This simple-looking equation has left many people debating the correct answer online. Can you solve it?

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

Add Yahoo as a preferred source to see more of our stories on Google. Life gets busy, and sometimes those basic math skills from school days get a little rusty. Whether you're budgeting, measuring for ...

Mathematicians have long pondered the reach of a grazing goat tied to a fence, only finding approximate answers until now. Here’s a simple-sounding problem: Imagine a circular fence that encloses one ...