Let A and B be two sets such that n(A)=20, n(AUB)=42, n(AintersectionB – InterviewSolution

1.

Let A and B be two sets such that n(A)=20, n(AUB)=42, n(AintersectionB)=4. Find i) n(B) ii) n(A-B) iii) n(B-A)

Answer»

Let A and B be two sets such that n(A)=20, n(AUB)=42, n(AintersectionB)=4.

Find i) n(B)

ii) n(A-B)

iii) n(B-A)

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