Mathematics · Time, Speed and Distance
P and Q jog along a circular track of 400 m in opposite directions, starting together from the same point with speeds of 10 m/s and 40 m/s respectively. Whenever they meet, P's speed is doubled and Q's speed is halved. After how much time from the start will they meet for the third time?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 318 seconds
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Correct answer
26 seconds
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