Answer:
What hole do you mend with holes?
What kind of tree can you carry in your hand?
What is brown, big and red all over?
Whatβs the difference between a politician and a flying pig?
I have many letters, And though it's strange to say, I stay the same no matter how many I give away.
Iβm hard as a rock and as light as a feather. Iβm passed on to one another. Poor people need me and rich people have me.