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Two persons start from the opposite ends of a 90 km straight track and run to and fro between the two ends. The speed of first person is 30 m/s and the speed of other is 125/6 m/s. They continue their motion for 10 hours. How many times they pas each other?

1)10

2)9

3)12

4)none these


  • : 177
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  • Exam: Time Speed and distance QUESTIONS





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