Question :
In a certain code language,
A + B means 'A is the brother of B'.
A − B means 'A is the father of B'.
A X B means 'A is the mother of B'.
A ÷ B means 'A is the wife of B'.
Based on the above, how is P related to T if 'P X Q + R ÷ S − T'?
Solution :
P X Q + R ÷ S - T
P X Q means 'P is the mother of Q'
Q + R means 'Q is the brother of R'
R ÷ S means 'R is the wife of S'
S - T means 'S is the father of T'

P is the mother's mother of T.
Option (d) is the correct answer.