Question : If a party of n persons sit at a round table, then the odds against two specified individual sitting next to each other are
(A) 2 : (n-3)
(B) (n-3) : 2
(C) (n-2) : 2
(D) 2: (n-2)
Answer : option (B)
Solution :
If a party of n persons sit at a round table, then the odds against two specified individual sitting next to each other are
with
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