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7th Class Mental Ability Numbers Question Bank Number System

  • question_answer
    The difference of additive inverse of -35 and multiplicative inverse of \[\frac{\mathbf{1}}{\mathbf{-27}}\] is which of the following?

    A) 62                  

    B) -8

    C) 8                     

    D) -62

    E) None of these

    Correct Answer: B

    Solution :

    Explanation The additive inverse of - 35 is 35. Similarly, the multiplicative inverse of \[\frac{1}{-27}\,\,is\,\,-27\]. Thus, the required sum \[=-\,35 - \left( -\,27 \right) =-\,8.\]


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