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.
If (A) P + Q means P is the brother of Q ;
(B) P x Q means P is the father of Q ;
(C) P - Q means P is the sister of Q ;
which of the following represents S is the niece of T ?
Justification: S is the niece of T means T is the brother of the father (say M) of S i.e. T + M x S.