There are "3" rows containing "2" seats " in each row.The number of ways in which "3" persons can be seated such that no row remains empty is "p" then `(p)/(16)`=

The number of ways in which 5X 's can be placed in the squares of the figure so that no row remains empty is:

The number of ways in which 6X 's can be filled in the grid so that no horizontal row of the grid remains empty,

Six boys are to be seated in a row.The number of ways in which any 3 boys are not seated in the places specified to them,is

There are four chairs with two chairs in each row.In how many ways can four persons be seated on the chairs,so that no chair remains unoccupied

Five oys and three girls are sitting in a row of 8 seats. Number of ways in which they can be seated so that not all the girls sit side by side is

A family of 4 brothers and 3 sisters is to be arranged in a row for a photograph.The number of ways in which they can be seated if all the sisters are to sit together is

If lambda be the number of ways in which 6 boys and 5 girls can be seated in a row such that all girls sit together,then lambda is divisible by