Four bells toll at intervals of 8, 9, 12 and 15 minutes respectively. If they toll together at 3 p.m., when will they toll together next?
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Answer:
9 p.m
Step-by-step explanation:
Start with the L.C.M of 8,9,12, and 15
=360 minutes
Next step
Change 360 to hours
360/60=6 hours
Add 3:00 + 6 hours
=9:00 p.m
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