4 Bells

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Four bells ring at intervals of 2, 8, 7 and 11 seconds. 

If they are all rung at the same time, how many seconds will pass before they all ring at the same time again?



Comments

  1. Anonymous19 April 2021 at 18:46

    To find this, you need the LCM of 2, 7, 8, 11. This would be 616 which gives you your answer:

    616

    ReplyDelete

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