Question

if n(A)= 30, n(B) = 45 and n(ANB) = 65, then find n(AUB), n(A UBUC) = 100, n(A) = 3x, n(B)=7x, n(c) = 5x, n (AnB)=20, n(Bnc) = 10 and n (AUC)​

Answer 1

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