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

  • question_answer
    The LCM of \[2.5,\]\[0.5\]  and \[0.\text{175}\] is: 

    A) \[2.5\]

    B) 5

    C) \[7.5\]

    D) \[17.5\]

    Correct Answer: D

    Solution :

    Sol.      [d] LCM of rational number
                \[=\frac{\text{LCM of numerators}}{\text{GCD of denominators}}\]
    Numbers are \[\frac{25}{10},\frac{5}{10},\frac{175}{1000}\]
    \[\therefore \,\,\,\,\,\,\,\,\,\,LCM=\frac{175}{10}=17.5\]


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