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Dimsums LTD (Posted on 2017-10-16) Difficulty: 2 of 5
A fast food restaurant sells dimsums in boxes of 7 and 3.
What’s the greatest number of dimsums a person cannot buy?
Generalize it for p and q where p and q are relatively prime.

Source: Alok Goyal (Stellaris VP, Ex-Helion VC) puzzle blog

  Submitted by Ady TZIDON    
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Solution: (Hide)
11 (eleven) is the answer
All numbers above it will be on (at least)one of the following lists:
...12,15,18, boxes of 7.
...13,16,19, box of 7.
14,17,20...-2 boxes of 7.

11 -yok!

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  Subject Author Date
SolutionsolutionPaul2017-10-16 10:40:41
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