A committee of 5 members is to be formed out of 3 trainees, 4 professors and 6 research associates. In how many different ways can this be done if the committee should have 2 trainees and 3 research associates? (a) 15        (b) 45     (c) 60     (d) 9        (e) None of these

A committee of five members is to formed out of 3 trainees, 4 professors and 6 research associates .In how many different ways can this be done if : The committee should have 2 trainees and 3 research associates ?

A committee of 5 members is to be formed out of 3 trainees, 4 professors and 6 research associates. In how many different ways can this be done, if the committee should have 4 professors and 1 research associate or all 3 trainees and 2 professors? (a) 12 (b) 13 (c) 24 (d) 52 (e) None of these

A committee of 5 members is going to be formed from 3 trainees, 4 professors and 6 research associates. How many ways can they be selected, if in committee, there are 2 trainees and 3 research associates?

A committee of five members is to formed out of 3 trainees, 4 professors and 6 research associates .In how many different ways can this be done if : The committee should have all 4 professors and 1 research associate or all 3 trainess and professors?

A committee of 5 members is going to be formed from 3 trainees, 4 professors and 6 research associates. How many ways can they be selected, if there are 4 professors and 1 research associate or 3 trainees and 2 professors?

A committee of five members is to be formed out of Males , 6 Females and 3 children ,In how many different ways can it be done if -? The committee should include all the 3 childs ?

A committee of five members is to be formed out of Males , 6 Females and 3 children ,In how many different ways can it be done if -? The committee should consist of 2 Males, 2Females and I Child ?

A committee of 5 members is to be formed out of 4 men ad 5 women. In how many ways this can be done.

A committee of 5 persons is to be formed from a group of 6 gentleman and 4 ladies. In how many ways can this be done if the committee is to include at least one lady ?