Civil Services Kerala (കേരളം) PSC KAS Prelims Test Series 2025 Logical Reasoning Blood Relations Coded Blood Relation Problems
If A ÷ B means that A is the mother of B, A - B means that A is the father of B, A + B means that A is the sister of B, then which of the following expression shows that P is the mother of R?
1
P + Q - R
2
P ÷ Q + R
3
P - R + Q
4
Q + P - R