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8th Class Mathematics Rational Numbers Question Bank Rational Numbers

  • question_answer
    If \[\frac{(-3)}{x}=\frac{x}{(-27)},\]'what is the Positive value of y?

    A)  \[-9\]                   

    B)                         \[9\]                    

    C)                         \[-81\]                               

    D)                         \[8\]

    Correct Answer: B

    Solution :

    \[\frac{(-3)}{x}=\frac{x}{(-27)}\Rightarrow {{x}^{2}}=81\,\,\Rightarrow \,x=9\]


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