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A group consists of 4 girls and 7 boy...

A group consists of 4 girls and 7 boys. In how many ways can a team of 5 members be selected if the team has (i) no girl ? (ii) at least one boy and one girl ? (iii) at least 3 girls ?

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The correct Answer is:
(i) 21 (ii) 441 (iii) 91
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