- 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
Neither position alone fixes the length. Together the queue has 9 + 14 − 1 = 22 students.
Answer: C) Both statements together are needed (neither alone is sufficient)