# A bell rings every 5 minutes. A second bell rings every 6 minutes and if the two bells rang at the same time in the morning , then the next time they will ring together at at

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by tbbagchi

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by tbbagchi

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You use lowest common multiple to find the next time

Prime Factorisation method:

LCM: 3x3x5=45(ans)

Prime Factorisation method:

LCM: 3x3x5=45(ans)