Find sets A, B and C such that `AnnB`, `BnnC` and `AnnC` are non empty – InterviewSolution

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1.	Find sets A, B and C such that `AnnB`, `BnnC` and `AnnC` are non empty sets and `AnnBnnC=phi`.
Answer» To prove this, we can take some example sets. Let `A = {1,2,3,4,5},` `B = {4,5,6,7,8},` `C={7,8,9,1,2}` Now, `AnnB = {4,5}` `BnnC = {7,8}` `CnnA = {1,2}` Now, if we take, `AnnBnnC` it will come `phi` as there is no common element in these three sets. Thus, `AnnBnnC = phi`

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