1. 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.
  2. 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.
  3. Data in statements I alone or in Statement II alone are sufficient to answer the question.
  4. Data in both the Statements I and II are not sufficient to answer the question.
  5. Data in both the Statements I and II together are necessary to answer the question.
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1 Answers

Option 3 : Data in statements I alone or in Statement II alone are sufficient to answer the question.

Given: Some persons are standing in a straight line, all of them facing north.

From statement I:

[ alt="Family Tree 91" src="//storage.googleapis.com/tb-img/production/18/08/Family%20Tree_91.PNG" style="height:83px; width:262px">

Only one person stands to the left of Z. Only three person stand between Z and A. The person who is immediate right of A stand at the extreme right end of the line.Hence, there are total 7 persons.Hence, data in statement I alone are sufficient to answer question.

From statement II:

[ alt="Family Tree 92" src="//storage.googleapis.com/tb-img/production/18/08/Family%20Tree_92.PNG" style="height:95px; width:262px">

Only two persons stand to the left of Z. Only two person stand between Z and H. H stand to the immediate right of A. A stands exactly in the middle of the line.

Hence, there are total 9 persons. Hence, data in statement II alone are sufficient to answer question.

Hence, Data in statements I alone or in Statement II alone are sufficient to answer the question.

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