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    Question

    Ratio of the lengths of two trains β€˜X’ and β€˜Y’

    is 5:6 respectively and the ratio of time taken by them to cross a pole is 3:4 respectively. If speed of train β€˜X’ is 110 km/h, then find the speed of train β€˜Y’.
    A 99 km/h Correct Answer Incorrect Answer
    B 105 km/h Correct Answer Incorrect Answer
    C 72 km/h Correct Answer Incorrect Answer
    D 88 km/h Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Speed of Train Y = 110 Γ— (6/4) Γ— (3/5) => 110 Γ— 18/20 = 99 km/h

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