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    Question

    The LCM of two numbers is 4 times of their HCF. The sum

    of LCM and HCF is 350. If one of the number is 200, then the other number is:
    A 98 Correct Answer Incorrect Answer
    B 70 Correct Answer Incorrect Answer
    C 66 Correct Answer Incorrect Answer
    D 54 Correct Answer Incorrect Answer

    Solution

    LCM = 4 HCF HCF＋4HCF = 350 5HCF = 350 HCF = 70 LCM = 4 × 70 = 280 Second number = (LCM × HCF)/First number => (280 × 70)/200 => 98

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