Top 150+ Solved Discrete Structure (DS) MCQ Questions Answer

From 76 to 90 of 128

Q. ^ denotes

a. union

b. AND

c. set membership

d. negation

  • b. AND

Q. ~ denotes

a. union

b. AND

c. set membership

d. negation

  • d. negation

Q. Quantifiers variables

a. Negate

b. Change

c. give values to

d. bind

  • c. give values to

Q. A validity-maintaining procedure for deriving sentences in logic from other sentences is

a. Proof

b. Theorem

c. Inference rule

d. inference chain

  • c. Inference rule

Q. Inference rules maintain

a. completeness

b. validity

c. satisfiablity

d. logic

  • b. validity

Q. A validity-maintaining procedure for deriving sentences in logic from other sentences is a

a. Proof

b. Theorem

c. Inference rule

d. inference chain

  • c. Inference rule

Q. n a Venn diagram , the overlap between two circles represents:

a. the union of two sets

b. the intersection of two sets

c. the elements that are in either of two sets

d. the difference between the number of elements in two sets

  • b. the intersection of two sets

Q. Which of these subsets are equal: A = {r.t.s} B = {s,t,r,s} C = {t,s,t,r} D = {s,r,s,t}

a. A and B

b. A and C

c. B and D

d. all are equal

  • d. all are equal

Q. If B is a Boolean Algebra, then which of the following is true

a. B is a finite but not complemented lattice

b. B is a finite, complemented and distributive lattice

c. B is a finite, distributive but not complemente d lattice

d. B is not distributive lattice

  • b. B is a finite, complemented and distributive lattice

Q. The statement ( p^q) _ p is a

a. Contingency

b. contradiction

c. tautology

d. None

  • c. tautology
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