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Recent questions tagged discrete-mathematics

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183
Gate applied test series: Discrete Maths
Anyone with detailed solution?
Anyone with detailed solution?
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2 answers
184
Discrete Mathematics and Its Applications by Kenneth H. Rosen
From where can i get full solution of Discrete Mathematics and Its Applications by Kenneth H. Rosen ?
From where can i get full solution of Discrete Mathematics and Its Applications by Kenneth H. Rosen ?
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1 answer
185
combinatorics
How many 5-digit even numbers have all digits distinct?
How many 5-digit even numbers have all digits distinct?
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1 answer
186
madeeasy test series
Plz explain this..If possible share some resources.
Plz explain this..If possible share some resources.
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2 votes
1 answer
189
graph theory
complete directed graph with 8 vertices has 28 edges this statement is true or false plese explain?
complete directed graph with 8 vertices has 28 edges this statement is true or falseplese explain?
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1 answer
190
NIELIT STQC STA 2021
Let $C(n,r)= \binom{n}{r}$.The value of $\sum_{k=0}^{20}(2k+1)C(41,2k+1)$ is : A)40(2)^40 B)40(2)^39 C)41(2)^40 D)41(2)^39
Let $C(n,r)= \binom{n}{r}$.The value of $\sum_{k=0}^{20}(2k+1)C(41,2k+1)$ is :A)40(2)^40 B)40(2)^39C)41(2)^40D)41(2)^39
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191
Verify that, if either R1 or R2 is irreflexive then so is R1 * R2
Verify that, if either R1 or R2 is irreflexive then so is R1 * R2
Verify that, if either R1 or R2 is irreflexive then so is R1 * R2
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1 votes
1 answer
192
CMI-2021-Data Science
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1 answer
194
Nptel Assignment Question
Given p, we want to prove q. Which of the following will suffice: (a) ¬q =⇒ ¬p (b) p ∧ q =⇒ q (c) ¬p ∧ ¬q =⇒ p (d) ¬q =⇒ q (e) p ∧ ¬q ∧ r =⇒ ¬r (f) none of these
Given p, we want to prove q. Which of the following will suffice:(a) ¬q =⇒ ¬p(b) p ∧ q =⇒ q(c) ¬p ∧ ¬q =⇒ p(d) ¬q =⇒ q(e) p ∧ ¬q ∧ r =⇒ ¬r(f) non...
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2 votes
1 answer
195
Nptel Assignment Question
The sum $\displaystyle{}\sum_{k=1}^{n}(1 + 2 + \dots + k)$ is a polynomial of what degree $1$ $2$ $3$ $4$ $5$
The sum $\displaystyle{}\sum_{k=1}^{n}(1 + 2 + \dots + k)$ is a polynomial of what degree$1$$2$$3$$4$$5$
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2 votes
1 answer
198
Applied Grand Test 2
Consider the equivalence relation R induced by the partition P={{1},{3},{2,4,5,6}} of set A={1,2,3,4,5,6}. The number of ordered pairs in R is ____
Consider the equivalence relation R induced by the partition P={{1},{3},{2,4,5,6}} of set A={1,2,3,4,5,6}.The number of ordered pairs in R is ____
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3 votes
3 answers
199
Applied Test Series
The number of possible ways in which 5 identical helicopters can take off given that we are having 5 helipads.____
The number of possible ways in which 5 identical helicopters can take off given that we are having 5 helipads.____
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1 votes
1 answer
201
Combinatorics Question| Discrete Maths
Suppose there are 4 cricket matches to be played in 3 grounds. The number of ways the matches can be assigned to the grounds so that each ground gets at least one match is
Suppose there are 4 cricket matches to be played in 3 grounds. The number of ways the matches can be assigned to the grounds so that each ground gets at least one match i...
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2 votes
1 answer
202
Applied Test Series
A Professor tells 3 Jokes in his maths class each year. How large a set of jokes does the professor need in order never to repeat the exact same triple of jokes over a period of 12 years?_________
A Professor tells 3 Jokes in his maths class each year. How large a set of jokes does the professor need in order never to repeat the exact same triple of jokes over a pe...
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0 votes
1 answer
203
GATE ACADEMY TEST SERIES
What is the minimum number of students, each of whom comes from one of the 50 states, who must be enrolled in a university to guarantee that there are at least 100 who come from the same state?
What is the minimum number of students, each of whom comes from one of the 50 states, who must be enrolled in a university to guarantee that there are at least 100 who co...
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2 votes
2 answers
204
CMI-2018-DataScience-A: 3
Let $x=\begin{bmatrix} 3& 1 & 2 \end{bmatrix}$. Which of the following statements are true? $x^Tx$ is a $3\times 3$ matrix $xx^T$ is a $3\times 3$ matrix $xx^T$ is a $1\times 1$ matrix $xx^T=x^Tx$
Let $x=\begin{bmatrix} 3& 1 & 2 \end{bmatrix}$. Which of the following statements are true?$x^Tx$ is a $3\times 3$ matrix$xx^T$ is a $3\times 3$ matrix$xx^T$ is a $1\time...
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