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Let n(U) = 700 , n (A) = 200 , n (B) = 3...

Let n(U) = 700 , n (A) = 200 , n (B) = 300 and `n (A nn B)` =100, then `n(A' nn B')`=

A

90

B

40

C

10

D

20

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The correct Answer is:
C
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