There are 10 person among whom two are brother. The total number of ways in which these persons can be seated around a round table so that exactly one person sit between the brothers , is equal to:
Choose the correct answer:
A) 2!*7! B) 2!*8! C) 3!*7! D) 3!*8! E) None of these
Solution: Total number of ways = 7!*2!.   2!*7!nswer: Option 2!*7!
<result>A</result>
There are 10 person among whom two are brother. The total number of ways in which these persons can be seated around a round table so that exactly one person sit between the brothers , is equal to: