Pointing to a boy, Shalini said, "He is the son of the only child of my husband's father." How is the boy related to Shalini?

NephewCorrect answerYour answerGrandsonCorrect answerYour answerSonCorrect answerYour answerBrother-in-lawCorrect answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer C

Correct answer: C

Shalini's husband is a child of his own father. If that father has only one child, the only child is Shalini's husband.
The son of Shalini's husband is Shalini's son.

Worth noting

Nephew assumes the only child is somebody else, such as a brother of the husband. 'Only child' means the husband himself.

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Explanation