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UPSC 2010: In a group of five persons A, B, C, D and E, there is a professor, a doctor and a lawyer. A and D are unmarried ladies, and do not work. Of the married couple in the group, E is the husband. B is the brother of A and is neither a doctor nor a lawyer. Who is the professor?
(a)B
(b)C
(c)A
(d)Cannot be determined with the available data
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Not attemptedCorrect Answer: (a) B
A and D are non-working unmarried ladies, so the three professions (professor, doctor, lawyer) must be held by B, C and E. B is expressly ‘neither a doctor nor a lawyer,’ so he must be the professor. Options (b) and (c) assign the professor to C or A contrary to the statements, and the data are sufficient—hence option (d) is wrong. ([studocu.com](https://www.studocu.com/in/document/karnataka-state-law-university/llb-3-years/prelims-general-studies-2010-answer-key/27145276?utm_source=openai))
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Frequently Asked Questions
What is the correct answer to this UPSC 2010 Science & Technology question?▼
The correct answer is option (a): B. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Logical Reasoning & Puzzles question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2010, GS Paper 1, as Question 78. It falls under Science & Technology > Logical Reasoning & Puzzles.
What is the difficulty level of this UPSC question?▼
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
How many UPSC Prelims questions have been asked from Logical Reasoning & Puzzles?▼
UPSC has asked 71 questions from Logical Reasoning & Puzzles (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.