'C / D' means 'C is the sister of D'.
'C < D' means 'C is the husband of D'.
'C @ D' means 'C is the father of D'.
'C + D' means 'C is the son of D'.
If P @ Q + R / S < T, how is T related to Q?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Mother's brother's wife.
The diagram is

(In above diagram, circle represents female, square represents male, double line means married couple, single line means siblings, vertical line shows generational gap.)
From the above tree, T is the mother's brother's wife of Q.