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.
P x Q means P is the sister of Q ;
P + Q means P is the father of Q ;
P - Q means P is the mother of Q.
Which of the following means S is the aunt of T ?
Justification: S is the aunt of T means S is the sister of the father (say M) of T i.e. S x M + T.