YOOOOOOOOOOOO!

Hey guys, Challenge number 2 is out, and this time, it is a riddle challenge! Email me if you think you know the answer!

Riddle Number 1: 

I'm teary-eyed but never cry.
Silver-tongued, but never lie.
Double-winged, but never fly.
Air-cooled, but never dry.

Riddle Number 2:

You have a large number of friends coming over and they all get thirsty. Your first friend asks for 1/2 a cup of water. Your second friend asks for 1/4 a cup of water. Your third friend asks for 1/8 a cup of water, etc.How many cups of water do you need to serve your friends?

Riddle Number 3:

Alone I am 24th, with a friend I am 20. Another friend and I am unclean.

Good Luck!