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Solve the Problem  If n(A)=25,n(AB)=73, and n(AB)=21, find n(B)\text { If } n ( A ) = 25 , n ( A \cup B ) = 73 \text {, and } n ( A \cap B ) = 21 \text {, find } n ( B ) \text {. }

Question 29

Multiple Choice

Solve the problem.
-  If n(A) =25,n(AB) =73, and n(AB) =21, find n(B) \text { If } n ( A ) = 25 , n ( A \cup B ) = 73 \text {, and } n ( A \cap B ) = 21 \text {, find } n ( B ) \text {. }


A) 69
B) 68
C) 48
D) 70

Correct Answer:

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