Explanation:

- Eight boys are seated in a row facing north.

- R is fifth to the right of M: Places R in a fixed relation to M.

- Q is immediately to the right of M.

- P is fifth to the right of Q: Specifies position of P.

- T is third to the left of P: Determines T's position.

- N is third to the right of S: Links N and S together.

- S is an immediate neighbor of M: Ensures S is beside M.

Let’s assess the statements:

- Statement I: "N is third to the left of R" - This is incorrect based on the set conditions.

- Statement II: "P is sixth to the right of M" - Also incorrect due to earlier descriptions.

Correct Option: 2, Both I and II

- Both statements I and II are NOT correct.

-