Sets X = {6, 7, 8, 9} and Y = {5, 6, 7} are the subsets of universal set U = {4, 5, 6, 7, 8, 9}.
(a) Write the improper and proper subsets of set Y. [1A]
(b) Show the sets X, Y and U in a Venn-diagram. [2A]
(c) Write the set of common elements in sets X and Y. [1U]
Sets X = {6, 7, 8, 9} and Y = {5, 6, 7} are the subsets of universal set U = {4, 5, 6, 7, 8, 9}.
(a) Write the improper and proper subsets of set Y. [1A]
(b) Show the sets X, Y and U in a Venn-diagram. [2A]
(c) Write the set of common elements in sets X and Y. [1U]
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