The Venn diagram shows a universal set $$\(\mathscr{E}\)$$ and three sets $$\(A, B\)$$ and $$\(C\)$$. $$\(6,3,8,2,5\)$$ and 4 represent the numbers of elements. Find (i) $$\(\mathrm{n}(A \cup B)\)$$ ................................................. (1) (ii) $$\(\mathrm{n}(A \cap C)\)$$ .................................................. (1) (iii) $$\(\mathrm{n}\left(B \cap C^{\prime}\right)\)$$ .................................................. (1) (iv) $$\(\mathrm{n}\left(A^{\prime} \cup B^{\prime} \cup C^{\prime}\right)\)$$ .................................................. (1)

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