Good Riddles

Question: A man wanted to enter and exclusive club, but did not know the password to get in. He waited by the door and listened. The doorman said "Twelve" and the other man said "Six" and was let in. A second member came up and the doorman said "Six" to which the member replied "Three" and was let in. The man went up and the doorman said to him "Ten" the doorman said "Five" but was not let in. Why?

Question: Fill in the blank: Ebere is the Michael's daughter. So Michael is the ____ of Ebere's father?

Question: What grows when you take from it?

Question: I have more shoes than anybody,
but less feet than everyone.
I am met in the morning,
but departed in the night.
I may shake as if I'm angry,
but I won't bite.

What am I?

Question: Not only a seat, it’s also a head - what is it?