three bells ring at intervals of 48 seconds 60 seconds in 90 seconds respectively if all the three bells ring together at 10:00 a.m. at what time will the three bells ring together again that day
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Lcm ( 48,60,90) = 720 ie they all ring after 720 seconds ie 720/60= 12 minute.. ie 10:12 a.m ans.
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