Answer:
I go around in circles, but always straight ahead. Never complain, no matter where I am led. What am I?
If two is company and three is a crowd, what is four and five?
What kind of tree can you carry in your hand?
What is put on a table cut but never eaten?
You see a boat filled with people. It has not sunk but when you look again you don't see a single person on the boat. Why?
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it, can't see it. What is it?