Let n A - B - 25 - X- nB - A - 2X and nA - B - 2X- If nA - 2nB- then X is

⇒ n(A) = 25 + 3X n(B) = 4X ∴ n(A) = 2(n(B)) ⇒ 25 + 3X = 8X ⇒ X = 5 ...

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Let n A – B =...

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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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