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 Dimsums LTD (Posted on 2017-10-16)
A fast food restaurant sells dimsums in boxes of 7 and 3.
Whatâ€™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 No Rating Solution: (Hide) 11 (eleven) is the answer All numbers above it will be on (at least)one of the following lists: ...12,15,18,...no boxes of 7....13,16,19,...one box of 7. 14,17,20...-2 boxes of 7. 11 -yok!

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 Subject Author Date solution Paul 2017-10-16 10:40:41
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