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Subj:.....Puzzle - Brothers And Sisters (S577b) 
          From: Puzzles And Brain Teasers on 1/31/2008 
Source: http://www.apuzzlezone.com/adailypuzzle/01-31-08.html 

"I have as many brothers as sisters, but my brothers have 
twice the number of sisters as brothers.  How many of us 
are there?" 
 
 
 
 

                  THE SOLUTION

               .........    Seven.
..............The only possible solution is that
..............the person talking is a woman and
..............there are four woman and three men.
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