Numbo the maths kitten
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Maths with Numbo
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Mock Exam 1: Sets Review
8
questions
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Choose the best answer
1
How do you write the set of English vowels in roster form?
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A
{a, e, i, o, u}
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B
{a, e, i, u}
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2
What symbol represents the empty set?
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A
∅
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B
Ω
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3
If A = {1,2} and B = {1,2,3,4}, is A a subset of B?
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A
Yes (A ⊆ B)
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B
No
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4
If A={1,2,3}, B={3,4,5}, what is A∪B?
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A
{1,2,3,4,5}
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B
{1,2,4,5}
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5
If A={1,2,3}, B={3,4,5}, what is A∩B?
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A
{3}
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B
{}
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6
If A={2,4,6,8}, B={4,8,12}, what is A-B?
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A
{2,6}
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B
{2,4,6}
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7
What type of set is the set of natural numbers?
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A
Infinite set
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B
Empty set
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8
What symbol are set members written inside?
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A
Curly braces { }
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B
Square brackets [ ]
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