engineering recuitment NIC NIELIT Scientist B 2023 Mock Test Logical Reasoning Blood Relations Coded Blood Relation Problems
If A × B means that A is the father of B, A + B means that A is the mother of B, A – B means that A is the brother of B then which of the following expression shows that Q is the brother of P?
1
P + Q – R
2
P – Q + R
3
P × R – Q
4
P – Q × R