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If A and B be two sets such that n(A) = 70 , n(B) = 60 , and n(A∪B) = 110 . Then n (A∩B) is equal to (1 Point)

Posted by Sanjay Subramanian 4 years, 5 months ago

CBSE > Class 11 > Mathematics

1 answers

Tanishq Shah 4 years, 5 months ago

n(AUB)=n(A)+n(B)-n(AnB) 110=70+60-n(AnB) n(AnB)=(70+60)-110 n(AnB)=20

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