Mathematics · LCM and HCF
The traffic lights at three different road crossings change after every 48 seconds, 72 seconds, and 108 seconds respectively. If they all change simultaneously at 08:20:00 hours, then at what time will they again change simultaneously?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 108:25:12 hours
- 208:27:12 hours✓
- 309:25:12 hours
- 408:30:15 hours
Correct answer
08:27:12 hours
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