Top 350+ Solved Discrete Mathematics MCQ Questions Answer
Q. A relation (34 × 78) × 57 = 57 × (78 × 34)can have property.
a. distributive
b. associative
c. commutative
d. closure
Q. B1: ({0, 1, 2….(n-1)}, xm) where xn standsfor “multiplication-modulo-n” and B2: ({0, 1, 2….n}, xn) where xn stands for “multiplication-modulo-m” are the two statements. Both B1 and B2 are considered to be
a. groups
b. semigroups
c. subgroups
d. associative subgroup
Q. Let * be the binary operation on the rational number given by a*b=a+b+ab. Which of the following property does not exist for the group?
a. closure property
b. identity property
c. symmetric property
d. associative property
Q. A group G, ({0}, +) under addition operation satisfies which of the following properties?
a. identity, multiplicity and inverse
b. closure, associativity, inverse and identity
c. multiplicity, associativity and closure
d. inverse and closure
Q. If (M, *) is a cyclic group of order 73, then number of generator of G is equal to
a. 89
b. 23
c. 72
d. 17
Q. The set of even natural numbers, {6, 8, 10, 12,..,} is closed under addition operation. Which of the following properties will it satisfy?
a. closure property
b. associative property
c. symmetric property
d. identity property
Q. A non empty set A is termed as an algebraic structure
a. with respect to binary operation *
b. with respect to ternary operation ?
c. with respect to binary operation +
d. with respect to unary operation –