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    Question

    A train leaves Station X at 6:00 AM and travels towards

    Station Y at 60 km/hr. Another train leaves Station Y at 7:00 AM and travels towards Station X at 80 km/hr. If the distance between the two stations is 620 km, at what time will the two trains meet?
    A 10:00 AM Correct Answer Incorrect Answer
    B 11:00 AM Correct Answer Incorrect Answer
    C 9:30 AM Correct Answer Incorrect Answer
    D 10:30 AM Correct Answer Incorrect Answer

    Solution

    Distance covered by the first train in 1 hour (6:00 AM to 7:00 AM) = 60 km. Remaining distance = 620 - 60 = 560 km. Relative speed = 60 + 80 = 140 km/hr. Time to meet = 560 / 140 = 4 hours  Meeting time = 7:00 AM + 4 hours = 11:00 AM. Answer: b) 11:00 AM

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