Pointing to a boy in the photograph Reena said, "He is the only son of the only child of my grandfather." How Reena is related to that boy?

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Pointing to a boy in the photograph Reena said, "He is the only son of the only child of my grandfather." How Reena is related to that boy? Answer: Sister

The boy in the photograph is the only son of Reena's grandfather's only son; i.e., the boy is the only son of Reena's father. Hence, the boy is the brother of Reena or Reena is the sister of the boy.

Question context

This question is part of 💬 Verbal Reasoning within the broader 🧠 Aptitude Mastery subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.