Mathematics · Speed, Time and Distance
P, Q, R, and S start from the same point to walk in the same direction around a circular path of circumference 1 km. P walks at 5 km/h, Q at 4 km/h, R at 7 km/h, and S at 11 km/h. How long will it take all four to meet again at the starting point?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13 hours
- 22 hours
- 31 hour✓
- 44 hours
Correct answer
1 hour
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