Multiple Choice Questions on Find the LCM of 25 7 15 28 20 21 ........ for RRB(NTPC) Exam Preparation

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Multiple Choice Questions

Find the LCM of 25 7 15 28 20 21 ........

Quantitative Aptitude (RRB NTPC) LCM, HCF
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    Find the LCM of 25/7, 15/28, 20/21.

    300/7

    Correct Answer

    300

    Incorrect Answer

    320/23

    Incorrect Answer

    320

    Incorrect Answer
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    Explanation:
    LCM of(25/7, 15/28, 20/21)
    is (LCM of (25,15,20)/(HCF of 7,28,21)
    =300/7

    By: Barka Mirza
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