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    Question

    What is the time taken by train to go from Station A to

    Station B? Statement I:┬а If the train increases its speed by 20%, then it reaches 40 minutes earlier. Statement II:┬а If the train decreases its speed by 40%, then it reaches 90 minutes late. In each of the following questions, a question is followed by two or three statement. Read all the statements and find that which statements are required to answer the question and answer accordingly.┬а
    A If the data in statement I alone is sufficient to answer the question. Correct Answer Incorrect Answer
    B If the data in statement II alone is sufficient to answer the question. Correct Answer Incorrect Answer
    C If the data either in statement I alone or statement II alone are sufficient to answer the question. Correct Answer Incorrect Answer
    D If the data given in both I and II together are not sufficient to answer the question. Correct Answer Incorrect Answer
    E If the data in both the statements I and II together are necessary to answer the question. Correct Answer Incorrect Answer

    Solution

    From I : distance/ (120s/100) = t тАУ 40 D=(t-40)├Ч6s/5 From II : distance/(60s/100) = t + 90 D=(t+90)├Ч3s/5 both statement given distance are same . ┬а(t-40)├Ч6s/5=(t+90)├Ч3s/5 t=170min

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