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Data Sufficiency

Directions to SolveIn each of the questions below consists of a question and 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 both the statements andGive answer
  • (A) 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
  • (B) If 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
  • (C) If the data either in statement I alone or in statement II alone are sufficient to answer the question
  • (D) If the data given in both statements I and II together are not sufficient to answer the question and
  • (E) If the data in both statements I and II together are necessary to answer the question.

Q1: Question: Who is to the immediate right of P among five persons P, Q, R, S and T facing North ? Statements:
  1. R is third to the left of Q and P is second to the right of R.
  2. Q is to the immediate left of T who is second to the right of P.

A I alone is sufficient while II alone is not sufficient

B II alone is sufficient while I alone is not sufficient

C Either I or II is sufficient

D Neither I nor II is sufficient

E Both I and II are sufficient

ANS:C - Either I or II is sufficient

Explanation: From I, we have the order: R, -, P, Q. From II, we have the order: P, Q, T. Clearly, each one of the above two orders indicates that Q is to the immediate right of P.



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