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If A and B are two sets such that n(A) = 70, n(B) = 60, n(A∪B)= 110, then n(A∩B) is equal to |
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Answer» If A and B are two sets such that n(A) = 70, n(B) = 60, n(A∪B)= 110, then n(A∩B) is equal to |
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