If A = {2, 4 , 6}, then the universal set of A is ___________ .

{x : x \in Z}

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None of the above.

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{x : x \in W}

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{x : x \in N}

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Solution

The correct option is D ${x : x \in N}$
Universal set is the set which contains all the sets under consideration as it subsets.
The elements 2, 4, 6 belong to the set of whole numbers (W), integers (Z), and natural numbers (N). Hence, the first three options are correct.

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If A = {1, 3, 5, ..... ,17}, B ={2, 4, 6, ..... ,18} and N, the set of natural numbers is the universal set, then $(A^{'} \cup [(A \cup B) \cap B^{'}])$ is

Q. If

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If ∪ = {2, 4, 6, 8, 10, 12, 14, 17}, where ∪ is Universal set and some set A = {1, 4, 6, 9, 11, 12}, then set A^C is ________.

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If A = {2, 4 , 6}, then the universal set of A is ___________ .

The correct option is D {x: x∈N}Universal set is the set which contains all the sets under consideration as it subsets. The elements 2, 4, 6 belong to the set of whole numbers (W), integers (Z), and natural numbers (N). Hence, the first three options are correct.

The correct option is D ${x : x \in N}$
Universal set is the set which contains all the sets under consideration as it subsets.
The elements 2, 4, 6 belong to the set of whole numbers (W), integers (Z), and natural numbers (N). Hence, the first three options are correct.