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They are two places X and Y 200 km apart from each other initially two person 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 X and Y.if they meet second time at each other at a point N somewhere between X and Y the the distance travelled by Q is: |
Answer» 240 km |
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