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    Question

    The greatest number, which when subtracted from 978,

    gives a number exactly divisible by each of 12, 18, 20 and 24, is:
    A 618 Correct Answer Incorrect Answer
    B 560 Correct Answer Incorrect Answer
    C 486 Correct Answer Incorrect Answer
    D 474 Correct Answer Incorrect Answer

    Solution

    LCM of 12, 18, 20, 24 = 360 Required number = 978 – 360 = 618

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