Three hours are played at intervals of 48, 72 and 108 seconds. If it rings together at 7:00 am, when will it ring together next time? please answer fast please
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Answer:
7hr 25mins and 2 sec
Step-by-step explanation:
LCM of 48 , 72 and 108 = 1512 sec
= 25.2 min
Next time = 7hr + 25.2 min
= 7hr 25mins and 2 sec
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