If 'B%D' means B is father-in-law of D', 'B & D' means 'B is brother of D', 'B # D' means 'B is wife of D' , 'B$D' means 'B is the son of D', 'B@D' means 'B is the mother of D', then what is the relation of N to Q in the following expression? L # N $ O @ P # Q MCQ with Answer and Explanation

Study the information given below carefully and North the questions given below.
I. P+Q means Q is the only sister of P.
II. P Q means Q is the mother of P.
III. PxQ means Q is the brother of P.
IV. P* Q means Q is the father of P.
V. P Q means Q is the wife of P.
VI. P%Q means Q is the son of P.
Which of the following expressions shows that the brother of L is the grandfather of Z?

A's mother is sister of B and has a daughter C. How can A be related to B from the given options?

Pointing to a photograph, a man said, 'I have no brother or sister but that man's father is my father's son.' Whose photograph was it?