Three athletes X, Y and Z start running around a circular track of length 60 m from the same point simultaneously in the same direction at speeds of 3 m/s, 5 m/s and 9 m/s respectively. After how long will they meet for the first time after they started running?<br>

1. Three athletes X, Y and Z start running around a circular track of length 60 m from the same point simultaneously in the same direction at speeds of 3 m/s, 5 m/s and 9 m/s respectively. After how long will they meet for the first time after they started running?

[Marcantile Bank PO-2011 : 2011]

1. 45 sec

2. 15 sec

3. 60 sec

4. 30 sec

5. None of these

Answer

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