9th Class General Knowledge Analytical Reasoning Question Bank Quantitative Aptitude and Logical Reasoning

  • question_answer
    Four different electronic devices make a beep after every 30 minutes, 1 hour, \[1\frac{1}{2}\] hour and 1 hour 45 minutes respectively. All the devices beeped together at 12 noon. They will again beep together at:

    A)  12 midnight

    B)  3 a.m.

    C)  6 a.m.

    D)  9 a.m.

    Correct Answer: D


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