What Am I Riddles

 

Question: I have all of your knowledge but could fit in your hands.

What am I?


Question: You are my brother, but I am not your brother. Who am I?

Question: No matter how much rain comes down on it it won't get any wetter.

What is it?

Question: Many have heard me, but nobody has seen me, and I will not speak back until spoken to.What am I?

Question: I have Eighty-eight keys but cannot open a single door?

What am I?