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Direction: If U = (1,3,5,7,9, 11, 13), then which of the following are subsets of U. Write /(check) if it is a subset of U and X(wrong) if not..
1. A = {0)
2. B = (2,4)
3. C = (1,9,5, 13)
4. D = {5, 11, 1)
5. E= {13,7,9,11,5,3,1)​