RRB Group-D Model Paper 18 with answers for online practice

Lawyer studies Law.
Similarly,
Option 1: Manager studies business studies, not biology.
Option 2: Doctor studies medicine.
Option 3: Chartered Accountant studies finance, not Political Science.
Option 4: Pilot studies aviation science, not history.
“Doctor : Medicine“ share the same relationship as that shared by the given pair of words.
Hence, “Doctor : Medicine” is the correct answer.