Can You Solve This? [VIDEO]

It seems easy but it's not!

I love trying to solve problems like this, it's a fun exercise! I was screaming at my computer trying to tell these people the right answer... but I was wrong too.

The common problem with these brain teasers, questions or whatever you want to call them, is that we over think it. It took me a minute or two into the video to finally get the answer but it came after I relaxed and simplified the question. Do you have any brain teasers/quizzes you like to tell?

Here's one for you, what is the rule for this set of numbers: 8, 4, 2. Can you guess it? I know, that was way too easy.