On a 600 m track, Arjun runs clockwise at 4 m/s from the start, while Chitra starts from the diametrically opposite point and runs clockwise at 5 m/s. After how many seconds is Chitra first level with Arjun?

Question

Accepted Answer

300 s. Chitra is half a lap, 300 m, behind Arjun (and 300 m ahead). Closing at 5-4=1 m/s she draws level after 300 s.

On a 600 m track, Arjun runs clockwise at 4 m/s from the start, while Chitra starts from the diametrically opposite point and runs clockwise at 5 m/s. After how many seconds is Chitra first level with Arjun?

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