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7th Class Mathematics Integers Question Bank Number System

  • question_answer
    What will be the additive inverse of A if A=\[\frac{3}{5}-\frac{4}{27}+\frac{5}{18}\]

    A)  \[\frac{127}{270}\]                              

    B)  \[\frac{270}{127}\]           

    C)  \[\frac{-197}{270}\]

    D)  \[\frac{270}{197}\]

    Correct Answer: C

    Solution :

    (c) \[A=\frac{162-40+75}{270}=\frac{197}{270}\] Additive inverse = \[\frac{-197}{270}.\]                           


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