[" The number of ways in which "7" men be seated "],[" at a round table so that two particular men are "],[" not side by side is "]

The number of ways in which 8 boys be seated at a round table so that two particular boys are next to each other is

The number of ways in which 7 persons can be seated at a round table if twom particular persons are not to sit together is

The number of ways in which 8 men be arranged round a table so that 2 particular men may not be next to each other is

The number of ways in which 8 men be arranged arounda circular table so that 2 particular men may not be next to each other is

The number of ways in which 6 men can be arranged in a row so that the particular 3men sit together,is:

In how many ways can 6 men be seated at a round table ?

In how many ways can 7 boys be seated at a round table so that two particular boys are next to each other

A host invites 20 persons for a party. The number of ways they can be seated at a circular table such that two particular persons be seated on either side of the host is