Mathematics · LCM and HCF
Three machines in a factory make a beep sound after finishing their cycle times. Machine A beeps every 18 seconds, Machine B beeps every 30 seconds, and Machine C beeps every 45 seconds. If they all beep together at 8:00:00 a.m., what will be the next time they all beep together?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 18:01:30 a.m.✓
- 29:02:30 a.m.
- 38:05:20 a.m.
- 48:03:50 a.m.
Correct answer
8:01:30 a.m.
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