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How many committee of five persons with a chairperson can be selected from 12 persons?

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How many committee of five persons with a chairperson can be selected from 12 persons?

[Hint: Chairman can be selected in 12 ways and remaining in 11 C4.]

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1 Answer

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Best answer

Formula:- 

nCr 

A chairperson can be selected in =12

The 4 other person can be selected by

=11C4 

Selection of 5 people can be done in

= 330 x 12

= 3960

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