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Recent questions in Discrete Mathematics
0
votes
1
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61
GATE 2023 | Maths | Sample Ques for CS-IT
Let \(G\) be an abelian group and \(\Phi: G \rightarrow (\mathbb{Z}, +)\) be a surjective group homomorphism. Let \(1 = \Phi(a)\) for some \(a \in G\). Consider the following statements: \(P\): For every \(g \in G\), there exists an \(n \in \ ... following statements is/are correct? (A) \(P\) is TRUE (B) \(P\) is FALSE (C) \(Q\) is TRUE (D) \(Q\) is FALSE
rajveer43
asked
in
Set Theory & Algebra
Jan 10
by
rajveer43
70
views
set-theory
discrete-mathematics
0
votes
0
answers
62
GATE 2022 Stat | Question 16 | Linear Algebra
rajveer43
asked
in
Mathematical Logic
Jan 9
by
rajveer43
43
views
linear-algebra
1
vote
0
answers
63
GATE 2022 | Linear Algebra | Question 11
Let π΄ be a 2 Γ 2 real matrix such that $(π° + π΄)^-1 = π° β πΌπ΄$, where πΌ is a non-zero real number and π° is the 2 Γ 2 identity matrix. If the trace of the matrix π΄ is 3, then the value of πΌ is (A) 3/4 (B) 1/3 (C) 1/2 (D) 1/4
rajveer43
asked
in
Mathematical Logic
Jan 9
by
rajveer43
80
views
linear-algebra
1
vote
1
answer
64
selfdoubt combinatory
In how many ways can you distribute 4 different choclates to 3 people such that each gets atleast 1 choclate.
nihal_chourasiya
asked
in
Combinatory
Jan 7
by
nihal_chourasiya
186
views
self-doubt
made-easy-test-series
0
votes
1
answer
65
ISRO 2024
Maximum number of Simple graphs possible with $n$ vertices $2^{n(n-1)/2}$ $2^{(n-1)/2}$ $2^{n(n+1)/2}$ $2^{n(n+1)}$
Ramayya
asked
in
Graph Theory
Jan 7
by
Ramayya
179
views
isro-2024
graph-theory
discrete-mathematics
0
votes
1
answer
66
ISRO 2024
If there are five faces and nine vertices in an undirected planar graph, then number of edges is 14 6 12 None of the above
Ramayya
asked
in
Graph Theory
Jan 7
by
Ramayya
264
views
isro-2024
graph-theory
graph-planarity
0
votes
2
answers
67
ISRO 2024
Which of the following are trueββββββ? In a graph G with βnβ vertices and βeβ edges, sum of degrees of vertices = 2*e. Eccentricity of a connected graph can never be equal to radius of the graph Girth of a graph is the shortest cycle of the graph Graph with equal degree for all vertices is multigraph (i), (ii), (iii) (ii), (iii), (iv) (i), (iii), (iv) None of the above
Ramayya
asked
in
Graph Theory
Jan 7
by
Ramayya
412
views
isro-2024
discrete-mathematics
graph-theory
0
votes
0
answers
68
Made easy test series
Consider a strongly connected directed graph G(V, F), where |V| = 101. The minimum possible value of IEl is
abhishekbhingarde
asked
in
Graph Theory
Jan 6
by
abhishekbhingarde
98
views
0
votes
1
answer
69
How to find continuity and Diffrentiability
The real function f(x) = cos (|x|) is
Hritik1204
asked
in
Mathematical Logic
Jan 5
by
Hritik1204
73
views
0
votes
1
answer
70
MADE EASY TEST SERIES
Pls solve it
Dadu
asked
in
Set Theory & Algebra
Jan 2
by
Dadu
183
views
discrete-mathematics
made-easy-test-series
0
votes
1
answer
71
If |x| <1. Find the sum to infinity of the series 3 + 8x + 13x^2 + .......
If |x| < 1. Find the sum to infinity of the series $3 + 8x + 13x^2 + 18x^3 + ----- \infty$ $(3+2x)/(1-x^2)$ $(3-2x)/(1+x^2)$ $(2x-3)/(1-x^2)$ $(3+2x)/(1+x^2)$
gautham_reddy
asked
in
Mathematical Logic
Jan 1
by
gautham_reddy
329
views
0
votes
0
answers
72
Worksheet on Recurrence Relation
Find recurrence relations that are satisfied by the sequence formed from the following functions. (a) an = n!/15! (b) an = n2 β 6n + 8
Dagi
asked
in
Mathematical Logic
Dec 31, 2023
by
Dagi
110
views
0
votes
0
answers
73
#logic
Sir, In discrete mathematics 2024's lecture-17, at 15:30 you said "Every proposition variable is also a compound proposition". How it's possible Sir??? becoz by the definition of compound proposition, a proposition must contain a logical operator for being a compound proposition. @Deepak Poonia
pavan singh
asked
in
Mathematical Logic
Dec 30, 2023
by
pavan singh
126
views
goclasses
discrete-mathematics
propositional-logic
0
votes
1
answer
74
A tree has 2n vertices of degree 1, 3n vertices of degree 2 and n vertices of degree 3. Determine the number of vertices and edges in the tree.
SURAJ7201
asked
in
Graph Theory
Dec 29, 2023
by
SURAJ7201
230
views
graph-connectivity
1
vote
0
answers
75
Mathematical Logic: Which of the following is a logical consequence of $βx(p(x)β¨q(x))$
The following question is on the NPTEL archive of Assignment 2 of Discrete Mathematics Course,(Link : assessment id-15 (nptel.ac.in)) . I am not able to get how the answer is given option A but I am getting B, C and D. I have also attached my reasoning below. Let me know If I am missing something.
USharma02
asked
in
Mathematical Logic
Dec 24, 2023
by
USharma02
215
views
mathematical-logic
first-order-logic
discrete-mathematics
0
votes
0
answers
76
How many strings are there of lowercase letters of length four or less, not counting the empty string?
Md Sazzad
asked
in
Mathematical Logic
Dec 23, 2023
by
Md Sazzad
135
views
0
votes
0
answers
77
#self doubt
If [dn,/] is a lattice, then x=n/x for all x belongs to dn
Dknights
asked
in
Set Theory & Algebra
Dec 21, 2023
by
Dknights
68
views
discrete-mathematics
0
votes
1
answer
78
Testbook test seris
Please solve this question
Dadu
asked
in
Mathematical Logic
Dec 20, 2023
by
Dadu
198
views
functions
discrete-mathematics
1
vote
0
answers
79
Made Easy: Counting number of subgraphs of the given graph. How should I approach this question?
tishhaagrawal
asked
in
Graph Theory
Dec 16, 2023
by
tishhaagrawal
518
views
gate-preparation
test-series
made-easy-test-series
self-doubt
counting
graph-theory
discrete-mathematics
graph-connectivity
0
votes
0
answers
80
Find the MIS and MaxIS
Dknights
asked
in
Graph Theory
Dec 14, 2023
by
Dknights
135
views
graph-theory
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