Recent content by kamarala

Hmm, I think I was not clear enough, my bad. I have unlimited quantity of each item. I would like to fill in the boxes with 40 items and I would like to keep the number of common items in any box to a minimum. Like, I have 500 different gifts (with unlimited quantity) to choose from and I...

Hello, Let's say I have 500 boxes and 500 hundred non-identical items. I would like to have sets of 40, chosen among those 500 hundred items and my objective is to keep the number of same items in any 2 boxes at a minimum. 1. What would be that minimum number of common items? 2. If...