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7th Class Mathematics Decimals and Fractions Question Bank Fractions and Decimals

  • question_answer
    If the LCM of three numbers is 9570, then their HCF is

    A)  11                              

    B)  12                  

    C)  19                  

    D)         21

    Correct Answer: A

    Solution :

    LCM of three numbers =9570 As HCF is always a factor of LCM \[\therefore \] LCM must be completely divisible by HCF Here, 9570 is completely divisible by 11 only. \[\therefore \] 11 is HCF of three numbers.


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