From a set of 2n+1 consecutive integers a certain number, say x, is selected in a way that the remaining n pairs can be arranged as couples having the same sum.

What are all the possible values of x making such task doable?

(In reply to re: Not feeling literal by armando)

A B S O L U T E L Y .

Posted by Ady TZIDON on 2018-02-14 08:55:36