+0  
 
0
110
2
avatar+502 

 

this has to do with permutations i think

 Jun 12, 2021
 #1
avatar+35059 
+2

1+2+3+4 = 10 balls are accounted for already ...this leaves 2 balls to distribute

 

there are 4 ways to put the two in ONE box

there are 6 ways to distribute One and One ball amongst the four boxes

 

10 ways      (I think)

 Jun 12, 2021
 #2
avatar+502 
+1

ok thanks

mworkhard222  Jun 12, 2021

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