Multiple Choice Questions on Three numbers are in the ratio 6 8 10 and their LCM is 1200 Their HCF is ........ for SSC CGL Exam Preparation

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Multiple Choice Questions

Three numbers are in the ratio 6 8 10 and their LCM is 1200 Their HCF is ........

Quantitative Aptitude (CGL) LCM, HCF
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    Three numbers are in the ratio 6: 8: 10 and their LCM is 1200. Their HCF is

    40

    Incorrect Answer

    80

    Incorrect Answer

    10

    Correct Answer

    200

    Incorrect Answer
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    Explanation:

    Solution: Let the numbers be 6x, 8x and 10x.

    Then: Let the numbers be 6x, 8x and 10x. Then, their L.C.M. = 120x. So, 120x = 1200 or x = 10. The numbers are (6 x 10), (8 x 10) and (10 x 10) i.e. 60, 80, 100 Hence, required H.C.F. = 10.

    By: Parvesh Mehta
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