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      Question

      A train crosses another train running in the opposite

      direction in 20 seconds. What is the speed of the train? I. Both the trains’ are running at the same speed. II. The first train is 125 cm long. Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give answer –
      A If the data in statement I alone is sufficient to answer the question, while the data in statement II alone is not sufficient to answer the question. Correct Answer Incorrect Answer
      B If the data in statement II alone is sufficient to answer the question, while the data in statement I alone is not sufficient to answer the question. Correct Answer Incorrect Answer
      C If the data either in statement I alone or in statement II alone is sufficient to answer the question. Correct Answer Incorrect Answer
      D If the data in both statements I and II together are necessary to answer the question. Correct Answer Incorrect Answer
      E If the data even in both statements I and II together are not sufficient to answer the question. Correct Answer Incorrect Answer

      Solution

      We need the length of both the trains for the distance. Hence, both statements I and II together and not sufficient to answer the question.

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