Answer:
Take away my first letter take away my second letter take away all my letters and I would remain the same.
I can speak with my hard metal tongue. But I cannot breathe for I have no lung
I have all the knowledge you have. But I am so small that I can fit into your hands. What am I?
I have a neck and no head two arms but no hands. I go with you to school I go with you to work.
I am a nut with a hole. What am I?
What never gets any wetter no matter how hard it rains?