CSAT 2017 · Q72
Easyकिसी पाठशाला में पाँच शिक्षक A, B, C, D और E हैं। A और B हिन्दी तथा अंग्रेजी पढ़ाते हैं। C और B अंग्रेजी और भूगोल पढ़ाते हैं। D और A गणित और हिन्दी पढ़ाते हैं। E और B इतिहास और फ्रेंच पढ़ाते हैं। सबसे अधिक विषय कौन पढ़ाता है?
Read this question in English
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?
(a) A · (b) B · (c) D · (d) E
उत्तर और व्याख्या · explanation in English
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). Permalink ·