Question

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

    of LCM and HCF is 320. If one of the number is 256, then the other number is:
    A 98 Correct Answer Incorrect Answer
    B 70 Correct Answer Incorrect Answer
    C 64 Correct Answer Incorrect Answer
    D 50 Correct Answer Incorrect Answer

    Solution

    LCM = 4 HCF HCF+4HCF = 320 5HCF = 320 HCF = 64 LCM = 4 × 64 = 256 Second number = (LCM × HCF)/First number => (256 × 64)/256 => 64

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