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Showing posts with label Theory of Computation. Show all posts
Showing posts with label Theory of Computation. Show all posts

Thursday, February 03, 2011

A Simple Arithmetic Puzzler ...

Gifts for David
Solving mathematical and recreational puzzles have always been a fun pursuit to me, and scribbling solutions to puzzles  that I had come across was often a great way to keep myself busy.  Interestingly enough, I also realized that making puzzles is also a very fun pursuit.  There are some creative people , like Scott Kim, who have made a career out of simply that: creating puzzles for a living!  Cool!  So, here is a very simple and somewhat interesting puzzle that I came up with and shared with my 9-year-old son a short while ago.  It is pretty easy to solve.  So, I have a follow up question to make it a bit more challenging once you have solved the easier version.  It goes like this: