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MCQ Questions for CBSE Class 12 with Answers
MCQ Questions for CBSE Class 11 with Answers
MCQ Questions for CBSE Class 10 with Answers
MCQ Questions for CBSE Class 9 with Answers
MCQ Questions for CBSE Class 8 with Answers
MCQ Questions for CBSE Class 7 with Answers
MCQ Questions for CBSE Class 6 with Answers
MCQ Questions for CBSE Class 5 with Answers
MCQ Questions for CBSE Class 4 with Answers
MCQ Questions for CBSE Class 3 with Answers
MCQ Questions for CBSE Class 2 with Answers
MCQ Questions for CBSE Class 1 with Answers
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Discrete mathematics Gate & PSU MCQ Questions With Answers
1.
8. What is the 10th term of the geometric sequence 81, 54, 36,……
12957291\frac{295}{729}1729295
2262432\frac{26}{243}224326
−1295729-1\frac{295}{729}−1729295
−226243-2\frac{26}{243}−224326
2.
Which of the following is a proposition?
His excellency Rodrigo Duterte is the current president of the CSPC.
Obey the officials.
Mass testing, please!
Do you know who the president of the Philippines is?
3.
Existential Quantifiers also known as "there exists"
True
False
4.
Consider a complete bipartite graph km,n. For which values of m and n does this, complete graph have a Hamilton circuit ?
m=3, n=2
m=2, n=3
m=n≥2
m=n≥3
5.
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 –
option A
option B
option C
option D
6.
In the poset (P(S),⊆)(P(S),⊆)(P(S),⊆) The least element is
ϕ\phiϕ
S
P(S)
not exist
7.
The compliment of the set S is (Where U is an Universal set and A is any set)
S - A
U - S
S - U
A - S
8.
The monoid is a?
a non-abelian group
groupoid
A group
a commutative group
9.
A relation R is from set A to B and a relation S from set B to C. Then is from_____
Set C to A
Set A to C
Does not exist
None of these
10.
If A and B are two sets and A∩B=A∪BA∩B=A∪BA∩B=A∪B then
A=∅A=∅A=∅
A=B
B=∅B=∅B=∅
none
11.
Determine the characteristics of the relation aRb if a2 = b2.
Transitive and symmetric
Reflexive and asymmetry
Reflexive, antisymmetric, and irreflexive
Symmetric, Reflexive, and transitive
12.
It is computed by interchanging the hypothesis and the conclusion of the inverse statement.
Converse
Inverse
Contra-positive
13.
If A and B are two sets, then A∩〖(A∪B)〗c=A∩〖(A∪B)〗^c=A∩〖(A∪B)〗c=
ϕ\phiϕ
A`
B
none
14.
Let P: This is a great website, Q: You should not come back here. Then ‘This is a great website and you should come back here.’ is best represented by?
~P V ~Q
P ∧ ~Q
P V Q
P ∧ Q
15.
Order of the power set of a set of order n is
nnn
2n2n2n
n2n^2n2
2n2^n2n
16.
If A ⊂ B then Ac∩ B=If\ A\ ⊂\ B\ then\ A^c∩\ B=If A ⊂ B then Ac∩ B=
A - B
B - A
ϕ\phiϕ
A U B
17.
Which of the following option is true?
If the Sun is a planet, elephants will fly
3 +2 = 8 if 5-2 = 7
1 > 3 and 3 is a positive integer
-2 > 3 or 3 is a negative integer
18.
In the poset (Z+,∣)In\ the\ poset\ (Z^+,|)In the poset (Z+,∣) In the poset which of the following pairs of integers are coparable?
5,7
1,4
2,5
13,5
19.
For any non empty sets A and B if A⊂B then A∪B=A⊂B\ then\ A∪B=A⊂B then A∪B=
A
B
ϕ\phiϕ
none
20.
3 A group (M,*) is said to be abelian if ___________A) (x+y)=(y+x)B) (x*y)=(y*x)C) (x+y)=xD) (y*x)=(x+y)
OPTION A
OPTION B
OPTION C
OPTION D
21.
The binary relation {(1,1), (2,1), (2,2), (2,3), (2,4), (3,1), (3,2)} on the set {1, 2, 3} is __________
reflective, symmetric and transitive
irreflexive, symmetric and transitive
neither reflective, nor irreflexive but transitive
irreflexive and antisymmetric
22.
What is an inverse of – i in the multiplicative group if {1, – 1, i , – i} is?
1
-1
i
-i
23.
Actions: It is the state which contains that sentence we are trying to prove.
True
False
24.
Let S = {2,3, 4, 16} be ordered by divisibility. Then the maximal elements are
3,16
4,16
16,3
4,3
25.
If X = {1, 2, 3, 4, 5} and Y = {2, 4, 5, 6, 8} then X - Y equals to
{6, 8}
{1, 3}
{4, 5}
{1, 6}
26.
They are the only following laws/rules used in propositional logic: Modus Tollen, Modus Ponen, Syllogism, Biconditional Elimination and Contrapositive
True
False
27.
Length of the walk of a graph is
The number of vertices in walk W
The number of edges in walk W
Total number of edges in a graph
Total number of vertices in a graph
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