Find the no.of ways of arranging the boy and 4 guests at a circular table so that the boy always sits in a particular seat?  Options.
A) 7!  B) 4!  C) 9!  D) 10!  E) 11!
Ans.(B)   Sol. Total number of persons = 5 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 4 places in 4P4 = 4! Ways ... The number of required arrangements = 4! x 1= 4! = 4! ways
<result>B</result>
Find the no.of ways of arranging the boy and 4 guests at a circular table so that the boy always sits in a particular seat?