Thirteen persons take their places at round table, show that it is five to one against two particular persons sitting together.

Thirteen persons take their places at a round table.Show that it is five to one against two particular persons sitting together.

In a party 23 persons take their seats at a round table. The odds against two particular persons sitting together are :

12 persons are seated around a round table. What is the probability that two particular persons sit together?

If 15 people sit around a round table then the unfavourable chance ratio of two particular persons sitting together is :

If 10 persons are to sit around a rothe odds against two specified persons sitting together is

The number of ways in which six boys and six girls can be seated at a round table so that no two girls sit together and two particular girls do not sit next to a particular boy is