How many people are standing in a straight line (Note: All are facing north) ?

    1.                       U stands third from the left and of the line. U is an immediate neighbour of P and W. Only one person stands between W and T. Only two people stand to the right of W.
    2.                      S stands at extreme left end of the line. T stands to the extreme right end of the line. Only one person stands between S and U. Only one person stands between T and W.

  • If 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.
  • If the data in statement II alone are sufficient to answer the question, while the data in statement I alone are not the question, while the data in statement I alone are not sufficient to answer the question.
  • If the data either in statement I alone or in statement II are sufficient to answer the question.
  • If the data even in both statements I alone II together are not sufficient to answer the question.
  • If the data even in both statements I and II together are necessary to answer the question.
  • Explanation:

       ↑   ↑   ↑   ↑   ↑   ↑

           P   U  W      T

    So, the data given in statement I alone are sufficient to answer the question.

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How many people are standing in a straight line (Note: All are facing north) ?    
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