[" The number of ways in which seven persons can be "],[" arranged at a round table,if two particular persons may "],[" not sit together is "]

Find the number of ways in which 7 persons can be arranged at a round table, if two particular persons may not sit together.

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 7 persons can sit around a rouund table is

Number of ways in which 6 persons can be seated around a circular table so that two particular persons are never seated together , is equal to :

In how many ways can 7 people be arranged at round table, so that two particular persons be together?

There are 10 persons among whom two are brothers. The total number of ways in which these persons can be seated around a round table so that exactly one person sits between the btothers, is equal to: