Question

    Ratio of the lengths of two trains ‘X’ and ‘Y’

    is 6:7 respectively and the ratio of time taken by them to cross a pole is 4:5 respectively. If speed of train ‘X’ is 120 km/h, then find the speed of train ‘Y’.
    A 100 km/h Correct Answer Incorrect Answer
    B 105 km/h Correct Answer Incorrect Answer
    C 112 km/h Correct Answer Incorrect Answer
    D 98 km/h Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Speed of Train Y = 120 × (7/5) × (4/6) => 120 × 14/15 = 112 km/h

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