Mathematics · LCM and HCF
There are three traffic intersections on a route. The signals at these intersections change every 48 seconds, 72 seconds, and 108 seconds respectively. If all three signals change simultaneously at exactly 8:20:00, at what time will they change together next?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 28:36:28
- 38:43:48
- 48:27:12✓
Correct answer
8:27:12
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