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A = {1, 2, 3} B = {2, 3, 4, 5} A ∩ B = ?

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A = {1, 2, 3} B = {2, 3, 4, 5} A ∩ B = ? Answer: {2, 3}

Question context

This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the GHQ Army Selection & Recruitment Directorate (Civilian Personnel Wing) preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.