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      Question

      Ten persons sit in two parallel rows i.e., row I and row

      II. Five persons P, Q, R, S and T sit in row I. Five persons U, V, W, X and Y sit in row II. The person in row I face towards the south and the persons in row II face towards the north. The person of row I face the person of row II. Row I is to the north of row II. The distance between any two adjacent persons in the row is same. Who faces Q? Statement I: T sits second to the right of the one, who faces V. Only two persons sit between V and W. Only one person sits between the one, who faces W and S.Statement II: R sits 3rd to the left of the person, who faces U. U sits immediate left of Y. The one, who faces Y sits second to the left of Q. P sits second to the left of the one, who faces the one, who sits immediate right of W. V faces the one, who sits adjacent to S. 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 answer the question.
      A Data given in statement I alone is not sufficient to answer the question while the data given in statement II alone is sufficient to answer the question. Correct Answer Incorrect Answer
      B Data given in statement I and II together is necessary to answer the question. Correct Answer Incorrect Answer
      C Data given in statements I and II together is not sufficient to answer the question. Correct Answer Incorrect Answer
      D Data given in statement II alone is not sufficient to answer the question while the data given in statement I alone is sufficient to answer the question. Correct Answer Incorrect Answer
      E None of the above Correct Answer Incorrect Answer

      Solution

      From statement I alone, T sits second to the right of the one, who faces V. Only two persons sit between V and W. Only one person sits between the one, who faces W and S. We get:

      Case 1: Image

      Case 2: Image

      So, from statement I alone, we cannot answer the above question. So, data given in statement I alone is not sufficient to answer the question.

      From statement II alone, R sits 3rd to the left of the person, who faces U. U sits immediate left of Y. The one, who faces Y sits second to the left of Q. P sits second to the left of the one, who faces the one, who sits immediate right of W. V faces the one, who sits adjacent to S. We get: Image

      So, from statement II alone, we get Q faces W. Therefore, data given in statement II alone is sufficient to answer the question.

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