AFCAT Reasoning Answer Key with Explanations

Introduction:
The AFCAT (Air Force Common Admission Test) is a national-level examination conducted by the Indian Air Force to select candidates for various branches in the Indian Air Force. The reasoning section of AFCAT evaluates a candidate's logical and analytical skills. Here is the answer key for the reasoning section along with detailed explanations for each question.

Question 1:
Statement: All dogs are animals.
Conclusion: Some animals are dogs.

Explanation:
The conclusion is valid because if all dogs are animals, then it is possible for some animals to be dogs. The statement supports the conclusion.

Question 2:
Statement: Some birds can fly.
Conclusion: All birds can fly.

Explanation:
The conclusion is not valid because the statement mentions that "some" birds can fly, which does not imply that "all" birds can fly. The conclusion goes beyond the given information and is therefore incorrect.

Question 3:
Statement: All cats are mammals.
Conclusion: All mammals are cats.

Explanation:
The conclusion is not valid because although all cats are mammals, it does not mean that all mammals are cats. The statement only provides information about cats and their classification as mammals, not about other mammals.

Question 4:
Statement: No pencils are pens.
Conclusion: Some pens are pencils.

Explanation:
The conclusion is not valid because the statement states that "no" pencils are pens, which means there is no overlap between the two categories. Therefore, it is not possible for some pens to be pencils.

Question 5:
Statement: All doctors are professionals.
Conclusion: All professionals are doctors.

Explanation:
The conclusion is not valid because while all doctors are professionals, it does not mean that all professionals are doctors. The statement only provides information about doctors being professionals, not about other professionals.

Question 6:
Statement: Some flowers are red.
Conclusion: All flowers are red.

Explanation:
The conclusion is not valid because the statement mentions that "some" flowers are red, which does not imply that "all" flowers are red. The conclusion goes beyond the given information and is therefore incorrect.

Question 7:
Statement: All students are learners.
Conclusion: Some learners are students.

Explanation:
The conclusion is valid because if all students are learners, then it is possible for some learners to be students. The statement supports the conclusion.

Question 8:
Statement: No elephants can fly.
Conclusion: Some elephants can fly.

Explanation:
The conclusion is not valid because the statement explicitly states that "no" elephants can fly, which means none of them can. Therefore, it is not possible for some elephants to fly.

Question 9:
Statement: Some fruits are sweet.
Conclusion: All sweet things are fruits.

Explanation:
The conclusion is not valid because while some fruits are sweet, it does not mean that all sweet things are fruits. The statement only provides information about fruits being sweet, not about other sweet things.

Question 10:
Statement: Some cars are blue.
Conclusion: All blue things are cars.

Explanation: