Multiple Choice Questions on There are two numbers which are greater than 21 and their LCM and HCF are 3003 and 21 respectively W........... for CDS Exam Preparation

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Multiple Choice Questions

There are two numbers which are greater than 21 and their LCM and HCF are 3003 and 21 respectively W...........

Quantitative Aptitude (CDS) LCM, HCF
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    There are two numbers which are greater than 21 and their LCM and HCF are 3003 and 21 respectively. What is the sum of these numbers?

    504

    Correct Answer

    508

    Incorrect Answer

    514

    Incorrect Answer

    528

    Incorrect Answer
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    Explanation:

    Let the numbers be x and y
    x*y = LCM *HCF xy = 21*3003 xy = 21* 273*11
    According to the question both the numbers are greater than 21, hence the two numbers are: xy = 231*(21*11),

    i.e. xy = 231*273

    ( x + y) = (231+273) = 504

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