Statement: All birds have wings. Conclusions: I. Penguins are birds, so they have wings. II. Bats have wings, so they are birds. MCQ with Answer and Explanation

Question

Statement: All birds have wings. Conclusions: I. Penguins are birds, so they have wings. II. Bats have wings, so they are birds.

A. Neither I nor II follows

B. Both I and II follow

C. Only I follows

D. Only II follows

Answer: Option C

Solution (By JKExamLibrary)

I follows from the general rule 'all birds have wings' applied to penguins. II is a fallacy; having wings doesn't make a bat a bird. Only I follows.

This question belongs to: Reasoning Statement and Conclusion

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Statement and Conclusion Questions

Question #1

Share Report

Statements:
1. All cars are vehicles.
2. Some vehicles are not machines.
Conclusions:
I. Some cars are not machines.
II. All vehicles are cars.
Which conclusion(s) logically follow?

A. Both I and II follow

B. Only conclusion II follows

C. Neither I nor II follows

D. Only conclusion I follows

View Answer & Solution Discuss

Get Complete Subject PDF for Reasoning

Correct Answer: Option C

Explanation:
We know all cars are vehicles, but the vehicles that are not machines might be entirely outside the 'cars' circle. Therefore, Conclusion I is not definite. Conclusion II is a reverse of an 'All' statement, which is generally invalid. Neither follows.

This question belongs to: Reasoning Statement and Conclusion