Watch: Here's that '30 Cows in a field' riddle that's driving everybody mad

Truly, this is the mind-bender of the age.

Forget the Riddle of the Sphinx. Forget how Adam Sandler still has a career. This is the question that will drive mankind insane.

Behold.

Now, when you actually write it down, it makes more sense.

Thirty cows in a field, twenty ATE chickens. How many didn't? 

Get it now? Simples. Now go off and baffle your friends and take a video while you're at it.

Via YouTube