Question

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Answer 1

Answer

Four bells ring at intervals of 3 7 12 and 14 seconds respectively. At what time will they ring together if they start ringing at 7 a.m. full solution answer

LCM of 3, 7, 12, 14 = 84(2 * 2 * 3 * 7)

LCM of 3 = 3

LCM of 7 = 7

LCm of 12 = 2*2*3

LCM of 14 = 2*7

So, 84 minutes = 60 + 24

= 1hr 24 minutes.

Given 7 a.m add 1 hr 24 minutes to it, we get

= 8.24 AM

Hope this helps!