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.

A group G of order 20 is __________

A. solvable
B. unsolvable
C. 1
D. not determined
Answer» B. unsolvable
Discussion
2.

An element of a commutative ring R(1≠0) is nilpotent if __________

A. a+1=0
B. an = 0, for some positive integer n
C. an = 1, for some integer n
D. a2 = 0
Answer» C. an = 1, for some integer n
Discussion
3.

All the rings of order p2 is ____________

A. associative
B. cyclic
C. inverse
D. commutative
Answer» E.
Discussion
4.

The Number of Elements Satisfying g7=e in a finite Group F is ______

A. even
B. not a number
C. odd
D. rational
Answer» D. rational
Discussion
5.

The order of a simple abelian group is __________

A. infinite
B. real number
C. finite
D. prime
Answer» B. real number
Discussion
6.

The number of generators of cyclic group of order 219 is __________

A. 144
B. 124
C. 56
D. 218
Answer» B. 124
Discussion
7.

A finite group G of order 219 is __________

A. a semigroup
B. a subgroup
C. a commutative inverse
D. a cyclic group
Answer» E.
Discussion
8.

What is an irreducible module?

A. A cyclic module in a ring with any non-zero element as its generator
B. A cyclic module in a ring with any positive integer as its generator
C. An acyclic module in a ring with rational elements as its generator
D. A linearly independent module in a semigroup with a set of real numbers
Answer» B. A cyclic module in a ring with any positive integer as its generator
Discussion
9.

Every cyclic group is a/an ______

A. infinite subgroup
B. abelian group
C. monoid
D. commutative semigroup
Answer» C. monoid
Discussion
10.

An infinite cyclic group does not have a ______ series.

A. AP
B. GP
C. Composite
D. Finite
Answer» D. Finite
Discussion