Answer:
It's equally comfortable in an orchestra and a geometry textbook. What is it?
What can be heard and caught but never seen?
I am whole but incomplete. I have no eyes, yet I see. You can see, and see right through me. My largest part is one fourth of what I once was.
What is weightless but it needs two person to hold it?
He has married many women, but has never been married. Who is he?
What language does a billboard speak?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?