The number of ways of dividing `15` men and `15` women into `15` couples each consisting a man and a woman is

The number of ways of dividing 20 persons into 10 couples is

Find the number of ways of selecting 12 teams from 16 men and 16 women such that each team consists of a man and a woman is?

" The number of ways of selecting "15" teams from "15" men and "15" women,such that each team consists of a man and a woman,is "

The number of ways of dividing 15 books into 3 groups of 3,4,8 books respectively is:

The number of ways of distributing 15 identical toys among some or all of the students in a classroom consisting of 15 students such that no student gets all the toys

The number of ways in which 15,200 can be divided into two co-prime factors is

Five men and five women are be arranged in a row while seating in a party. Quantity I: number of ways of arranging 5 men and 5 women such that no two men or women are adjacent to each other. Quantity II: Number of ways of arranging 5 men and 5 women such that all men sit together.

Five men and five women are to be arranged in a row while seating in a party. Quantity I: Number of ways of arranging 5 men and 5 women such that on two men or women are adjacent to each other. Quantity II: Number of ways of arranging 5 men and 5 woment such that all men sit together.