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SSC Sample Paper SSC CGL - Sample Paper-15

  • question_answer
    Four bells ring at the intervals of 5, 6, 8 and 9 s. All the bells ring simultaneously at some time. They will again ring simultaneously after

    A) 6 min   

    B) 12 min

    C) 18 min             

    D) 24 min

    Correct Answer: A

    Solution :

    The LCM of 5, 6, 8 and 9 = 360 s = 6 min           


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