- AStatement I alone is sufficient but Statement II alone is not
- BEither statement alone is sufficient
- CStatement II alone is sufficient but Statement I alone is not
- DBoth statements together are needed (neither alone is sufficient)
Step-by-Step Solution
II alone gives 31 − 4 = 27 years. I gives only an age gap with an unknown cousin, so it is not sufficient.
Answer: C) Statement II alone is sufficient but Statement I alone is not