Given the universal set x-x- N - 10-x-15 -List the elements for A-x-x-10

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Given the uni...

Question

Given the universal set ${x : x$ \epsilon $N, 10 < x < 15}$ .List the elements for $A = {x : x < 10}$

{14, 15, 16, 18, 19, 20}

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{14, 15, 16, 18, 19}

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{12, 13}

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Null set

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Solution

The correct option is D Null set
Since the universal set contains the elements $11, 12, 13, 14$ only
But the set $A$ has the elements which are less than $10$
which clearly does not belong to the universal set
Hence the set A is a null set (It has no elements)

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Given the universal set {x:x\epsilonN,10<x<15} .List the elements for A={x:x<10}

The correct option is D Null setSince the universal set contains the elements 11,12,13,14 onlyBut the set A has the elements which are less than 10which clearly does not belong to the universal set Hence the set A is a null set (It has no elements)

Given the universal set ${x : x$ \epsilon $N, 10 < x < 15}$ .List the elements for $A = {x : x < 10}$

The correct option is D Null set
Since the universal set contains the elements $11, 12, 13, 14$ only
But the set $A$ has the elements which are less than $10$
which clearly does not belong to the universal set
Hence the set A is a null set (It has no elements)