1.

A committee of 7 has to be formed from 9 boys and 4 girls. In how many ways can this be done when the committee consists of : (i) exactly 3 girls ? (ii) at least 3 girls ? (iii) at most 3 girls ?

Answer»

A committee of 7 has to be formed from 9 boys and 4 girls. In how many ways can this be done when the committee consists of :

(i) exactly 3 girls ?

(ii) at least 3 girls ?

(iii) at most 3 girls ?



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