After going through the following information give the answer to the questions given below,

P + Q means P is son of Q, P - Q means P is Wife of Q, P $$\times$$ Q means P is Brother of Q and P + Q means P is Sister of Q..​​

A+B-C shall mean...

Given: A + B - C

So, 'C' is Father of 'A' is correct option.

Thus, the correct answer is (a).