Answer:
What an fill a room but takes up no space?
I walked and walked and at last I got it. I didn't want it. So I stopped and looked for it. When I found it, I threw it away.
My first is equality; my second is inferiority; my whole is superiority.
What makes a loud noise when changing its jacket, becomes larger but weighs less?
You can hold it without using your hands or your arms. What is it?
What is always coming but never arrives?