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8th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-13

  • question_answer
    If \[x+y=4\] and \[\frac{1}{x}+\frac{1}{y}=4\], then the value of \[{{x}^{3}}+{{y}^{3}}\]is

    A)  64                               

    B)  4

    C)  25                               

    D)  52

    E)  None of these

    Correct Answer: D

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