Number of ways in which 200 people can be divided in 100 couples is -

The total number of ways in which 2n persons can be divided into n couples is a. (2n !)/(n ! n !) b. (2n !)/((2!)^3) c. (2n !)/(n !(2!)^n) d. none of these

The total number of ways in which 2n persons can be divided into n couples is a. (2n !)/(n ! n !) b. (2n !)/((2!)^3) c. (2n !)/(n !(2!)^n) d. none of these

The total number of ways in which 2n persons can be divided into n couples is a. (2n !)/(n ! n !) b. (2n !)/((2!)^3) c. (2n !)/(n !(2!)^n) d. none of these

The total number of ways in which 2n persons can be divided into n couples is a. (2n !)/(n ! n !) b. (2n !)/((2!)^3) c. (2n !)/(n !(2!)^n) d. none of these

The total number of ways in which 2n persons can be divided into n couples is a. (2n !)/(n ! n !) b. (2n !)/((2!)^3) c. (2n !)/(n !(2!)^n) d. none of these

The total number of ways in which 2n persons can be divided into n couples is a.(2n!)/(n!n!) b.(2n!)/((2!)^(3)) C.(2n!)/(n!(2!)^(n)) d.none of these

The total number of ways in which 2n persons can be divided into n couples is

The total number of ways in which 2n persons can be divided into n couples is

Total number of ways in which “2n' persons can be divided into ‘n’ couples is

The number of ways in which 12 people may be divided into three sets of equal size is