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 free semilattice has the _______ property.

A. intersection
B. commutative and associative
C. identity
D. universal
Answer» E.
2.

Every poset that is a complete semilattice must always be a _______

A. sublattice
B. complete lattice
C. free lattice
D. partial lattice
Answer» C. free lattice
3.

The graph is the smallest non-modular lattice N5. A lattice is _______ if and only if it does not have a _______ isomorphic to N5.

A. non-modular, complete lattice
B. moduler, semilattice
C. non-modular, sublattice
D. modular, sublattice
Answer» E.
4.

A sublattice(say, S) of a lattice(say, L) is a convex sublattice of L if _________

A. x>=z, where x in S implies z in S, for every element x, y in L
B. x=y and y<=z, where x, y in S implies z in S, for every element x, y, z in L
C. x<=y<=z, where x, y in S implies z in S, for every element x, y, z in L
D. x=y and y>=z, where x, y in S implies z in S, for every element x, y, z in L
Answer» D. x=y and y>=z, where x, y in S implies z in S, for every element x, y, z in L
5.

The graph given below is an example of _________

A. non-lattice poset
B. semilattice
C. partial lattice
D. bounded lattice
Answer» B. semilattice
6.

A ________ has a greatest element and a least element which satisfy 0<=a<=1 for every a in the lattice(say, L).

A. semilattice
B. join semilattice
C. meet semilattice
D. bounded lattice
Answer» E.
7.

______ and _______ are the two binary operations defined for lattices.

A. Join, meet
B. Addition, subtraction
C. Union, intersection
D. Multiplication, modulo division
Answer» B. Addition, subtraction
8.

If every two elements of a poset are comparable then the poset is called ________

A. sub ordered poset
B. totally ordered poset
C. sub lattice
D. semigroup
Answer» C. sub lattice
9.

In the poset (Z+, |) (where Z+ is the set of all positive integers and | is the divides relation) are the integers 9 and 351 comparable?

A. (where Z+ is the set of all positive integers and | is the divides relation) are the integers 9 and 351 comparable?a) comparable
B. not comparable
C. comparable but not determined
D. determined but not comparable
Answer» B. not comparable
10.

A Poset in which every pair of elements has both a least upper bound and a greatest lower bound is termed as _______

A. sublattice
B. lattice
C. trail
D. walk
Answer» C. trail