The number of ways in which 10 boys can take positions around a circular round table, if two particular boys must not be seated side by side, is

Write the number of ways in which 5 boys and 5 girls can sit around a round table.

Write the number of ways in which 5 boys and 5 girls can sit around a round table.

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 5 boys and 4 girls sit around a circular table, so that all girls sit together

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

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

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 :