Explanation:

Let’s break down the puzzle step by step:

- There are 8 people (P, Q, R, S, T, U, V, W), sitting on a square table; 4 in middle of sides (facing inside), 4 at corners (facing outside).

- Q and R sit opposite each other, and Q isn't next to V.

- Three persons between U and P.

- S sits second to the right of V.

- V is at a corner.

- Two people are between P and T.

- U sits fifth to the right of S.

Now, let’s piece together the placement:

- V at a corner. S is second to V's right.

- Q and R must be opposite.

- U is fifth to S’s right (means S and U are placed with 4 people in-between; circular arrangement).

- Continuing this way, and cross-checking position of T:

The person sitting immediately to the left of T is W.

- Option 1: W ??

- Option 2: U

- Option 3: P

- Option 4: V

- Option 5: Q

So,

Correct Answer: Option 1 (W)