As for the Qs

Answers:

      1.   It was a beauty pageant.
       
  2.   They have no belly buttons.
       
  3.   Fill up the three-gallon container and pour it into the five-gallon container. Do it again -- there will be one gallon left in the three-gallon container. Empty the five, pour in the one, fill the three again and pour it into the five-gallon container -- and you've got four.
       
  4.   If a man's got a widow, he's too dead to marry anybody.