If `n(mu)=100,n(A)=50,n(B)=20` and `n(A cap B)`=10, then `n[(AcupB)]=` – InterviewSolution

InterviewSolution

1.	If `n(mu)=100,n(A)=50,n(B)=20` and `n(A cap B)`=10, then `n[(AcupB)]=`A. 60B. 30C. 40D. 20
Answer» Correct Answer - C (i) `n(AcupB)=n(mu)-(AcupB)` (ii) `n(AcupB)=n(A)+n(B)-n(AcapB)`. (iii) `n[(AcupB)^(C)]=n(mu)-n(AcupB)`.

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