20 persons are invited for a party. The different number of ways in which they can be seated on acircular table with two particular persons seated,on either side of the host is

20 persons are invited for a party . The different number of ways in which they can be seated on a circular table with particular persons seated on either side of the host is

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

12 persons are invited for a party. In how many different ways can they and the host be seated at a circular table, if two particular persons are to be seated on either side of the host?

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 :

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

20 persons were invited for a party . The number of ways that they can be arranged in a circle with the host is