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Punit, Netra and Nishka start running around a circular track and complete one round in 18, 20 and 15 seconds respectively. In how many

Punit, Netra and Nishka start running around a circular track and complete one round in 18, 20 and 15 seconds respectively. In how many seconds will the three meet again at the starting point if they all have started running at the same time? 1. 360 180 3. 270 4. Cannot be determined 240 2. 5.

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