Mathematics · LCM and HCF
Three bells make a beeping sound after every 48 seconds, 72 seconds and 108 seconds respectively. They beeped together at 10 AM. The time (hh : mm : ss) when they will next beep together at the earliest is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 110 : 07 : 36
- 210 : 07 : 24
- 310 : 07 : 12✓
- 410 : 07 : 48
Correct answer
10 : 07 : 12
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