Mathematics · LCM and HCF
The traffic lights at two different road crossings change after every 54 seconds and 76 seconds, respectively. If they change simultaneously at 10:15:00 hours, then at what time will they change simultaneously again?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 110:52:34 hours
- 210:49:12 hours✓
- 310:59:12 hours
- 410:34:12 hours
Correct answer
10:49:12 hours
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