In how many ways can 6 boys be seated at a round table so that two particular boys are next to each other is

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

In how many ways can 8 boys be seated at a round table?

In how many ways can 5 boys be seated at a round table?

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

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

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

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