Question: In a row of five buildings – P, Q, R, S and T, which building is in the middle ?Statements:Buildings S and Q are at the two extreme ends of the row.Building ,T is to the right of building R.

Question: In a row of five buildings – P, Q, R, S and T, which building is in the middle ?
Statements:
Buildings S and Q are at the two extreme ends of the row.
Building ,T is to the right of building R.

I alone is sufficient while II alone is not sufficient

II alone is sufficient while I alone is not sufficient

Either I or II is sufficient

Neither I nor II is sufficient

Explanation:
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.