Given the sets A={1,3,5},B={2,4,6} and C={0,2,4,6,8}, which of the following may be considered as universals set (s) for all the three sets A,B and C. {1,2,3,4,5,6,7,8}
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Solution
A⊂{1,2,3,4,5,6,7,8} B⊂{1,2,3,4,5,6,7,8} However, C⊄{1,2,3,4,5,6,7,8} Therefore, the set {1,2,3,4,5,6,7,8} cannot be the universal set for the sets A,B and C.