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UPSC Civil ServicesPrelims2025General Studies Paper II (CSAT)

Question

QQ5. A natural number N is such that it can be expressed as N = p + q + r, where p, q and r are distinct factors of N. How many numbers below 50 have this property ?

Options

  1. A 6
  2. B 7
  3. C 8
  4. D 9
Show Answer

Correct Answer

C 8

Model Answer

Answer: option C, as per UPSC's final answer key (Series A).

Syllabus topics

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2025 — A natural number N is such that it can be expressed as N =… | Dr. Amit IAS Academy