Get out your timer and number two pencil to see if your arithmetic skills are still sharp.

A seemingly easy math puzzle making the rounds on the internet has left people scratching their heads as it requires some clever thinking. The brainteaser, that was shared on X this week by user ...

Get out your timer and number two pencil to see if your arithmetic skills from grade school are still intact.

You probably think you're smarter than a middle schooler. If you want to know for sure, try your hand at this basic math problem. It's harder than it looks — even if you think you have a solid grasp ...