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7th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-20

  • question_answer
    Evaluate: \[{{\left[ \frac{{{x}^{5y-5}}\times {{x}^{5-2y}}}{{{x}^{4y-6}}\times {{x}^{2y-9}}} \right]}^{\frac{-4}{3}}}\]

    A)  \[{{x}^{3y+15}}\]                 

    B)  \[{{x}^{4y+18}}\]

    C)  \[{{x}^{4y-20}}\]

    D)  \[{{x}^{13-3y}}\]

    E)  None of these

    Correct Answer: C

    Solution :

     Not Available               


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