Find the no.of ways of arranging the boy and 10 guests at a circular table so that the boy always sits in a particular seat? Choose the correct choice from the following options: A) 10! B) 9! C) 8! D) 6! E) 7!
Ans.(A)   Sol. Total number of persons = 10 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 8 places in 10P10 = 10! Ways ... The number of required arrangements = 10! x 1=10! = 10! ways
<result>A</result>
Find the no.of ways of arranging the boy and 10 guests at a circular table so that the boy always sits in a particular seat?