Top 350+ Solved Discrete Mathematics MCQ Questions Answer
Q. The set O of odd positive integers less than 10 can be expressed by ___________
a. {1, 2, 3}
b. {1, 3, 5, 7, 9}
c. {1, 2, 5, 9}
d. {1, 5, 7, 9, 11}
Q. Which of the following two sets are equal?
a. a = {1, 2} and b = {1}
b. a = {1, 2} and b = {1, 2, 3}
c. a = {1, 2, 3} and b = {2, 1, 3}
d. a = {1, 2, 4} and b = {1, 2, 3}
Q. The members of the set S = {x x is the square of an integer and x < 100} is _________________.
a. {0, 2, 4, 5, 9, 58, 49, 56, 99, 12}
b. {0, 1, 4, 9, 16, 25, 36, 49, 64, 81}
c. {1, 4, 9, 16, 25, 36, 64, 81, 85, 99}
d. {0, 1, 4, 9, 16, 25, 36, 49, 64, 121}
Q. The union of the sets {1, 2, 5} and {1, 2, 6} is the set _______________.
a. {1, 2, 6, 1}
b. {1, 2, 5, 6}
c. {1, 2, 1, 2}
d. {1, 5, 6, 3}
Q. The intersection of the sets {1, 2, 5} and {1, 2, 6} is the set ___________.
a. {1, 2}
b. {5, 6}
c. {2, 5}
d. {1, 6}
Q. Two sets are called disjoint if there _____________ is the empty set.
a. union complement
b. difference
c. intersection
d. complement
Q. Which of the following two sets are disjoint?
a. {1, 3, 5} and {1, 3, 6}
b. {1, 2, 3} and {1, 2, 3}
c. {1, 3, 5} and {2, 3, 4}
d. {1, 3, 5} and {2, 4, 6}
Q. The bit strings for the sets are 1111100000 and 1010101010. The union of these sets is ____________.
a. 1010100000
b. 1010101101
c. 1111111100
d. 1111101010