Question

n(U)=75
n(A)=37
n(B)=45


Find:-
n(A’)
n(B’)




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Answer 1

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Answer 2

Answer:

Given,

n(U) = 75

n(A) =37

n(B) =45

n(A') = n(U) - n(A)

= 75-37

= 38

n(B') = n(U) - n(B)

= 75 - 45

= 30