The Zoo

by
Erik Oosterwal

I have some number of animals at home. If all of them except 2 are birds, and all of them except 2 are cats, and all of them except 2 are dogs, how many pets do I have?

I give up, show me the Answer

All original puzzles and solutions are © Erik Oosterwal 1993-2008

See all the brain teasers on The Puzzle Page.

Get daily puzzles in your RSS reader at The Puzzle Page Blog Site.

Looking for answers to computer programming problems?
Read what's going on in the Computer Science 101 classroom.