railway RPF SI Mock Test Series 2024 Logical Reasoning Blood Relations Coded Blood Relation Problems
Read the following logic and answer the given question.
A @ B means A is the mother of B.
A # B means A is the father of B.
A $ B means A is B's brother.
A% B means A is the sister of B.
Which of the following shows that P is R's grandmother?1
P # Q # R
2
P % Q # R
3
P # Q @ R
4
P @ Q @ R