[PPSC Scientific Officer (Cyber Forensics, 2023)]

4. If A % B means A is the mother of B; A $ B means A is the brother B; A * B means A is the father of B and A + B means A is the sister of B, A – B means A is spouse of B, which of the following shows that P is the maternal aunt of Q

1. Q - R + S % P

2. S $ P - R + Q

3. S - Q $ P + R

4. P – S $ R % Q

Correct Answer :

P – S $ R % Q