Answer:
What kind of nut is empty at the center and has no shell.
A beggar's brother went out to sea and drowned. But the man who drowned had no brother. Who was the beggar to the man who drowned?
He has married many women but has never married.
What is it that you must give before you can keep it.
What word has kst in the middle, in the beginning, and at the end?
What never gets any wetter no matter how hard it rains?