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CA Foundation · Quantitative Aptitude · Blood Relations

Pointing to a girl, Amit says, 'She is the daughter of the only son of my grandfather's wife.' Amit has no brother. How is the girl related to Amit?

The girl is Amit's sister. The only son of Amit's grandfather's wife is Amit's father, and the father's daughter, being a child of the same parents, is Amit's sister.

  1. ACousin
  2. BNiece
  3. CSisterCorrect
  4. DDaughter

Explanation

Amit's grandfather's wife is his grandmother (paternal or maternal; take the one with one son). Her only son is Amit's father or maternal uncle. Since the grandmother has only one son and Amit has no brother, the son is Amit's father. His daughter is Amit's sister. Taking a maternal uncle would make her a cousin, but the grandmother's only son being Amit's father is the standard reading with Amit's paternal line.

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