If A and B are two sets such that A cup ...

If A and B are two sets such that `A cup B` has 60 elements, A has 32 elements and B has 36 elements. Find the number of elements in `A cap B`.

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Here `n(AcupB)=60,n(A)=32, and n(B)-36`
From result result,
`n(A cupB)=n(A)+n(B)-n(AcapB)`
`60=32+36-n(AcapB)`
`rArrn(AcapB)=68-60=8`.

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