There are two places X and Y, 200 km apart from each other. Initially two persons P and Q both are at ‘X’. The speed of P is 20 km/h and speed of Q is 30 km/h. Later on they starts to move to and fro between Xand Y.
If they starts to move between X and Y, then for the first time when they will meet each other?

1)after 12 hours

2)after 24 hours

3)after 30 hours

4)after 8 hours

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    after 8 hours

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