- AStatement I alone is sufficient but Statement II alone is not
- BBoth statements together are needed (neither alone is sufficient)
- CStatement II alone is sufficient but Statement I alone is not
- DEither statement alone is sufficient
Step-by-Step Solution
I links P only to R and II links R only to Q. Together R is Q's daughter and P is R's brother, so P is Q's son.
Answer: B) Both statements together are needed (neither alone is sufficient)