Question

Q2) n (A) = 20, n (B) = 28, n (AUB) = 36, n (AnB) = ?

Q3) n (A) = 7, n (B) =13,n (AnB) = 4 then n (AUB) = ?

Q4) n (A) = 9 , n (B) =14, n (AnB) = 11, then n (AUB) = ?

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Answer 1

सब = 256

Aub 63973jw7ehe8en