"A committee of 5 members is to be formed out of 3 trainees, 4 professors and 6 r
Channel: Doubtnut
Date: 05/04/2020

"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"