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8th Class Mathematics Rational Numbers Question Bank Rational Numbers

  • question_answer
    The sum of the additive inverse and 1 multiplicative inverse of \[\frac{1}{5}\] is _____.

    A)  \[\frac{24}{5}\]                                 

    B)  \[-\frac{24}{5}\]                   

    C)  \[25\]                          

    D)  \[-25\]

    Correct Answer: A

    Solution :

    Additive inverse of \[\frac{1}{5}\] is \[-\frac{1}{5}\] and multiplicative inverse of \[\frac{1}{5}\] is 5. So, their sum \[=\frac{-1}{5}+\frac{5}{1}=\frac{-1+25}{5}=\frac{24}{5}\].


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