You are given n > 0 of each of the standard denomination US coins: 1¢, 5¢, 10¢, 25¢, 50¢, $1. What is the smallest n such that it is impossible to select n coins that make exactly a dollar?
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Can't be a dollar
Posted 28 February 2013 - 06:09 PM
Thanks! I honestly did use the search engine prior to posting.
Posted 01 March 2013 - 03:34 AM
BMAD, you're giving us a nice selection of new puzzles.
Not to worry if there is a duplicate.
Full disclosure, I have reposted my own problems, on at least two occasions.
a) bad memory
b) I loved the problem
c) search words were not well chosen
d) all of the above.
kman, good catch, and I will close this topic.
- Bertrand Russell
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