Math, asked by royalkings278, 9 months ago

Three hours ring at an interval of 48,72 and 108 seconds.If they start ringing at 7 am, when will they start next time.

Answers

Answered by Anonymous

0

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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