Discussion
If A = {2, 4, 6} and B = {1, 3, 5}, then A and B are:
Answer: D
Disjoint sets: Two sets are disjoint if they have no elements in common. A ∩ B = ∅. This is true here.
Equivalent sets: Two sets are equivalent if they have the same number of elements (same cardinality). n(A) = 3 and n(B) = 3. This is also true.
Equal sets: Two sets are equal if they contain the exact same elements. This is false.
Since both B and C are correct statements, the answer is D.
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