Take a tonedeaf test. You don't need to be a musician to take one. It's a simple test. They play you a few notes and then repeat the same again. All you need to do is hit the 'Same' or 'Different' button. Simple isn't it? Don't forget to put your scores in here :)

I managed 86.1% Go for it

http://jakemandell.com/tonedeaf/

Nice :).
I Got 92.7
Thanks For Sharing