If n A -50- n A - B -80- n A - B -30- then n B - A -A- 20B- 30- 40D- 23

The correct option is B 30n(A ∪ B) = n(A) + n(B) – n(A ∩ B) ⇒ n(B) = 80 + 30 − 50 = 60 ∴ n(B – A) = n(B) – n(A ∩ B) = 60 − 30 = 30 ...

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Difference of Two Sets

If n A =50, n...

Question

If $n (A) = 50, n (A \cup B) = 80, n (A \cap B) = 30$ , then $n (B - A) =$

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Similar questions

n (A) = 50, n (A \cup B) = 80, n (A \cap B) = 30

n (B - A) =

n (A) = 50, n (B) = 20, n (A \cap B) = 10,

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n ((A \cup B)^{'})

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n (A) = 50, n (B) = 60, n (A \cap B) = 20

n (A^{'} \cap B^{'}) =

n (A) = 50, n (B) = 20, n (A \cap B) = 10,

n (A Δ B) =

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