Mathematics · LCM and HCF
D, E, and F start together at the same point and run in the same direction around a circular stadium. D completes one round in 200 seconds, E completes one round in 120 seconds, and F completes one round in 240 seconds. After how many minutes will they all be together again at the starting point?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 112 minutes
- 242 minutes
- 360 minutes
- 420 minutes✓
Correct answer
20 minutes
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