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8th Class Mathematics Rational Numbers Question Bank Rational Numbers

  • question_answer
    If \[a=7,\] then the value of \[-\left( \frac{1-2a}{a-5} \right)\] is____.

    A)  \[-\frac{13}{2}\]                   

    B)  \[-\frac{15}{2}\]                   

    C)  \[\frac{13}{2}\]                                 

    D)  \[\frac{15}{2}\]         

    Correct Answer: C

    Solution :

    We have, \[a=7\] So, \[-\left( \frac{1-2a}{a-5} \right)=-\left( \frac{1-14}{7-5} \right)=\frac{13}{2}\]


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