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Sets A and B have 3 and 6 elaments respectively. What can be theminimum number of elements in `A uu B`A. 3B. 6C. 9D. 18 |
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Answer» Correct Answer - B Sets A and B …………. `n(AuuB)= n(A)+n(B)-n(AnnB)` `=3+6-n(AnnB)` Since maximum number of elements in `AnnB = 3` `:.` Minimum number of elements in `AuuB = 9-3=6` |
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