Mary and Lily are sisters. David is Mary's son. Patricia is David's only daughter. How is Mary related to Patricia?

Mary and Lily are sisters. David is Mary's son. Patricia is David's only daughter. How is Mary related to Patricia? Correct Answer Grandmother

Preparing the family tree using the following symbol:

According to the given information

[ alt="F3 Madhuri Engineering 13.07.2022 D6" src="//storage.googleapis.com/tb-img/production/22/07/F3_Madhuri_Engineering_13.07.2022_D6.png" style="width: 181px; height: 175px;">

Hence, Mary is the grandmother of Patrica.

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