Mathematics · LCM and HCF
Four different mobile devices emit a beep sound after every 30 min, 45 min, 1 h, and 12 h respectively. If all the mobiles beeped together at 10:45 a.m., at what time will they next beep together?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11:45 p.m.✓
- 22:45 p.m.
- 33:45 p.m.
- 44:45 p.m.
Correct answer
1:45 p.m.
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