Short Riddles and Answers

Question: Until I am measured, I am not known. Yet how you miss me, When I have flown What am I?

Question: A man walks all the way around the world without getting wet.

How does he do this?

Question: If a farmer has 5 chickens, two horses, and a wife.

How many feet are on his farm?

Question: What single line can you add to the following statement to make it true?

5+5+5=550

Question: How high would you have to count before you use the letter 'A' in the spelling of a number?