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A committee of five members is to form...

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

15

B

45

C

60

D

9

Text Solution

Verified by Experts

The correct Answer is:
C

Number of combinations
= Selecting 2 trainess out of 3 and selecting 3 research associates out of `6=""^(3)C_(2)xx""^(6)C_(3)`
`=3xx(6xx5xx4)/(1xx2xx3)=60`
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