AMCAT Logical Reasoning: Deductive Logic 2

Question 1

All roses are flowers. Some flowers are red. Which conclusion definitely follows?

Accepted Answer

Some flowers are roses

Answer

All roses are red

Answer

Some roses are red

Answer

No roses are red

Question 2

No cats are dogs. All dogs are animals. Which is a valid conclusion?

Accepted Answer

Some animals are not cats

Answer

No cats are animals

Answer

All cats are animals

Answer

Some dogs are cats

Question 3

Statement: All pens are books. No book is a pencil. Conclusion I: No pen is a pencil. Conclusion II: Some books are pens.

Accepted Answer

Both I and II follow

Answer

Only I follows

Answer

Only II follows

Answer

Neither follows

Question 4

If no M is P, and all S is M, what can be concluded?

Accepted Answer

No S is P

Answer

Some S is P

Answer

All S is P

Answer

Some M is P

Question 5

Statements: Some teachers are writers. All writers are poets. Conclusion: Some teachers are poets.

Accepted Answer

True

Answer

False

Answer

Uncertain

Answer

Partially true

Question 6

All A are B. All B are C. No C is D. Conclusion: No A is D.

Accepted Answer

Definitely true

Answer

Definitely false

Answer

Possibly true

Answer

Cannot be determined