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If n(A) = 7 a...

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If n(A) = 7 and n(A ∩ B) = 3, then n[(A ∩ B)' ∩ A] is

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A \subset B, n (A) = 5

n (B) = 7

n (A \cup B) =

n (A) = 15, (A \cup B) = 29, n (A \cap B) = 7

n (B) =

n (A) = 5, n (B) = 7

be two sets having

3

elements in common then

n ((A \times B) \cap (B \times A)) =

n (A)

denotes the number of elements in set

A

n (A) = 4, n (B) = 5

n (A \cap B) = 3

n [(A \times B) \cap (B \times A)]

Let $n (A - B) = 25 + x$ , $n (B - A) = 2 x$ and $n (A \cap B) = 2 x$ . If n(A) = 2(n(B)) then 'X' is

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