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    Question

    A goods train leaves Delhi at a certain time. After 3

    hours Rajdhani Express leaves the same station and travels in the same direction at the speed of 180 km/h. If Rajdhani catches up the goods train in 6 hours, then what is the speed of the goods train?
    A 120 km/hr Correct Answer Incorrect Answer
    B 130 km/hr Correct Answer Incorrect Answer
    C 140 km/hr Correct Answer Incorrect Answer
    D 100 km/hr Correct Answer Incorrect Answer
    E 110 km/hr Correct Answer Incorrect Answer

    Solution

    Distance travelled by Rajdhani Express in 6 hours = 180 × 6 = 1080 km
    Speed of goods train = 1080 / (3 + 6) = 120 km/hr

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