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8th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-4

  • question_answer
    If\[x+y=10\], and \[{{x}^{2}}+{{y}^{2}}=58,\]then the value of \[{{x}^{3}}+{{y}^{3}}\] is________.

    A)  625                             

    B)  628

    C)  790                             

    D)  820

    E)  None of these

    Correct Answer: E

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