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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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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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