Explanation:

- The given people are sitting in a row facing North.

- P and S are neighbors, meaning they are next to each other.

- W is positioned between Q and U, acting as a neighbor to both.

- T is placed as a neighbor to both R and V.

- P and V have four people sitting between them.

- Thus, the order looks like this: P, S - - - V, T, R (since T is next to R and V).

Correct Answer: Option: 4, 6

There are 6 people between P and R in this arrangement.