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# Discrete Mathematics | Propositions and Compound Statements MCQs

Discrete Mathematics | Propositions and Compound Statements MCQs: This section contains multiple-choice questions and answers on Propositions and Compound Statements in Discrete Mathematics.
Submitted by Anushree Goswami, on July 18, 2022

1. ____ are declarative sentences that are true or false?

1. Statements
2. Propositions
3. Both A and B
4. None of the above

Answer: C) Both A and B

Explanation:

Statements or propositions are declarative sentences that are true or false.

2. Which of the following statement is/are proposition(s)?

1. Narendra Modi is our current prime minister.
2. Yesterday it was rainy day.
3. a.a means a^2.
4. All of the above

Answer: D) All of the above

Explanation:

All the given mentioned statements are propositions -

1. Narendra Modi is our current prime minister.
2. Yesterday it was rainy day.
3. a.a means a^2.

3. Which of the following statement is/are not proposition(s)?

1. Pick up the bottle
3. a^a=20
4. All of the above

Answer: D) All of the above

Explanation:

All of the given statements are not propositions -

1. Pick up the bottle
3. a^a=20

4. Propositions are represented by lower case letters starting with _?

1. P
2. U
3. A
4. X

Explanation:

Propositions are represented by lower case letters starting with P.

5. Through logical connectives (operators), statements can be combined into a single statement called a ____ statement?

1. Collabrative
2. Doubled
3. Combined
4. Compound

Explanation:

Through logical connectives (operators), statements can be combined into a single statement called a compound statement.

6. Which of the following is/are logical connective(s)?

1. ~
2. All of the above

Answer: D) All of the above

Explanation:

Following are the logical connectives -

1. ~

7. Name of ~ is?

1. Negation
2. Conjunction
3. Disjunction
4. None of the above

Explanation:

Name of ~ is negation.

8. Connective of ~ is?

1. Not
2. And
3. Or
4. None

Explanation:

Connective of ~ is Not.

9. Name of ∧ is?

1. Negation
2. Conjunction
3. Disjunction
4. Implication

Explanation:

Name of ∧ is Conjunction.

10. Name of ∨ is?

1. Conditional
2. Biconditonal
3. Disjunction
4. Implication

Explanation:

Name of ∨ is Disjunction.

11. Name of ⟶ is/are -?

1. Implication
2. Conditional
3. Both A and B
4. None of the above

Answer: C) Both A and B

Explanation:

Name of ⟶ are Implication and Conditional.

12. Connective of ⟶ is/are -?

1. Implies
2. If…then
3. Both A and B
4. None of the above

Answer: C) Both A and B

Explanation:

Connective of ⟶ are Implies or if…then.

13. Name of ⟷ is/are -?

1. Equivalence
2. Biconditional
3. Both A and B
4. None of the above

Answer: C) Both A and B

Explanation:

Name of ⟷ are equivalence or biconditional.

14. Connective of ⟷ is -?

1. If
2. Only if
3. If and only if
4. None

Answer: C) If and only if

Explanation:

Connective of ⟷ is if and only if.