Mathematics MCQs

Practice multiple choice questions with instant feedback. Select an option to see if you're correct.

Total Questions

800

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Question 131 Easy

What is \\( A \\cup A^c \\) if \\( U = \\{1, 2, 3\\} \\) and \\( A = \\{1, 2\\} \\)?

{1, 2, 3}

{1, 2}

{3}

∅

Question 132 Easy

Which is a superset of \\( \\{a\\} \\)?

{a, b}

{b}

∅

{a}

Question 133 Easy

If \\( A = \\{1, 3, 5\\} \\) and \\( B = \\{2, 4, 6\\} \\), what is \\( A \\cap B \\)?

∅

{1, 2, 3, 4, 5, 6}

{1}

{2}

Question 134 Easy

Which is the correct roster form of "Set of vowels"?

{a, e, i, o, u}

{b, c, d}

{1, 2, 3}

{+, -, ×}

Question 135 Hard

What is \\( A \\times B \\) if \\( A = \\{1\\} \\) and \\( B = \\{2\\} \\)?

{(1,2)}

{1, 2}

{2, 1}

∅

Question 136 Easy

Which is a finite set?

{1, 2, 3}

{1, 2, 3, ...}

{x | x ∈ N}

{x | x ∈ Z}

Question 137 Hard

If \\( A = \\{1, 2\\} \\) and \\( B = \\{2, 3\\} \\), what is \\( A \\Delta B \\) (symmetric difference)?

{1, 3}

{2}

{1, 2, 3}

∅

Question 138 Medium

Which is an infinite set?

{1, 2, 3}

{1, 2, 3, ...}

∅

{a, b}

Question 139 Hard

What is \\( A \\cup (B \\cap C) \\) if \\( A = \\{1\\}, B = \\{1, 2\\}, C = \\{2, 3\\} \\)?

{1, 2}

{1}

{2}

{1, 2, 3}

Question 140 Easy

Which is the complement of \\( U \\)?

∅

{0}

{1}

Showing 131-140 of 800 questions

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Total Questions 10900

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medium 2983

hard 2120

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