9th Class Mathematics Sample Paper Mathematics Sample Paper-5

  • question_answer By what number should \[{{\left( -\mathbf{15} \right)}^{-\mathbf{1}}}\] be divided so that the quotient may be \[{{\left( \frac{5}{9} \right)}^{-1}}\]?

    A) \[\frac{1}{27}\]             

    B)  \[\frac{-1}{27}\]

    C) \[\frac{1}{9}\]              

    D) \[\frac{-1}{9}\]

    E) None of these                                                            

    Correct Answer: B


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