Explore topic-wise MCQs in Discrete Mathematics.

This section includes 10 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.

Parul is out for a trip or it is not snowing and It is snowing or Raju is playing chess imply that __________

A. Parul is out for trip
B. Raju is playing chess
C. Parul is out for a trip and Raju is playing chess
D. Parul is out for a trip or Raju is playing chess
Answer» E.
Discussion
2.

What rules of inference are used in this argument?
Jay is an awesome student. Jay is also a good dancer. Therefore, Jay is an awesome student and a good dancer.

A. Conjunction
B. Modus ponens
C. Disjunctive syllogism
D. Simplification
Answer» B. Modus ponens
Discussion
3.

The premises (p q) r and r s imply which of the conclusion?

A. p r
B. p s
C. p q
D. q r
Answer» C. p q
Discussion
4.

What rules of inference are used in this argument?
It is either colder than Himalaya today or the pollution is harmful. It is hotter than Himalaya today. Therefore, the pollution is harmful.

A. Conjunction
B. Modus ponens
C. Disjunctive syllogism
D. Hypothetical syllogism
Answer» D. Hypothetical syllogism
Discussion
5.

What rules of inference are used in this argument?
All students in this science class has taken a course in physics and Marry is a student in this class imply the conclusion Marry has taken a course in physics.

A. Universal instantiation
B. Universal generalization
C. Existential instantiation
D. Existential generalization
Answer» B. Universal generalization
Discussion
6.

What rule of inference is used in this argument?
If I go for a balanced diet, then I will be fit. If I will be fit, then I will remain healthy. Therefore, if I go for a balanced diet, then I will remain healthy.

A. Modus tollens
B. Modus ponens
C. Disjunctive syllogism
D. Hypothetical syllogism
Answer» E.
Discussion
7.

What rule of inference is used here?
It is cloudy and drizzling now. Therefore, it is cloudy now.

A. Addition
B. Simplification
C. Resolution
D. Conjunction
Answer» C. Resolution
Discussion
8.

Which rule of inference is used, Bhavika will work in an enterprise this summer. Therefore, this summer Bhavika will work in an enterprise or he will go to beach.

A. Simplification
B. Conjunction
C. Addition
D. Disjunctive syllogism
Answer» D. Disjunctive syllogism
Discussion
9.

Which rule of inference is used in each of these arguments, If it hailstoday, the local office will be closed. The local office is not closed today. Thus, it did not hailed today.

A. Modus tollens
B. Conjunction
C. Hypothetical syllogism
D. Simplification
Answer» B. Conjunction
Discussion
10.

Which rule of inference is used in each of these arguments, If it is Wednesday, then the Smartmart will be crowded. It is Wednesday. Thus, the Smartmart is crowded.

A. Modus tollens
B. Modus ponens
C. Disjunctive syllogism
D. Simplification
Answer» C. Disjunctive syllogism
Discussion