divide 100 by half, add fifty, and see if you can solve it correctly. Are you up for the challenge?

Doug Mataconis really threw the Twitter world for a loop when he challenged the internet to solve a math problem from 10 years ago. And it's safe to say anyone with an account had intense feelings ...

The original version of this quiz misstated a figure in question two.