'Doctor' uses a 'Stethoscope' — profession → primary instrument used for core professional tasks.
Step 2: Apply same principle.
Modern engineers rely heavily on a 'Computer' for design, simulation, and analysis — profession → primary instrument (digital tool) — therefore 'Computer' is the most representative instrument in today's engineering practice.
Final Answer:
Computer → Option B
Quick Check:
Doctor : Stethoscope (instrument) and Engineer : Computer (instrument) — relation maintained ✅
Quick Trick:For technical professions, prefer the instrument used for design/analysis in modern practice (digital tools count as instruments here).
Common Mistakes:
Choosing 'Blueprint' — present in options (Option A) and historically important, but less representative as the primary modern instrument than 'Computer'.
Master "Analogies" in Reasoning Ability
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