Mathematics · LCM and HCF
Four different electronic devices make a beep after every 30 minutes, 1 hour, 112 hours, and 1 hour 45 minutes respectively. All the devices beeped together at 12 noon. At what time will they next beep together?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 111 PM the same day
- 23 AM the next day
- 36 AM the next day
- 49 AM the next day✓
Correct answer
9 AM the next day
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