Explore topic-wise MCQs in Discrete Mathematics.

This section includes 107 Mcqs, each offering curated multiple-choice questions to sharpen your Discrete Mathematics knowledge and support exam preparation. Choose a topic below to get started.

101.

Which of the following option is true?

A. If the Sun is a planet, elephants will fly
B. 3 +2 = 8 if 5-2 = 7
C. 1 > 3 and 3 is a positive integer
D. -2 > 3 or 3 is a negative integer
Answer» B. 3 +2 = 8 if 5-2 = 7
102.

In this circuit shown the lamp will be glowing if _________

A. P: True, Q: True, R: False
B. P: True, Q: True, R: True
C. P: False, Q: False, R: True
D. None of the mentioned
Answer» D. None of the mentioned
103.

Which statement should be true in order for lamp to glow?

A. (R ∧ (~(P ∧ Q))
B. P∧R∧Q
C. P ∧ (Q ∧ ~R)
D. None of the mentioned
Answer» B. P∧R∧Q
104.

If it is given that switch R is closed and Q is closed then the lamp will glow if _________

A. P: Open, S: Closed
B. P: Open, S: Open
C. P: Closed, S: Closed
D. None of the mentioned
Answer» B. P: Open, S: Open
105.

The given circuit can work if the switches P and Q be ___________

A. P: True, Q: False
B. P: True, Q: True
C. P: False, Q: False
D. All of the mentioned
Answer» E.
106.

The circuit depend on which switch/switches state to be complete?

A. P
B. Q
C. Both P and Q
D. None of the mentioned
Answer» B. Q
107.

The ten switches A,B,C,D,E,F,G,H,N,M are placed in the given circuit (all are open at given time). If you close one switch you need to pay 1 unit cost. What is the cost you need to pay to glow this Lamp?

A. 1 unit
B. 2 units
C. 3 units
D. 4 units
Answer» B. 2 units