The analogy is based on professional association: An engineer works on or fixes a machine. A doctor works on or treats a disease. Thus, the correct relation is Doctor : Disease
An engineer is related to a machine just as a doctor is to _____.
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Question context
This question is part of 🧩 Logical Reasoning within the broader 🧠 Aptitude Mastery subject and appears in the Punjab Police preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.