- ABoth statements together are needed (neither 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
- DEither statement alone is sufficient
Step-by-Step Solution
Statement I: five years ago she was 20, so she is 25 now (a perfect square). Statement II: 30 in five years also makes her 25 now. Each alone gives 25.
Answer: D) Either statement alone is sufficient