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Mathematics 7 Online
OpenStudy (anonymous):

5 bells ring at intervals of 3, 6, 18, 24 and 36 seconds respectively. in 30 minutes, how many times do they ring together

OpenStudy (raden):

hint : u have to determine the LCM of (3, 6, 18, 24 and 36) = ...

OpenStudy (raden):

in second

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