- AEither statement alone is sufficient
- BStatement II alone is sufficient but Statement I alone is not
- CBoth statements together are needed (neither alone is sufficient)
- DStatement I alone is sufficient but Statement II alone is not
Step-by-Step Solution
A being third to the left of an end-seated D is only possible if D is at the right end (A then sits third from it), so D is at the extreme right. II fixes no ends.
Answer: D) Statement I alone is sufficient but Statement II alone is not