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Sum Numbers, Get Even (Digits)? (Posted on 2007-08-15) Difficulty: 3 of 5
P is a 17 digit positive integer and Q is obtained by writing the digits of P backwards. If neither P nor Q has leading zeroes, can P+Q include no even digits?

See The Solution Submitted by K Sengupta    
Rating: 4.0000 (3 votes)

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re: full solution Comment 5 of 5 |
(In reply to full solution by Charlie)

Thanks Charlie.

I confirm having hyperlinked your methodology in my solution.
  Posted by K Sengupta on 2008-03-13 15:00:30

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