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      Question

      Seven persons A, B, C, D, E, F and G are sitting in a

      row facing north but not necessarily in the same order. Which of the following persons sit fourth to the left of C? I. C sits second to the right of A. Two persons sit between A and F. E sits second to the left of F. Only one person sits between G and B. D sits third left of E. II. Three persons sit between G and E. Either G or E sits at one of the extreme end. A sits left of F. B and A are immediate neighbours. C sits right of E. The question given below is followed by two statements numbered I and II. You have to decide whether the data provided in the statements sufficient to answer the question:
      A If the data in the 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 the 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 the statement I alone or in statement II alone is sufficient to answer the question. Correct Answer Incorrect Answer
      D If the data in both the statement I and II together are not sufficient to answer the question. Correct Answer Incorrect Answer
      E If the data in both the statement I and II together are necessary to answer the question. Correct Answer Incorrect Answer

      Solution

      From I. There will be two cases: G/B        D             G/B        A             E              C             F                                 Case 1. D sits fourth to the left of M. E              _____   F              _____   _____   A             _____                   C                                             Case 2. Case 2 will get discarded as there are only seven person. Hence data in the statement I alone is sufficient to answer the question. From II. G             ____     _____   _____   E   ____                  C Case 1. E       ____            _____   _____   G Case 2. Hence data in the statement II alone is not sufficient to answer the question.

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