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A Few Coins II (Posted on 2005-05-12) Difficulty: 1 of 5
In A few coins, we learned about Levikland, in which the currency is perplexii. The coin values are 1, 2, 5, 10, 20, 50, and 100 perplexii.

How many perplexii can you have and still not be able to make change for a 100 perplexii coin?

See The Solution Submitted by Dustin    
Rating: 1.8000 (5 votes)

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answer Comment 6 of 6 |
The answer is 143 perplexii, since no collection of coins (out of the coins of various denominations summing to 143 p) can add up to 100 p.  

Edited on November 7, 2007, 10:33 pm
  Posted by K Sengupta on 2007-11-07 22:33:12

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