[ CSE 41 ] CIVIL SERVICE EXAMINATION REVIEWER - Logic

Civil Service Examination Reviewer

Instructions:

Please answer each question to the best of your ability. Each question is multiple choice, and only one answer per question is correct. Select the most appropriate answer from the options provided.

When you have completed all questions, click the "Submit" button at the bottom of the page to see your score. Good luck!

1. If it rains, I will bring an umbrella. It is raining. What can we conclude?

A) I did not bring an umbrella.
B) I will bring an umbrella.
C) It is not raining.
D) I am staying inside.

2. Which of the following is an example of an "If...then" statement?

A) If I study hard, I will pass the exam.
B) I will pass the exam if I study hard.
C) Studying hard will help you pass the exam.
D) You will pass the exam if you study hard.

3. If all dogs are animals and this is a dog, which of the following is true?

A) This is an animal.
B) This is not an animal.
C) This is a plant.
D) This is not a dog.

4. If it is sunny, I will go to the beach. It is sunny. What will I do?

A) Go to the beach.
B) Stay indoors.
C) Go shopping.
D) Stay in bed.

5. All cats are mammals. This is a cat. Which of the following is true?

A) This is a mammal.
B) This is not a mammal.
C) This is a bird.
D) This is a reptile.

6. Which of the following is a logical conclusion based on the statement: "If you study, you will learn?"

A) You will learn if you study.
B) If you learn, you must have studied.
C) If you don’t study, you will learn.
D) You don’t need to study to learn.

7. Which of the following is an example of a disjunction?

A) Either it is raining or it is snowing.
B) If it is raining, I will bring an umbrella.
C) I will bring an umbrella if it rains.
D) If I study, I will pass the exam.

8. What is the converse of the statement "If it is snowing, I will wear a coat?"

A) If I wear a coat, then it is snowing.
B) If I wear a coat, then it will snow.
C) If it is not snowing, I will not wear a coat.
D) If it is snowing, I will not wear a coat.

9. If I eat too much candy, I will feel sick. I ate too much candy. What will happen?

A) I will feel sick.
B) I will feel fine.
C) I will feel better.
D) I will feel hungry.

10. Which of the following is an example of an "If...then" statement?

A) If it rains, we will stay home.
B) We will stay home if it rains.
C) It rains, we stay home.
D) If it rains, staying home is the best option.

11. Which of the following is an example of a tautology?

A) If it is sunny, then it is sunny.
B) Either it is sunny or it is not sunny.
C) If it rains, then it rains.
D) If it is raining, then it will not rain.

12. Which of the following is an example of a contrapositive?

A) If it is raining, then I will bring an umbrella.
B) If I do not bring an umbrella, then it is not raining.
C) If it is not raining, then I will not bring an umbrella.
D) If I bring an umbrella, then it is raining.

13. If I get an A in math, I will get a scholarship. I did not get an A in math. What can we conclude?

A) I will not get a scholarship.
B) I might still get a scholarship.
C) I will definitely get a scholarship.
D) I will not get a scholarship unless I get an A.

14. If it is a weekend, I will go to the beach. Today is a weekend. What will I do?

A) I will go to the beach.
B) I will go to work.
C) I will stay home.
D) I will do homework.

15. Which of the following is an example of an implication?

A) If I study, I will pass the exam.
B) I will study and pass the exam.
C) I study, I pass the exam.
D) I study if I want to pass the exam.

16. What is the inverse of the statement "If it rains, I will carry an umbrella"?

A) If it does not rain, I will not carry an umbrella.
B) If it rains, I will not carry an umbrella.
C) If I carry an umbrella, it will rain.
D) If it does not rain, I will carry an umbrella.

17. Which of the following is an example of a disjunction?

A) It is either raining or snowing.
B) If it is raining, I will stay home.
C) If it rains, I will bring an umbrella.
D) If it rains, then I will be late.

18. What is the converse of the statement "If it is a holiday, I will go shopping?"

A) If I go shopping, it is a holiday.
B) If I go shopping, then it is a holiday.
C) If it is a holiday, I will not go shopping.
D) If it is not a holiday, I will not go shopping.

19. If I eat too much, I will feel tired. I ate too much. What can we conclude?

A) I will feel tired.
B) I will not feel tired.
C) I will feel energized.
D) I will sleep right away.

20. Which of the following statements represents a conditional statement?

A) If I study, I will pass the test.
B) Studying hard leads to passing the test.
C) I will pass the test if I study hard.
D) I study, I pass the test.

21. Which of the following is an example of a contradiction?

A) It is both raining and not raining at the same time.
B) It is impossible for something to be both true and false at the same time.
C) If I eat chocolate, I feel happy.
D) If I study hard, I will pass the test.

22. Which of the following is the contrapositive of the statement "If it rains, I will bring an umbrella"?

A) If I do not bring an umbrella, then it does not rain.
B) If it does not rain, then I will not bring an umbrella.
C) If I bring an umbrella, then it will rain.
D) If I do not bring an umbrella, it will rain.

23. Which of the following is an example of a biconditional statement?

A) I will go if and only if I finish my homework.
B) If I go, I will finish my homework.
C) If I finish my homework, I will go.
D) If I do not finish my homework, I will not go.

24. Which of the following is an example of a disjunction?

A) Either I will pass the test or I will fail.
B) If I study, I will pass the test.
C) I will pass the test if I study hard.
D) If it rains, I will bring an umbrella.

25. Which of the following statements is a valid conclusion given the premise "If it is raining, then I will bring an umbrella"?

A) It is raining, so I am bringing an umbrella.
B) It is not raining, so I am not bringing an umbrella.
C) I am not bringing an umbrella, so it is not raining.
D) I am bringing an umbrella, so it is raining.

26. If "All students passed the test" is true, what can be concluded about the statement "Some students did not pass the test"?

A) It must also be true.
B) It must be false.
C) It could be true, but we cannot know for sure.
D) It is independent of the truth of the original statement.

27. Which of the following is an example of a valid syllogism?

A) All cats are mammals. Some mammals are dogs. Therefore, some cats are dogs.
B) All cats are mammals. All mammals are animals. Therefore, all cats are animals.
C) All fruits are sweet. Some sweet things are cakes. Therefore, some fruits are cakes.
D) Some birds are sparrows. All sparrows are birds. Therefore, some birds are sparrows.

28. If the statement "If it is raining, I will bring an umbrella" is true, which of the following is logically equivalent?

A) If I do not bring an umbrella, then it is not raining.
B) If I bring an umbrella, then it is raining.
C) If it is not raining, then I will not bring an umbrella.
D) If it is raining, I will not bring an umbrella.

29. Which of the following is an example of a necessary condition?

A) If I am in the classroom, then the class is in session.
B) I will pass the test if I study hard.
C) I study if I want to pass the test.
D) I can play football if I wear my jersey.

30. Which of the following is a valid deduction from the statement "If I study, I will pass the exam"?

A) If I did not pass the exam, then I did not study.
B) If I study, I will pass the exam.
C) If I did not study, I will not pass the exam.
D) I will study only if I pass the exam.

Result

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