Answer:
What instrument can make any sound and be heard but not touched or seen?
A person who chews the ends of their fingers
What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?
What can travel around the world while staying in a corner?
It belongs to you but you donβt use it. It does not belong to other people but they use it. What is it?
It is something you will never see again.