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A person X started 3 hours earlier at 40 km/h from a place P, then another person Y followed him at 60 km/h. started his journey at 3 O’clock afternoon.
What is difference in time when X was 30 km ahead of Y and when Y was 30 km ahead of X?

1)2

2)3

3)3.5

4)4.25


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  • Exam: Time Speed and distance QUESTIONS





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