Four married couples have bought 8 seats in a row for a concert. In how many ways can they be
seated?
a) the men and the women are to sit in alternate seat
b) no man is to sit with another man
Solution
a)4! *4!*2 =1152 b)5!3! =720.
Four married couples have bought 8 seats in a row for a concert. In .pdf
1. Four married couples have bought 8 seats in a row for a concert. In how many ways can they be
seated?
a) the men and the women are to sit in alternate seat
b) no man is to sit with another man
Solution
a)4! *4!*2 =1152 b)5!3! =720