8th Class Mathematics Rational Numbers Question Bank Numbers

  • question_answer
    If A and B are real numbers and\[\frac{5}{109}\], then:

    A)  \[\left[ {{\left( \frac{1}{4} \right)}^{2}}-{{\left( \frac{1}{4} \right)}^{3}} \right]\times {{2}^{6}}\]                   

    B)  \[\frac{p}{q}={{\left( \frac{2}{3} \right)}^{3}}\div {{\left( \frac{3}{2} \right)}^{-3}}\]

    C)  \[{{\left( \frac{p}{q} \right)}^{-10}}=\_\_\_\_\_\_\_\_\]         

    D)  \[x*y=\sqrt{{{x}^{2}}+{{y}^{2}}}\]

    Correct Answer: C

    Solution :

    \[0.74\overline{35}=\frac{7435-74}{9900}=\frac{7361}{9900},\] \[W=N\cup \{0\}\] \[N\subseteq W\] \[0\in W\]        


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