Sheela introduced Rahul saying, “His sister is the single daughter of my mother’. How are Rahul and Sheela related to each other?’
Answer & explanation
Correct answer: option 4

*********************************************************
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".
*********************************************************