Introducing a boy, a girl says, "He is the son of my mother's only son." Who is the boy to the girl?

General Intelligence & Reasoning ·Previously asked in SSC CGL 2025

View the full solved paper: SSC CGL 2025 Tier I - 13 Sep 2025, Shift 2 (13 Sep 2025, Shift 2)

Question

Introducing a boy, a girl says, "He is the son of my mother's only son." Who is the boy to the girl?

  1. A. Brother
  2. B. Son
  3. C. Nephew (Correct answer)
  4. D. Cousin

Correct Answer

Option C — Nephew

Detailed Solution & Explanation

The correct answer is Nephew.

Key Points

  • The speaker is a girl, and "my mother's only son" must therefore be her brother — the word *only* excludes any other son and, since the speaker is female, excludes her too.
  • The boy is the son of her brother.
  • A brother's son is her nephew.

Additional Information

  • Compare the same wording spoken by a man: "my mother's only son" would then be himself, and the boy would be his son. The speaker's gender changes the answer entirely, and both versions appear across SSC papers.
  • A brother's or sister's son is a nephew; their daughter is a niece.
  • Resolve the innermost phrase before anything else, and treat qualifiers such as *only* as load-bearing — each exists to eliminate a competing reading.

प्रश्न (हिन्दी में)

एक लड़के का परिचय देते हुए एक लड़की कहती है, "वह मेरी माँ के इकलौते बेटे का बेटा है।" लड़का लड़की का कौन है?

  1. A. भाई
  2. B. बेटा
  3. C. भतीजा
  4. D. चचेरा

Topics covered: Blood Relations Logical Reasoning