Good Riddles

Question: What kind of coat can only be put on when wet?

Question: He has married many women, but has never been married. Who is he?

Question: A poor man is sitting in a pub. He sees that the man next to him is extremely rich.

Poor man: I have an amazing talent; I know almost every song that has ever existed.

The rich man laughs.

Poor man: I am willing to bet you all the money you have in your wallet that I can sing a popular song that includes a lady's name of your choosing.

The rich man laughs again.

Rich man: OK, how about my daughter's name, Joanna Armstrong-Miller?

The poor man goes home rich.

What song did he sing?

Question: What goes up, lets out a load, then goes back down?

Question: There is a story that a man and not a man
Saw and did not see a bird and not a bird
Perched on a branch and not a branch
And hit him and did not hit him with a rock and not a rock.

[How is this possible?]