8th Class Mathematics Rational Numbers Question Bank Numbers

  • question_answer
    Simplify \[{{(32)}^{\frac{-2}{5}}}\div {{(125)}^{\frac{-2}{3}}}\]

    A)  \[\text{A}-\left( \text{q} \right),\text{B}-\left( \text{r} \right),\text{C}-\left( \text{s} \right),\text{D}-\left( \text{p} \right)\]                        

    B)  \[\left( \text{d} \right)~~\text{A}-\left( \text{r} \right),\text{B}-\left( \text{s} \right),\text{C}-\left( \text{p} \right),\text{D}-\left( \text{q} \right)\]

    C)  \[H.C.F\times L.C.M.=a\times b\]                             

    D)  \[\text{=}\frac{\text{HCF of a and b}}{\text{a }\!\!\times\!\!\text{ b}}\]

    Correct Answer: B

    Solution :

     \[\sqrt{4}=2\]


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