Long Riddles and Answers

 

Question: I take what you receive and surrender it all by waving my flag.What am I?


Question: I can go up a chimney down but not down a chimney up?

What am I?

Question: What is the next number in the sequence? 1 11 21 1211 111221 312211

Question: You can only keep it once you give it to somebody.

What is it?

Question: This sentence is false.

Is the preceding sentence true or false?