Question : Directions: Three statements are given followed by four conclusions I, II, III, and IV. You have to consider these statements to be true, even if they seem at variance from commonly known facts. Decide which of the given conclusions logically follow/s from the given statement. Statements: I. All parrots are crows. II. All crows are robins. III. All robins are swan. Conclusions: I. All parrots are swans. II. All swans are crows. III. All robins are parrots. IV. All crows are swans.
Option 1: Only conclusions II and III follow
Option 2: Only conclusions I and IV follow
Option 3: All the conclusions follow
Option 4: Only conclusions I and II follow
Correct Answer: Only conclusions I and IV follow
Solution : The possible venn diagram according to the given statements is as follows –
Let's analyse the conclusions – Conclusion (I): All parrots are swans – From the given Venn diagram, the circle of parrots is completely inside the circle of swans. Therefore, this conclusion is true. Conclusion (II): All swans are crows – From the given Venn diagram, the circle of crows is completely inside the circle of swans. So, this means all crows are swans or some swans are crows. Therefore, this conclusion is false. Conclusion (III): All robins are parrots – From the given Venn diagram, the circle of parrots is completely inside the circle of robbins. This means all parrots are robins or some robins are parrots. Therefore, this conclusion is false. Conclusion (IV): All crows are swans – From the given Venn diagram, the circle of crows is completely inside the circle of swans. Therefore, this conclusion is true.
So, only conclusions I and IV follow. Hence, the second option is correct.
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Question : Directions: In the following question below, some statements are followed by some conclusions. Taking the given statements to be true, even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusions logically follows from the given statements. Statements: I. All women are hardworking. II. All intelligent are advocates. III. Some intelligent are women. Conclusions: I. Some advocates are women. II. Some hardworking are women. III. Some women are advocates. IV. Some hardworking are intelligent.
Option 1: Only conclusions II, III, and IV follow
Option 2: Only conclusions I, II, and III follow
Option 3: Only conclusions I, III, and IV follow
Option 4: All conclusions follow
Question : Directions: Two statements are given followed by four conclusions I, II, III, and IV. You have to consider these statements to be true, even if they seem at variance from commonly known facts. Decide which of the given conclusions logically follow/s from the given statement. Statements: 1. All papers are stationery. 2. Some papers are books. Conclusions: I. Some stationery is paper. II. No stationery is paper. III.No book is stationery. IV. Some books are papers.
Option 1: Only conclusions I, II, and IV follow
Option 2: Only conclusions I and II follow
Option 3: Only conclusions II and III follow
Option 4: Only conclusions I and IV follow
Question : Directions: Two statements are given followed by three conclusions numbered I, II, and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: Some mobiles are tablets. All tablets are laptops. Conclusions: I. Some laptops are mobiles. II. Some mobiles are laptops. III. All mobiles are laptops.
Option 1: Only conclusions I and II follow
Option 2: Only conclusions I and III follow
Option 3: All of the conclusions follow
Option 4: Only conclusions II and III follow
Question : Directions: Two statements are given, followed by three conclusions numbered I, II, and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: All photographs are newspapers. Some photographs are computers. Conclusions: I. Some computers are photographs. II. Some computers are newspapers. III. Some newspapers are photographs.
Question : Directions: Two statements are given followed by three conclusions numbered I, II, and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: All bags are pens All pencils are pens Conclusions: I. Some pens are bags II. All bags are pencils III. Some pens are pencils
Option 1: Both conclusions II and III follow
Option 2: Conclusions I, II and III follow
Option 3: Both conclusions I and II follow
Option 4: Both conclusions I and III follow
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