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How many subsets? (Posted on 2015-06-29) Difficulty: 3 of 5
Given that S = {1,2,3,.....,14}, determine the total number of 7-element subsets of S such that the sum of elements of each of the subsets is divisible by 14

No Solution Yet Submitted by K Sengupta    
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Hints/Tips re: computer solution Comment 3 of 3 |
(In reply to computer solution by Charlie)

Computer wins.
  Posted by Ady TZIDON on 2015-06-30 02:18:58

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