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    Question

    Find length of the metro? Statement I : If metro

    can cross a platform in 40 seconds and a pole in 24 seconds. Statement II : If the speed of metro is 60 km/hr. Statement III : If the length of platform is 300metre. In each of the following questions, a question is followed by three statements numbered I, II and III. Read all the statements and answer accordingly.
    A I and III together Correct Answer Incorrect Answer
    B Only I Correct Answer Incorrect Answer
    C I and II together Correct Answer Incorrect Answer
    D II and III together Correct Answer Incorrect Answer
    E I and III or I and II Correct Answer Incorrect Answer

    Solution

    Let Length of Metro = M & length of Platform = P & Speed of Metro = S From I : S = (M+P)/40 = M/24 From II: S = 60: From III: P = 30 So we can find the length of metro by using I & III or even by I & II.

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