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Let n(U)=500. If A and B are such that n...

Let n(U)=500. If A and B are such that n(A)=200, n(B)=300 and `n(AcapB)`=100 then `n(A' cap B')` is equal to:

A

200

B

300

C

100

D

150

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  • Let A and B be two sets such that n(A)= 70, n(B)=60 and n(A uu B) = 110. Then n(A nn B) is equal to

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