Mathematics · Time and Distance
Arvind and Chetan started running simultaneously from the same point in the same direction on a circular track of length 210 m. If Arvind takes 180 seconds to complete one round, and Chetan takes 420 seconds to complete one round, after how much time will they meet for the first time at the starting point on the track?
- 128 minutes
- 221 minutes✓
- 315 minutes
- 410 minutes
Correct answer
21 minutes
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