Question:
Each of Mr. Raj, his mother, his wife, and his son is a different professional among lawyer, doctor, engineer, and accountant.
- Accountant is not the son of the lawyer (lawyer is blood relative of the doctor).
- Engineer is son of the accountant, who is not blood relative of the doctor.
Who can \textbf{never be the doctor?}
Each of Mr. Raj, his mother, his wife, and his son is a different professional among lawyer, doctor, engineer, and accountant.
- Accountant is not the son of the lawyer (lawyer is blood relative of the doctor).
- Engineer is son of the accountant, who is not blood relative of the doctor.
Who can \textbf{never be the doctor?}
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In logic puzzles with professions, map relational constraints first, then test each possibility for contradictions.
Updated On: Jul 30, 2025
- Mr. Raj
- Mr. Raj's wife
- Mr. Raj's son
- Both A and C
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The Correct Option is D
Solution and Explanation
Step 1: Relation constraints
- The Engineer is the son of the Accountant.
- The Accountant is not a blood relative of the Doctor.
- Therefore, the Accountant must be either the wife or the son (since the mother and Raj are blood relatives).
Step 2: Lawyer–Doctor relationship
- The Lawyer is a blood relative of the Doctor.
- If the Doctor is Raj, then the Lawyer must be the mother or the son.
- But if Doctor = Raj, the Accountant would have to be the wife, and the Engineer = son of Accountant — this creates conflicts with the given constraints.
Step 3: Checking each person as Doctor
- If Doctor = Raj's son: Doctor is a blood relative, Accountant would be mother or wife. But Engineer = son of Accountant contradicts Doctor being the son (since the same person would be both Doctor and Engineer).
- If Doctor = Raj: Contradictions arise with the Lawyer and Accountant positions, breaking the constraints.
Conclusion:
From the analysis, both Mr. Raj and Mr. Raj's son can never be the Doctor.
Final Answer:
\[ \boxed{\text{Both A and C}} \]
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