Find the number of ways of arranging the boy and 12 guests at a circular table so that the boy always sits in a particular seat?	Pick one.
A) 3! B) 8! C) 11! D) 12! E) 14!
Ans.(D)   Sol. Total number of persons = 13 Host can sit in a particular seat in one way. Now, remaining positions are defined relative to the host. Hence, the remaining can sit in 12 places =&gt; 12! Ways ... The number of required arrangements = 12! x 1= 12! = 12! ways
<result>D</result>
Find the number of ways of arranging the boy and 12 guests at a circular table so that the boy always sits in a particular seat?