+0  
 
0
55
2
avatar

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

 Jan 18, 2020
 #1
avatar
0

The minimum n is 15.

 Jan 18, 2020
 #2
avatar+20428 
+2

12 c 4 = 495          11 c 4 = 330

 

You will need 12

 Jan 18, 2020

16 Online Users

avatar