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CSAT 2017 paper

UPSC CSE CSAT 2017 · Question 71 · Puzzles, arrangements & general mental ability

Directions for the following 3 (three) items: Consider the given information and answer the three…

Directions for the following 3 (three) items: Consider the given information and answer the three items that follow.

A, B, C, D, E, F and G are Lecturers from different cities—Hyderabad, Delhi, Shillong, Kanpur, Chennai, Mumbai and Srinagar (not necessarily in the same order) who participated in a conference. Each one of them is specialized in a different subject, viz., Economics, Commerce, History, Sociology, Geography, Mathematics and Statistics (not necessarily in the same order). Further

  1. 1.Lecturer from Kanpur is specialized in Geography
  2. 2.Lecturer D is from Shillong
  3. 3.Lecturer C from Delhi is specialized in Sociology
  4. 4.Lecturer B is specialized in neither History nor Mathematics
  5. 5.Lecturer A who is specialized in Economics does not belong to Hyderabad
  6. 6.Lecturer F who is specialized in Commerce belongs to Srinagar
  7. 7.Lecturer G who is specialized in Statistics belongs to Chennai

Who of the following belongs to Hyderabad?

Answer & explanation

Answer: (b) E

A (Economics) must be from Mumbai, and B, the Geography lecturer, must be from Kanpur. The only city left, Hyderabad, therefore belongs to E.

  1. Direct clues: C – Delhi – Sociology; D – Shillong; F – Srinagar – Commerce; G – Chennai – Statistics; A – Economics.
  2. Cities left for A, B and E: Hyderabad, Kanpur, Mumbai. A is not from Hyderabad (clue 5), and Kanpur's lecturer teaches Geography while A teaches Economics — so A is from Mumbai.
  3. Subjects left for B, D and E: History, Geography, Mathematics. B teaches neither History nor Mathematics (clue 4), so B teaches Geography.
  4. Geography goes with Kanpur (clue 1), so B is from Kanpur, and the last city, Hyderabad, goes to E.
  5. D and E share History and Mathematics in some order — the data do not decide which.
  6. Hyderabad: E.

Remember · Solve the whole grid once; later questions on the same set then take seconds.

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). ·

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