A guard of `12` men is formed from a group of `n` soldiers. It is found that `2` particular soldiers `A` and `B` are `3` times as often together on guard as `3` particular soldiers `C, D` & `E`. Then `n` is equal to

A guard of 12 men is formed a group of n soldiers . It is found that 2 particular solders A and B are 3 times as often together on guard as 3 particular solders C,D,& E. Then n=

A guard of 12 men is formed from a group of n soldiers.It is found that 2 particular soldiers A and B are 3 xx as often together on guard as 3 particular soldiers C,D o* E. Then n is equal to

A guard of 15 men is formed form a group of n soldiers.The number of xx two particular soldiers will guards

A team of four students is to be selected from a total of 12 students.The total number of ways in which the team can be selected such that two particular students refuse to be together and other two particular students wish to be together only is equal to a.220 b.182 c.226 d.none of these

A team of four students is to be selected from a total of 12 students. The total number of ways in which the team can be selected such that two particular students refuse to be together and other two particular students wish to be together only is equal to a. 220 b. 182 c. 226 d. none of these

A team of four students is to be selected from a total of 12 students. The total number of ways in which the team can be selected such that two particular students refuse to be together and other two particular students wish to be together only is equal to a. 220 b. 182 c. 226 d. none of these

A team of four students is to be selected from a total of 12 students. The total number of ways in which the team can be selected such that two particular students refuse to be together and other two particular students wish to be together only is equal to a. 220 b. 182 c. 226 d. none of these

At a particular time , in the reaction 3A+2Brarr4C -

The number of ways that a committee consisting of 5 men and 3 women can be formed from a group of men and 6 women so that 2 particular women both never be in the committee is

Suppose n ( ge 3) persons are arranged in a row. The probability that two particular persons are not together is