Let U = {1, 2, 3, 4, 5, 6, 7}, A = {1, 2, 3, 6}, B = {1, 2, 6, 7}, C = {3, 6, 7}. List all the members of the set.
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A. {2, 4, 6}
B. {1, 2, 6, 7}
C. {1, 2, 3, 6}
D. {4, 5, 6, 7}
E. {6}
Answer: D
Mathematics
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