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  3. 8th Class
  4. Mathematics

8th Class Mathematics Sample Paper Mathematics Sample Paper-7

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

    A) 225                

    B) 630

    C) 1000                   

    D)      370

    E) None of these

    Correct Answer: D

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