8th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-9

  • question_answer
    What will be left when \[\frac{9}{2}+\frac{x}{2}+\frac{3}{5}{{x}^{2}}+\frac{7}{4}{{x}^{3}}\] is taken from \[-\,\,\frac{7}{2}\,\,-\,\,\frac{x}{2}\,\,-\,\,\frac{{{x}^{2}}}{5}?\]

    A)  \[1-\,\,\frac{5}{6}\,\,x\,\,-\,\,\frac{4}{5}\,\,{{x}^{2}}\,-\,\,\frac{7}{4}\,\,{{x}^{3}}\]

    B)  \[2\,\,+\,\,\frac{2}{3}\,\,x\,\,+\,\,\frac{5}{2}\,\,{{x}^{2}}+\,\,\frac{6}{5}\,\,{{x}^{3}}\]

    C)  \[1\,\,-\,\,\frac{x}{3}\,\,+\,\,\frac{6}{7}\,\,{{x}^{2}}-\,\,\frac{7}{4}\,\,{{x}^{3}}\]                               

    D)  \[1\,\,+\,\,2x\,\,-\,\,\frac{6}{11}\,\,{{x}^{2}}+\,\,\frac{2}{3}\,\,{{x}^{3}}\]

    E)  None of these

    Correct Answer: E


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