P is the brother of Q. R is the daughter of Q. S is the sister of P. Q is sister of S. T is the brother of R. Who is the uncle of T?
Answer & explanation
Correct answer: option 4
ATQ,

*********************************************************
Please note:
l ⇒ Vertical line shown "generation gap".
= ⇒ Double lines shown "relation of spouse"
— ⇒ Horizontal line shown "relation in same generation other than spouse".
⇒ Rectangular box shown " Male".
⇒ Circular box shown " Female".
*********************************************************