+0  
 
0
424
1
avatar

I run a book club with n  people, not including myself. Every day, for 365 days, I invite four members in the club to review a book. What is the smallest positive integer n so that I can avoid ever having the exact same group of four members over all 365 days?

 Apr 15, 2020
 #1
avatar+36916 
+1

12      this has been asked multiple times

 

11 c4 =330

12 c4 = 495

 Apr 15, 2020
edited by ElectricPavlov  Apr 15, 2020

3 Online Users

avatar
avatar
avatar