committee of 4 is choosen from 8 mens and 6 womens determine the number of ways of selecting the commitee .if (1) there are no restructions. (2) it must contain 2 mens and 2 womens . (3) it must contain all men.
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(1) if there are no restrictions
then we have to select 4 out of 14
that is C(4,14)
(2) it must contain 2 men and 2 women
then we must first select 2 men then 2 women
to do this we have C(2,8) × C(2,6)
(3) IT MUST CONTAIN ALL MEN
that it all 4 has to be men
then C(4,8)
CALCULATIONS IS ALL YOURS
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