Mathematics · LCM and HCF
Three people start walking around a circular arena from the same place at the same time in the same direction. The first person completes a full cycle in 120 seconds, the second in 150 seconds, and the third in 80 seconds. After how much time will all three people meet again at the starting point?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11 minute 40 seconds
- 22 minutes 30 seconds
- 32 minutes 20 seconds
- 420 minutes✓
Correct answer
20 minutes
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