Long Riddles and Answers

Question: A girl dove in the sea.. some say there are two people under the sea. Why is that?

Question: A man walks into a ballet room with girls. Looks around. How many men does he see?

Question: When the clock has no angle I will own yesterday, tomorrow and tonight What m I?

Question: A wooden block is floated on water. What can be placed on it to reduce its weight?

Question: I can be sun,
I can be sand,
and I can be bird.

What am i?