A is a subset of B. If n(A) = 10 and n(B) = 30, then n(B U A) = ______ – InterviewSolution

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1.	A is a subset of B. If n(A) = 10 and n(B) = 30, then n(B U A) = __________ .
Answer» A is a subset of B. If n(A) = 10 and n(B) = 30, then n(B U A) = __________ .

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