In a school, there are five teachers A, B, C, D and E. A and B teach Hindi and English. C and B teach English and Geography. D and A teach Mathematics and Hindi. E and B teach History and French. Who teaches maximum number of subjects?
Answer & explanation
Answer: (b) B
Collect each teacher's subjects, counting a repeated subject once. B teaches Hindi, English, Geography, History and French — five subjects. A teaches three, and C, D and E teach two each.
- A: Hindi, English (with B) and Mathematics, Hindi (with D) → Hindi, English, Mathematics = 3.
- B: Hindi, English; English, Geography; History, French → Hindi, English, Geography, History, French = 5.
- C: English, Geography = 2. D: Mathematics, Hindi = 2. E: History, French = 2.
- B teaches the most subjects.
Remember · List each person's subjects as a set, counting a subject once even if it appears in two statements.
Question and answer: UPSC's official GS Paper II (2017, Series A) — paper ↗ · answer key ↗. Explanation: Minimalist IAS, checked 30 Sept 2026 (how we verify). ·