9th Class Mathematics Number System and its Operations Question Bank Number Systems

  • question_answer
    If\[p=3\]and\[q=5\], find the value of\[{{\left( \frac{1}{p}+\frac{1}{q} \right)}^{p}}\].

    A)  \[\frac{3375}{512}\]     

    B)         \[\frac{512}{3375}\]     

    C)         \[\frac{512}{225}\]                  

    D)         \[\frac{64}{225}\]                    

    Correct Answer: B

    Solution :

    \[{{\left( \frac{1}{p}+\frac{1}{q} \right)}^{p}}={{\left( \frac{1}{3}+\frac{1}{5} \right)}^{3}}={{\left( \frac{5+3}{15} \right)}^{3}}\] \[={{\left( \frac{8}{15} \right)}^{3}}=\frac{512}{3375}\]


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