Two athletes start together from the same point on a 600 m circular track and run in opposite directions at 4 m/s and 6 m/s. After how many seconds do they first meet?
Correct answer C. 60 seconds
Explanation
Running in opposite directions, their relative speed is 4 + 6 = 10 m/s. They first meet after 600 / 10 = 60 seconds.
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