Question

If n (universal set)=40, n(A)=25,n(B)=12 and n(AU B)' =8. Find n(A U B)​

Answer 1

Answer:

32

Step-by-step explanation:

n(A U B)+ n(A U B)'= 40

n(A U B)+ 8= 40

n(A U B)=32

Answer 2

Answer:

n(A U B) + n (A U B)'=40

n(A U B) + 8= 40

n(A U B)=32

32

Step-by-step explanation:

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