Church bells in 3 churches ring at intervals of 10, 12 and 15 minutes. If they ring together at 8:30 a.m., when will they ring together again?
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first find the LCM of 10,12 and 15 which is 60.
NOW, the bell will again ring after 60 minutes or 1 hour means at 9:30 a.m.
NOW, the bell will again ring after 60 minutes or 1 hour means at 9:30 a.m.
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Answer:9:30a.m.
Step-by-step explanation:
LCM of 12,10,15=60
so after 60 minutes at 9:30 they rang together
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