In coded relation type questions, the relationships are represented by certain codes or symbols such as + , - , ÷ , × , * etc. Then relationships between certain persons, given in the form of these codes, are to be analysed.
A + B means A is the daughter of B ;
A x B means A is the son of B and
A - B means A is the wife of B.
If P x Q - S, which of the following is true ?
Justification: P x Q - S means P is the son of Q who is the wife of S i.e. P is the son of S or S is the father of P.