Questions
In how many ways can 15 members of a council sit along a circular table, when the Secretary is to sit on one side of the Chairman and the Deputy Secretary on the other side?
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Correct option is A
Since, total members are 15 but three special members constitute one member.therefore, required number of arrangements are 12 ! x 2 , because, chairman remains between the twospecified persons and the person can sit in two ways.Similar Questions
Three boys and three girls are to be seated around a circular table. Among them the boy X does not want any girl as a neighbour and girl does not want any boy as a neighbour. The number of possible arrangement is:
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