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Multiple Choice Questions

If a b 5 and ab 3 then is equal to ........

Quantitative Aptitude (CGL) Algebra
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    If a + b = 5 and ab = 3, then \left ( a^{3} + b^{3}\right ) is equal to:

    This questions was previously asked in
    SSC CGL 11 June 2019 Shift-1
    View All ssc Previous Year Papers

    80

    Correct Answer

    70

    Incorrect Answer

    75

    Incorrect Answer

    65

    Incorrect Answer
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    Explanation:

    Given that, an

    a + b = 5 ab = 3 

    Now a + b = 5

    squaring both side,

    By: santosh
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