Answer:
What can you hold in your left hand but can never hold in your right hand?
Used to keep prisoners silent and to make temporary repairs on cars.
Sometimes imaginary and sometimes real, sometimes they are the closest and dearest person outside the family. Who are they?
I am neither a guest nor a trespasser in this place. I belong that belongs to me. Where is it?
In many hallways you would stand, if not with this in hand.
What is 9 added to any number ending in 1