railway RPF SI Mock Test Series 2024 Logical Reasoning Blood Relations Coded Blood Relation Problems
Read the following statements and answer the question on their basis.
A4B means A is the mother of B,
A3B means A is B's father,
A5B means A is B's son,
A7B means A is the daughter of B
based on the information given above. Select the equation that expresses 'P is the grandmother of R'.4
1
P3Q3R7S
2
P3Q4R7S
3
P4Q4R7S
4
P7Q5R4S