The union of the complements of even and odd numbers gives all numbers in the universal set, because every number is either even or odd.
If ∪ = set of natural numbers up to 15, A = set of even numbers up to 15 and B = set of odd numbers up to 15, then find A' ∪ B'?
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Question context
This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the ETEA Educational Testing and Evaluation Agency preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.