Sets in Mathematics
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Questions and Answers

What is the symbol used to represent the empty set?

  • NULL
  • ∅
  • {}
  • Ø (correct)

    • Which of the following sets is an example of an infinite set?

  • {}
  • {a, b, c}
  • {1, 2, 3, ...} (correct)
  • {1, 2, 3}

    • What is the result of the union of two sets A = {a, b, c} and B = {b, c, d}?

  • {a, b, c, d} (correct)
  • {a, b, c, d, e}
  • {a, d}
  • {b, c}

    • Which of the following is an example of equal sets?

    <p>{1, 2, 3} and {2, 1, 3}</p> Signup and view all the answers

    What is the intersection of two sets A = {1, 2, 3, 4} and B = {0, 2, 3, 4, 7}?

    <p>{2, 3, 4}</p> Signup and view all the answers

    What is the difference between two sets A = {1, 2, 3} and B = {2, 3, 4}?

    <p>{1}</p> Signup and view all the answers

    What is the rule form of the set {1, 2, 3}?

    <p>{x | x is a natural number less than 4}</p> Signup and view all the answers

    What is the universal set of A = {1, 2, 3} and B = {3, 4, 5}?

    <p>{1, 2, 3, 4, 5}</p> Signup and view all the answers

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