Mathematics · LCM and HCF
Four bells ring at intervals of 8, 12, 16, and 28 seconds respectively. If they start ringing simultaneously at 1:00 AM, at what time will they next ring simultaneously?
- 12:03:23 AM
- 22:02:36 AM
- 31:05:36 AM✓
- 41:05:48 AM
Correct answer
1:05:36 AM
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