Mathematics · LCM and HCF
Three bells ring at intervals of 40 seconds, 60 seconds, and 120 seconds respectively. If they ring simultaneously at 9:11 AM, at what time will they next ring together?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 19:25 AM
- 210:00 AM
- 39:20 AM
- 49:13 AM✓
Correct answer
9:13 AM
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