UPSSSC PET 2023 (29 Oct Shift 1)
In this question, three statements are given followed by four conclusions numbered I, II, III and IV. You have to take the given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.Statements:Some trains are roads. No road is jungle. All flowers are jungles.Conclusions:I. Some trains are flowers.II.Some trains are jungles.III.Some flowers are trains.IV.No road is flower.
Answer (Detailed Solution Below)View answer ▾Hide ▴
Answer: Option D — Only IV follows.
Detailed Solution
All flowers are jungles and no road is a jungle, so no road can be a flower; conclusion IV follows.
The trains that are roads are not jungles and nothing is known about other trains, so I, II and III are not certain; only IV follows.
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Syllogism — UPSSSC PET Preparation
This question tests your understanding of Syllogism, a key topic in the UPSSSC PET Logical Reasoning section. The detailed solution above uses a step-by-step approach to show the reasoning, and where available, a shortcut that helps you solve similar questions in under 90 seconds during the actual exam.
Syllogism questions give two or more statements and ask which conclusions follow from them. You must accept the statements as true, even if they contradict real-world facts. This topic covers statements with "All", "Some" and "No", "only a few" type statements, and possibility conclusions such as "Some A can be B". The Venn diagram method is the most reliable approach. Draw every possible arrangement that satisfies the statements, and accept a conclusion only if it holds in every diagram. A possibility conclusion follows if it is true in at least one valid diagram. Knowing the standard rules, such as "All + All = All" and "Some + All = Some", speeds things up once you are confident with the diagrams. Practise the syllogism questions below. Each solution includes a Venn diagram.