Posted by Brad Paul on October 24, 2002 at 11:32:31:
In Reply to: brain teaser posted by Charles on October 24, 2002 at 10:00:14:
: a farmer has 4 pens and 21 cows. He wants to put an odd number of cows into each pen. How can he do this
You do not specify that all cows must be in a pen. Therefore 1 cow in
each pen would work just fine.