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      Question

      The question given below consists of 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 all the statements and give answer. Six trains L, M, N, O, P and Q are parked in a row facing north direction. Which train is immediate left of train N? I. Train P is second to the left of train O. Two trains are to the left of train P. Train L is exactly between train N and train Q. II. Train M is third to the left of train L, who is second to the left of train Q. Train N is immediate left of train P.
      A The data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question Correct Answer Incorrect Answer
      B The data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question Correct Answer Incorrect Answer
      C The data either in statement I alone or in statement II alone are sufficient to answer the question Correct Answer Incorrect Answer
      D The data given in both statements I and II together are not sufficient to answer the question Correct Answer Incorrect Answer
      E The data in both statements I and II together are necessary to answer the question. Correct Answer Incorrect Answer

      Solution

      From statement I alone, Train P is second to the left of train O. Two trains are to the left of train P. Train L is exactly between train N and train Q. So, we have, M         N/Q                 P         L                      O         Q/N So, either M or O is immediate left of N. From statement II alone, Train M is third to the left of train L, who is second to the left of train Q. Train N is immediate left of train P.   M         N         P         L          O         Q So, M is immediate left of N. Therefore, statement II alone is sufficient.

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