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5th Class Mathematics Question Bank Mathematics Mock Test-15

  • question_answer
    A set of warning lights flashes every 3 seconds, another set flashes every 5 seconds and third set flashes every 8 seconds. If they all flash together at 12:00 noon, at what time will they flash together again?

    A)  12: 01 p.m.        

    B)         12: 02 p.m.

    C)  12: 06 p.m.        

    D)         12: 15 p.m.

    Correct Answer: B

    Solution :

    Not Available


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