Mathematics · LCM and HCF
Four runners started running simultaneously from a point on a circular track. They took 400 seconds, 600 seconds, 720 seconds and 900 seconds to complete one round. After how much time will they meet at the starting point for the first time since the race started?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 14200 seconds
- 22400 seconds
- 33600 seconds✓
- 41800 seconds
Correct answer
3600 seconds
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