Find the no.of ways of arranging the boy and 7 guests at a circular table so that the boy always sits in a particular seat? Options:
A) 7!
B) 8!
C) 9!
D) 10!
E) 11!
Ans.(A)   Sol. Total number of persons = 8 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 7P7 = 7! Ways ... The number of required arrangements = 7! x 1= 7! = 7! ways
<result>A</result>
Find the no.of ways of arranging the boy and 7 guests at a circular table so that the boy always sits in a particular seat?