Explanation:

- Tina is positioned 75 m to the South-East of Veena. This means Tina is located diagonally to the lower right of Veena.

- Reena is positioned 75 m to the South-West of Veena. This means Reena is located diagonally to the lower left of Veena.

- When you visualize or sketch this setup, you see that Tina is on the right side of Reena.

- Therefore, relative to Reena's position, Tina is to the East.

- Option:1, North - This would mean Tina is above Reena. Not applicable as Tina is not North of Reena.

- Option:2, West - This would mean Tina is left of Reena. Not applicable as Tina is not to the West of Reena.

- Option:3, South - This would mean Tina is directly below Reena. Not applicable as Tina is not directly South of Reena.

- Option:4, East - This means Tina is to the right of Reena on a standard map or grid.

- Correct Answer: Option:4, East