A girl introduced a boy and said, 'This is the son of my maternal uncle's father's only daughter'. So how is the boy related to the girl?

A girl introduced a boy and said, 'This is the son of my maternal uncle's father's only daughter'. So how is the boy related to the girl? Correct Answer Brother

The girl's maternal uncle's father is the girl's maternal grandfather. 

The girl's maternal grandfather's only daughter is the girl's mother.

The girl's mother's son is the girl's brother.

Family Chart:

Family Tree:

[ alt="famtree3986873" src="//storage.googleapis.com/tb-img/production/21/07/famtree3986873.png" style="width: 441px; height: 317px;">

Hence, the boy is the girl's "brother".

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