Since, m men and n women are to be seated in a row so that no two women sit together. This could be shown as×M1​×M2​×M3​×…×Mm​×which shows there are (m+1) places for n women.∴ Number of ways in which they can be arranged=(m)!m+1Pn​=(m+1−n)!(m)!⋅(m+1)!​