Brain Teaser for the week. Enter if u knw ur brilliant

Let's see how brilliant you are..

In a Zoo, there are Snakes, Elephants, Ostriches... A man counted 50 eyes, 6 trunks and 40 legs... How many snakes are in the zoo?

Sensible Answers Only!!!!

Lets see the Brilliant Naijaloadites who will get this Right!!!!