Mathematics · LCM and HCF
Traffic lights at three different road crossings change after 24 seconds, 36 seconds and 54 seconds, respectively. If they all change simultaneously at 10:15:00 a.m., then at what time will they change simultaneously again?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 101:03:00 p.m.
- 212:03:00 a.m.
- 310:32:36 a.m.
- 410:18:36 a.m.✓
Correct answer
10:18:36 a.m.
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