csat-suneung 2018 Q18

csat-suneung · South-Korea · csat__math-science 4 marks Permutations & Arrangements Distribution of Objects into Bins/Groups
When distributing 4 distinct balls into 4 distinct boxes without remainder, how many ways are there to distribute them such that there is at least one box containing exactly 1 ball? (Here, there may be boxes with no balls.) [4 points]
(1) 220
(2) 216
(3) 212
(4) 208
(5) 204 
When distributing 4 distinct balls into 4 distinct boxes without remainder, how many ways are there to distribute them such that there is at least one box containing exactly 1 ball? (Here, there may be boxes with no balls.) [4 points]\\
(1) 220\\
(2) 216\\
(3) 212\\
(4) 208\\
(5) 204
Paper Questions
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