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    Question

    Train A running at a speed of 41 km/hr crosses train B

    in 30 seconds. Find the speed of train B (in km/hr), if the sum of the length of train A and B is 500 meters and both trains running in the opposite direction.
    A 19 km/hr Correct Answer Incorrect Answer
    B 13 km/hr Correct Answer Incorrect Answer
    C 20 km/hr Correct Answer Incorrect Answer
    D 14 km/hr Correct Answer Incorrect Answer
    E 24 km/hr Correct Answer Incorrect Answer

    Solution

    Let speed of train B be ā€˜x’ km/hr. According to question, => 30(41 + x) Ɨ (5/18) = 500 => 1230 + 30x = 1800 => 30x = 570 => x = 19 km/hr

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