10th Class Mathematics Real Numbers Question Bank MCQs - Real Numbers

  • question_answer
    If \[\frac{p}{q}\] is a rational number \[(q\ne 0)\] and \[HCF\,\,(p,q)=1,\]then what will be the condition on q so that the decimal form of \[\frac{p}{q}\] is terminating?

    A) \[q={{2}^{m}}\times {{5}^{n}}\]

    B) \[q={{2}^{m}}\times {{3}^{n}}\]

    C) \[q={{3}^{m}}\times {{5}^{n}}\]

    D) \[None\,\, of\,\, these\]

    Correct Answer: A

    Solution :

    Sol.      [a] \[q={{2}^{m}}\times {{5}^{n}}\] (m and n are non-negative integers)


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