- AEither statement alone is sufficient
- BStatement I alone is sufficient but Statement II alone is not
- CStatement II alone is sufficient but Statement I alone is not
- DBoth statements together are needed (neither alone is sufficient)
Step-by-Step Solution
The only perfect square between 20 and 30 is 25, so I fixes the age. II allows many values, so I alone suffices.
Answer: B) Statement I alone is sufficient but Statement II alone is not