Introducing a boy, I said, "His mother is the only daughter of my mother in law". How am I related to the boy?
Answer & explanation
Correct answer: option 2
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".
*********************************************************