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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?

{1, 2, 3} and {2, 1, 3} (C) 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}?

{2, 3, 4} (A) Signup and view all the answers

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

{1} (C) Signup and view all the answers

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

{x | x is a natural number less than 4} (A) Signup and view all the answers

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

{1, 2, 3, 4, 5} (C) Signup and view all the answers