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

Every few months, the Internet eats itself over some kind of viral riddle or illusion, each more infuriating than the last. And so, like clockwork, this maddening math problem has gone viral, ...

The question goes: "A bat and a ball cost $1.10 in total. The bat costs $1.00 more than the ball. How much does the ball cost?" Is your knee-jerk response that the ball costs ten cents? That is a ...