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Supreme Subset (Posted on 2014-01-02) Difficulty: 3 of 5
Let us define the set T = {1,2,3,...,700}. Now, S is a subset of T such that no two numbers in S differ by a difference of 2 or 5.

Determine the largest number of elements that S can have.

No Solution Yet Submitted by K Sengupta    
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Solution possible solution | Comment 1 of 6
Erroneous solution,
deleted by the author.

The correct answer is  300.

Edited on January 2, 2014, 7:41 pm
  Posted by Ady TZIDON on 2014-01-02 10:14:00

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