Jamia Millia Islamia Syllogism Previous Year Questions (PYQs)
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Showing 4 questions
Statements:
S1: Some cats are rats.
S2: All rats are bats.
S3: Some bats are birds.
Conclusions:
C1: Some birds are cats
C2: Some bats are cats
C3: Some birds are rats
C4: No bird is a rat
Which of the conclusions follows from the above statements?
1
2
3
4
Solution
From the statements:
- Some cats are rats → all rats are bats → so, some cats are bats ✅
- Some bats are birds, but no definite relation between birds & cats/rats.
Hence, only C2 (“Some bats are cats”) is true;
others cannot be concluded.
one statement is given and after that two conclusions are provided. You have to take the statements to be true though it shows difference from the known facts. At first, read the statements and then go to the conclusions. Among the conclusions, decide which is logically correct and answer the question by choosing the options provided.
Statements: Some kangaroos are chimpanzees. No chimpanzee is Dinosaur. Conclusions: I. All kangaroos are chimpanzees. II. Some dinosaurs are kangaroos.
Statements: Some kangaroos are chimpanzees. No chimpanzee is Dinosaur. Conclusions: I. All kangaroos are chimpanzees. II. Some dinosaurs are kangaroos.
1
2
3
4
Solution
Neither I nor II is correct.
one statement is given and after that two conclusions are provided. You have to take the statements to be true though it shows difference from the known facts. At first, read the statements and then go to the conclusions. Among the conclusions, decide which is logically correct and answer the question by choosing the options provided.
Statements:
All lovers are singers.
All film directors are lovers
Conclusions:
I. All film directors are singers.
II. Some lovers are film directors.
Statements:
All lovers are singers.
All film directors are lovers
Conclusions:
I. All film directors are singers.
II. Some lovers are film directors.
1
2
3
4
Solution
Both I and II are correct
The question below has a set of statements. Each set is divided into three parts.
Choose the alternative where the conclusion can be logically deduced using both preceding statements.
Statements:
I. All papers are books.
II. All bags are books.
III. Some purses are bags.
Conclusions:
I. Some papers are bags.
II. Some books are papers.
III. Some books are purses.
1
2
3
4
Solution
From I and II → all papers and all bags are books → no relation between papers and bags (so I does not follow).
From I → some books are papers (true).
From III + II → all bags are books and some purses are bags → some purses are books (true).
Hence II and III follow.
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