Explore topic-wise MCQs in Discrete Mathematics.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Discrete Mathematics knowledge and support exam preparation. Choose a topic below to get started.

1.

If P is always against the testimony of Q, then the compound statement P (P v ~Q) is a __________

A. Tautology
B. Contradiction
C. Contingency
D. None of the mentioned
Answer» B. Contradiction
2.

If the truth value of A v B is true, then truth value of ~A B can be ___________

A. True if A is false
B. False if A is false
C. False if B is true and A is false
D. None of the mentioned
Answer» B. False if A is false
3.

Negation of statement (A B) (B C) is _____________

A. (A B) (~B ~C)
B. ~(A B) v ( B v C)
C. ~(A B) (~B C)
D. None of the mentioned
Answer» B. ~(A B) v ( B v C)
4.

What is the dual of (A B) v (C D)?

A. (A V B) v (C v D)
B. (A V B) ^ (C v D)
C. (A V B) v (C D)
D. (A B) v (C v D)
Answer» C. (A V B) v (C D)
5.

Which of the following is De-Morgan s law?

A. P (Q v R) (P Q) v (P R)
B. ~(P R) ~P v ~R, ~(P v R) ~P ~R
C. P v ~P True, P ~P False
D. None of the mentioned
Answer» C. P v ~P True, P ~P False
6.

The compound statement A v ~(A B).

A. True
B. False
Answer» B. False
7.

Which of the following represents: ~A (negation of A) if A stands for I like badminton but hate maths ?

A. I hate badminton and maths
B. I do not like badminton or maths
C. I dislike badminton but love maths
D. I hate badminton or like maths
Answer» E.
8.

Which of the following statements is the negation of the statements 4 is odd or -9 is positive ?

A. 4 is even or -9 is not negative
B. 4 is odd or -9 is not negative
C. 4 is even and -9 is negative
D. 4 is odd and -9 is not negative
Answer» D. 4 is odd and -9 is not negative