Let A = {1,2,3,4,5,6,7}. P={1,2}, Q = {3, 7}. Write the elements of the set R so that P, Q and R form a partition that results in equivalence relation.

{0}

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{ }

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{1,2,3,4,5,6,7}

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{4,5,6}

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Solution

The correct option is D
{4,5,6}

With the option (i) the sets P , Q and R will be pair wise disjoint and their Union would result in A

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