He is proficient ___ mathematics. Fill in the blank
A. On
B. In
C. At D. With
Explanation: The correct preposition is "in" - "He is proficient in mathematics."
Occurrence: PMS Ministerial Quota 2025
He is proficient ___ mathematics. Fill in the blank | In | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database