Numbo the maths kitten
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Maths with Numbo
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Set Operations: Union, Intersection, Difference, Complement
4
questions
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Choose the best answer
1
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
{3}
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2
If A={1,2,3}, B={3,4,5}, what is A∩B?
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A
{3}
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B
{1,2,3,4,5}
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3
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
{4,8}
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4
What is the intersection of two sets?
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A
Members that are in both sets
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B
Members that are in either set
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