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 x B means A is the sister of B,
Which of the following shows that P is the maternal uncle of Q?
Explanation:
P – M → P is the brother of M
M + N → M is the mother of N
N x Q → N is the sister of Q
Therefore, P is the maternal uncle of Q
Hence, option 3 is the correct answer.