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UPSC PYQs: Syllogism

Review complete published questions grouped by topic: Syllogism.

11 published questions

Other qualifying topic groups

Questions

Every red is blue; every blue is green; every green is yellow. P: every blue is yellow. Q: every red is green. R: every red is yellow. Which follow?2026 · Prelims CSAT · Logical Reasoning, Reasoning · Syllogism
Syllogism: All pens are books; no chair is a pen. Conclusions include all chairs are books, some chairs are pens, all books are chairs, and no chair is a book. What necessarily follows?2022 · Prelims CSAT · CSAT · Syllogism
Syllogism: Some doctors are teachers; all teachers are engineers; all engineers are scientists. Which conclusions follow: I some scientists are doctors; II all engineers are doctors; III some engineers are doctors?2022 · Prelims CSAT · CSAT · Syllogism
Logic: Some cats are cupboards; some cupboards are chairs; all chairs are tables. Conclusions: I certainly some cupboards are tables; II some cats may not be chairs. Which follows?2021 · Prelims CSAT · CSAT · Syllogism
Logic: Some radios are mobiles; all mobiles are computers; some computers are watches. Conclusions: I certainly some radios are watches; II certainly some mobiles are watches. Which follows?2021 · Prelims CSAT · CSAT · Syllogism
Logic: Some greens are blues; some blues are blacks. Conclusions: 1 some greens are blacks; 2 no green is black; 3 all greens are black; 4 all blacks are green. Which conclusion set necessarily follows?2021 · Prelims CSAT · CSAT · Syllogism
Statement: all cats are black. Conclusions: I all dogs are black; II some dogs are not black. Which conclusion follows if only the statement is used?2020 · Prelims CSAT · CSAT · Syllogism
Given: some rats are cats; some cats are dogs; no dog is a cow. Which conclusion necessarily follows: I no cow is a cat; II no dog is a rat; III some cats are rats?2019 · Prelims CSAT · CSAT · Syllogism
All good athletes want to win; all athletes who want to win eat a balanced diet. What is the best conclusion?2015 · Prelims CSAT · Logical Reasoning · Syllogism
Statements: Some men are great. Some men are wise. Conclusions: I. Men are either great or wise. II. Some men are neither great nor wise. Which is correct?2015 · Prelims CSAT · CSAT · Syllogism
Statements: Some men are great. Some men are wise. Conclusions: I. Men are either great or wise. II. Some men are neither great nor wise. Which is valid?2015 · Prelims CSAT · Logical Reasoning · Syllogism