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A committee of 7 has to be formed from 9...

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) exactrly 3 girls?
(ii) at least 3 girls
(ii) almost 3 girls?

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The correct Answer is:
(i) 504 (ii) 588 (iii) 1632
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MODERN PUBLICATION-PERMUTATIONS AND COMBINATIONS -Revision Exercise
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