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Question 410001
JEE Mathematics · Easy

Sets, Relations and Functions: Set operations MCQ

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Set operationsEasyQuestion 410001

Question

A ∪ B represents:
  1. A
    All elements in A or B (or both)
    Correct
  2. B
    All elements common to A and B
  3. C
    Elements in A but not B
  4. D
    Elements not in A or B

Correct answer

All elements in A or B (or both)

Explanation

Union A ∪ B = {x: x ∈ A or x ∈ B}. Intersection A ∩ B = {x: x ∈ A and x ∈ B}. Difference A − B = {x: x ∈ A and x ∉ B}.

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