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Data Sufficiency

Directions to SolveIn each of the following problems, there is one question and three statements I, II and III given below the question. You have to decide whether the data given in the statements is sufficient to answer the question. Read all the statements carefully and find which of the statements is/are sufficient to answer the given question. Choose the correct alternative in each question.

Q1: Question: Among P, Q, R, S and T, Q is the second tallest and S is immediate taller than the shortest. Who among them is in the middle when they stand in the order of their heights ? Statements:
  1. T is not the shortest.
  2. R is taller than S but shorter than Q.
  3. P ranks third in height above S when all are arranged in the order of height.

A Only I and II

B Either II only or I and III only

C Only II

D Only II and III

E None of these

ANS:B - Either II only or I and III only

Explanation: From the given statement, the descending order of heights is :__, Q,__, S,__. From II, we have the order: _, Q, R, S,__. Thus, R is in the middle. From III, we have the order : P, Q,__, S,__. But, according to I, T is not the shortest. So, R is the shortest. Thus, we have the order : P, Q, T, S, R. So, T is in the middle.



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