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

  • question_answer
    If p and q are positive integers such that \[p=a{{b}^{2}}\]and \[q={{a}^{3}}b\]where a, b are prime numbers, then HCF \[(p,q)=\]

    A) \[ab\]

    B) \[{{a}^{2}}{{b}^{2}}\]

    C) \[{{a}^{3}}{{b}^{2}}\]

    D) \[{{a}^{3}}{{b}^{3}}\]

    Correct Answer: A

    Solution :

    Sol.      [a] \[HCF\,\,(p,q)=HCF(a{{b}^{2}},{{a}^{3}}b)=ab.\]


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