The number of ways in which 10 persons can sit round a circular table so that none of them has the same neighbours in any two arrangements.
The number of ways in which 10 persons can sit round a circular table so that none of them has the same neighbours in any two arrangements.
5 views
1 Answers
10 persons can sit round a circular table in 9! ways. But here clockwise and anticlockwise orders will give the same neighbours. Hence the required number of ways =1/29 !
5 views
Answered