In a certain code, 'A + B' means 'A is B's sister'. What does 'P + Q - R' mean?
Q1. In a certain code, 'A + B' means 'A is B's sister'. What does 'P + Q - R' mean?
Answer: P is Q's sister, Q is R's brother
Explanation: Decoding the given expression step by step according to the rules. NET aptitude items reward fast recognition of the underlying pattern.