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

  • question_answer
                              The ratio between the LCM and HCF of 5, 15 and 20 is:

    A) \[9:1\]

    B) \[4:3\]

    C) \[11:1\]

    D) \[12:1\]

    Correct Answer: D

    Solution :

    Sol.      [d] LCM of\[\text{5,15,2}0=\text{6}0\]                               
    and        \[\text{HCF}=\text{5}\]
                 Ratio= 60:5=12:1


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