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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 persons M, N, O, P, Q and R live on each floor of a six-storey building. The bottommost floor is numbered as 1 while the topmost floor is numbered as 6. Who lives just above Q’s floor? I. R lives two floors above O’s floor. Q lives on the bottommost floor. P lives just above M’s floor. II. M lives three floors above O’s floor. N lives two floors above Q’s floor. Q and M do not live on adjacent floors. There is at most one floor between P’s and R’s floor.
      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, Now, R lives two floors above O’s floor. Q lives on the bottommost floor. P lives just above M’s floor. So, we have two cases,   So, either M or O is just above Q’s floor. Therefore, statement I alone is not sufficient. From statement II, Now, M lives three floors above O’s floor. N lives two floors above Q’s floor. Q and M do not live on adjacent floors. There is at most one floor between P’s and R’s floor. So, the table is shown below, So, O lives just above Q’s floor. Therefore statement II alone is sufficient to answer the question.

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