1 Answers
Option 3 : Mother
Below table represents symbols used to draw a family tree,
[ alt="Blood relation priyadharshini 15 Q (1) images Q9" src="//storage.googleapis.com/tb-img/production/19/05/Blood%20relation_priyadharshini_15%20Q%20%281%29_images_Q9.PNG">
According to the given information, we get the following tree diagram.
[ alt="Blood relation priyadharshini 15 Q (1) images Q9a" src="//storage.googleapis.com/tb-img/production/19/05/Blood%20relation_priyadharshini_15%20Q%20%281%29_images_Q9a.PNG" style="width: 197px; height: 189px;">
As Krishnan has only one sister and a nephew → Krishnan’s sister has a son
The lady who is Nephew’s maternal grandmother → Krishnan’s sister’s mother.