Question : In a row of five buildings - P, Q, R, S and T, which building is in the middle ?

Statements :
I. Buildings S and Q are at the two extreme ends of the row.
II. Building ,T is to the right of building R.
  • 1I alone is sufficient while II alone is not sufficient
  • 2II alone is sufficient while I alone is not sufficient
  • 3Either I or II is sufficient
  • 4Neither I nor II is sufficient
Answer:- 1
Explanation:-

Solution:
From I, we have the order : S, -, -, -, Q. From II, we have the order : R, T. Combining the above two, we get two possible orders : S, R, T, P, Q or S, P, R, T, Q. Thus, either T or R is in the middle.

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