Total number of ways = 8!*2!.
There are 11 person among whom 2 are brother. The total no.of ways in which these persons can be seated around a round table so that exactly 1 person sit between the brothers, is equal to?
Options:
  * 4!*2!
  * 7!*2!
  * 6!*1!
  * 2!*1!
  * 8!*2!