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6th Class Mental Ability Related to Competitive Exam Question Bank LCM and HCF

  • question_answer
                            Four bells begin to toll together at intervals of 5, 6, 8 and 12 seconds respectively. How many times will they toll together in an hour excluding the one at the start?

    A)  30                  

    B)  20                  

    C)    10                  

    D)  16      

    Correct Answer: A

    Solution :

    Not Available          


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