SOLUTION: Four bells ring at intervals of 6,8,12 and 20 minuts. They ring simultaneously at 10 a.m.At what time they will ring again?

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Question 1095953: Four bells ring at intervals of 6,8,12 and 20 minuts. They ring simultaneously at 10 a.m.At what time they will ring again?
Answer by ikleyn(52810) About Me  (Show Source):
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Four bells ring at intervals of 6,8,12 and 20 minuts. They ring simultaneously at 10 a.m.At what time they will ring highlight%28simultaneously%29 again?
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The least common multiple (LCM) of these numbers is 8*3*5 = 120.


Answer.  In 2 hours, i.e. at midday.