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Seven bells ring at intervals of 2, 3,4,6, 8,9 and 12 minutes respectively. They started ringingsimultaneously at 4 a m What will he the next time when they all ring simultaneously? |
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Answer» The next time when all bells ring simultaneously can be found by taking LCM of 2,3,4,6,8,9,12LCM=72After 72 minutes the bells will ring simultaneously.(i.e) They will ring simultaneously at 5.12 am5 hrours12 minutes |
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