New Register for Workshop on How to start for NABARD 2025 (Stepwise Plan) - Apr 26, 7 PM

    Question

     In two alarm clocks, alarms sound at regular intervals

    of 90 seconds and 44 seconds. If they ring for the first time at 6:00 PM, when will they next ring together?
    A 6:35 pm Correct Answer Incorrect Answer
    B 6:34 pm Correct Answer Incorrect Answer
    C 6:36 pm Correct Answer Incorrect Answer
    D 6:33 pm Correct Answer Incorrect Answer

    Solution

    According to the question, LCM of 90 seconds and 44 seconds is 1980 to 1980 /60 = 33 minutes, hence both the clocks will strike simultaneously at 6:33 p.m. But

    Practice Next

    Relevant for Exams: