Multiple Choice Questions on Set A 2 5 6 9 12 13 15 16 17 and set B 5 7 8 9 11 13 14 15 Find A B ........ for NDA Exam Preparation

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Multiple Choice Questions

Set A 2 5 6 9 12 13 15 16 17 and set B 5 7 8 9 11 13 14 15 Find A B ........

Mathematics (NDA) Set theory
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    Set A ={2,5,6,9,12,13,15,16,17,} and set B={5,7,8,9,11,13,14,15} .Find A-B?

    {7,8,12,13}

    Incorrect Answer

    {5,9,16,17}

    Incorrect Answer

    {2,6,12,16,17}

    Correct Answer

    None of these

    Incorrect Answer
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    Explanation:

    A ={2,5,6,9,12,13,15,16,17,}

    B={5,7,8,9,11,13,14,15}

     A-B set is all the elements which are only in A

     eliminate common element {2,6,12,16,17}

    A-B={2,6,12,16,17}

    By: bhavesh kumar singh
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