Let A and B be two sets such that nA-70- nB-90- and nA- B-110- Then nA- B equals

The correct option is B 20 n(A∪ B)=n(A)+n(B) n(A∩ B) 110=70+60 n(A∩ B) #160;n(A∩ B)=20 ...

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Intersection of Sets

Let A and ...

Question

Let $A$ and $B$ be two sets such that $n (A) = 70$ , $n (B) = 90$ , and $n (A \cup B) = 110$ . Then $n (A \cap B)$ equals

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A

B

n (A) = 70, n (B) = 60

n (A \cup B) = 110

n (A \cap B)

A

B

n (A) = 16

n (B) = 12

n (A \cap B) = 8

n (A \cup B)

If A and B are two sets such that n(A) = 70, n(B) = 60, $n (A \cup B)$ = 110, then $n (A \cap B)$ is equal to

n (A) = 20

n (A \cup B) = 42

n (A \cap B) = 4

Let A and B be two sets such that n (A) = 20, n (A \cup B) = 42 and n (A \cap B) = 5 . Then, n (B - A) =

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