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10th Class Mathematics Number System and its Operations Question Bank Number System

  • question_answer
    If \[P=1\cdot 3\cdot 5\cdot 7.............\,21\] and\[Q=2\cdot 4\cdot 6\cdot 8\cdot 10\,............\,22\] then HCF of P and Q is ________

    A) 12375                                                  

    B) 14175       

    C) 825                                                                  

    D) 925

    E) None of these

    Correct Answer: B

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