The number of ways of arranging 9 persons around a circle if there are two other persons between two particular persons is:

The number of ways of arranging 9persons around a circle if there are two other persons between two particular persons is:

The number of ways of arranging 7 persons around a circle is

Find the number of ways of arranging 7 persons around a circle.

Find the number of ways to arrange 8 persons around a circle by taking 4 at a time.

There are fifty persons among whom 2 are brothers. The number of ways they can be arranged in a circle, if there is exactly one person between the two brothers, is

There are fifty persons among whom 2 are brothers. The number of ways they can be arranged in a circle, if there is exactly one person between the two brothers, is

Find the number of ways to arrange 8 persons around circular table id two specified persons wish to sit together