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    Question

    The LCM of two numbers is 3 times of their HCF. The sum

    of LCM and HCF is 240. If one of the number is 200, then the other number is:
    A 75 Correct Answer Incorrect Answer
    B 42 Correct Answer Incorrect Answer
    C 66 Correct Answer Incorrect Answer
    D 54 Correct Answer Incorrect Answer

    Solution

    LCM = 3 HCF HCFя╝Л3HCF = 240 4HCF = 240 HCF = 60 LCM = 3┬а├Ч┬а60 = 180 Second number = (LCM┬а├Ч┬аHCF)/First number => (180 ├Ч┬а60)/200 => 54

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