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Recent questions in Discrete Mathematics

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5191

question
Anyone suggest best book for PROBABILITY where there are so many of qustions with answers that will be very helpful I have B.S Grewal but there probability s not so good

Madhab asked in Mathematical Logic Sep 29, 2016

by Madhab

238 views

1 vote

2 answers

5192

NET 2015 Paper 2
How many solutions are there for the equation $x+y+z+u=29,\, x\geq 1,y\geq 2,z\geq 3,u\geq 0$ ?

Devshree Dubey asked in Combinatory Sep 28, 2016

by Devshree Dubey

853 views

1 vote

1 answer

5193

Boolean Algebra
Which of the following is not a boolean Algebra (a) D40 (b) D66 (c) D210 (d) D646

akshay_845 asked in Set Theory & Algebra Sep 25, 2016

2.8k views

1 vote

2 answers

5194

Correct symbolical representation of statement => "All Birds are beautiful"
Correct symbolical representation of statement => "All Birds are beautiful" ? Now , here the logical way to approach seems like necessary condition. Since All birds are beautiful , can be equivalent to , ... , with when to choose conjunction vs implication and how the above form is closer to sentential form.

vishal8492 asked in Mathematical Logic Sep 25, 2016

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5195

Translate to sentential form. (V(x) {Pink(x) ^ Building(x) -> Wonderful(x) } )
(V(x) {Pink(x) ^ Building(x) -> Wonderful(x) } ) => Intuitively it seems like , (I) If building is pink then it is wonderful , but other form given is => (II) All pink buildings are wonderful. ... ) {Pink(x) ^ Building(x) -> Wonderful(x) } ) without any quantifier ? Or both are valid transalations here ?

vishal8492 asked in Mathematical Logic Sep 25, 2016

263 views

2 votes

1 answer

5196

UGC NET CSE | August 2016 | Part 2 | Question: 22
Consider an undirected graph $G$ where self-loops are not allowed. The vertex set of $G$ is ${(i, j) | 1 \leq i \leq 12, 1 \leq j \leq 12}$. There is an edge between $(a, b)$ and $(c, d)$ if $|a – c| \leq 1$ or $| b – d | \leq 1$. The number of edges in this graph is $726$ $796$ $506$ $616$

makhdoom ghaya asked in Graph Theory Sep 24, 2016

by makhdoom ghaya

1.4k views

4 votes

1 answer

5197

UGC NET CSE | August 2016 | Part 2 | Question: 5
Given the following graphs : $(G_{1})$ $(G_{2})$ Which of the following is correct ? $G_{1}$ contains Euler circuit and $(G_{2})$ does not contain Euler circuit. $(G_{1})$ does not contain Euler circuit and $(G_{2})$ contains Euler circuit. Both $(G_{1})$ and $(G_{2})$ do not contain Euler circuit. Both $(G_{1})$ and $(G_{2})$ contain Euler circuit.

makhdoom ghaya asked in Graph Theory Sep 23, 2016

by makhdoom ghaya

3.6k views

1 vote

1 answer

5198

UGC NET CSE | August 2016 | Part 2 | Question: 3
Let $A$ and $B$ be sets in a finite universal set $U$. Given the following : $|A - B|, |A \bigoplus B|, |A| + |B|$ and $|A \cup B|$ Which of the following is in order of increasing size ? $|A - B| < |A \bigoplus B| < |A| + |B| < |A \cup B|$ ... $|A - B| < |A \bigoplus B| < |A \cup B| < |A| + |B|$

makhdoom ghaya asked in Discrete Mathematics Sep 23, 2016

by makhdoom ghaya

1.6k views

1 vote

3 answers

5199

UGC NET CSE | August 2016 | Part 2 | Question: 2
Let us assume that you construct ordered tree to represent the compound proposition $(\sim (p \wedge q)) \leftrightarrow (\sim p \vee \sim q)$. Then, the prefix expression and post-fix expression determined using this ordered tree are given as _____ ...

makhdoom ghaya asked in Discrete Mathematics Sep 21, 2016

by makhdoom ghaya

2.0k views

0 votes

1 answer

5200

UGC NET CSE | August 2016 | Part 2 | Question: 1
The Boolean function $[\sim (\sim p \wedge q)\wedge \sim(\sim p \wedge \sim q)] \vee (p \wedge r)$ is equal to the Boolean function : $q$ $p \wedge r$ $p \vee q$ $p$

makhdoom ghaya asked in Discrete Mathematics Sep 21, 2016

by makhdoom ghaya

2.3k views

1 vote

2 answers

5201

counting
How many team of six with a captain can be selected from 12 person?

bahadur g asked in Combinatory Sep 20, 2016

586 views

1 vote

1 answer

5202

DM
$P\left ( x,y \right )\Rightarrow x+y=10$ State true/false 1.$\exists x\, \forall y \, \, P\left ( x,y \right )$. 2.$\forall y\, \exists x\, \, P\left ( x,y \right )$ if im wrong plz correct me.......

dileswar sahu asked in Mathematical Logic Sep 20, 2016

by dileswar sahu

312 views

1 vote

1 answer

5203

#DM
plz someone explain what is the diference between option (b)& (c)

dileswar sahu asked in Mathematical Logic Sep 20, 2016

by dileswar sahu

348 views

1 vote

1 answer

5204

Kenneth Rosen Edition 6th Exercise 1.3 Question 25 a,b (Page No. 48)
Anyone plz explain the difference between- "No one is perfect." "Not everyone is perfect." How to translate the above statements into logical expressions using predicates,quantifiers and logical connectives.. Thnx in advance..

anonymous asked in Mathematical Logic Sep 18, 2016

by anonymous

612 views

0 votes

1 answer

5205

Series
1+2+3+4+5+6+7+8..+n^2

Atul Verma12 asked in Mathematical Logic Sep 17, 2016

by Atul Verma12

493 views

0 votes

1 answer

5206

Maths series
1+(1+2)+(1+2+3)+(1+2+3+4)...(1+2+3+..n).How to slove this series?

Atul Verma12 asked in Mathematical Logic Sep 17, 2016

by Atul Verma12

3.3k views

0 votes

0 answers

5207

group theory
how many non-isomorphic groups that contain excty 5 elements? ?

Rajnish Kumar asked in Set Theory & Algebra Sep 16, 2016

by Rajnish Kumar

258 views

2 votes

1 answer

5208

MadeEasy Test Series: Combinatory - Permutations And Combinations
Number of 10 bit binary string where the string contains 3 consecutive 0's or 3 consecutive 1's?

Shreya Roy asked in Combinatory Sep 16, 2016

480 views

0 votes

2 answers

5209

UGC NET CSE | June 2010 | Part 2 | Question: 4
$S_{1}$ : I teach algorithms and maths. $S_{2}$ : My professor teaches maths, electronics and computer science. $S_{3}$ : I have a student of maths. $S_{4}$ : Algorithm is a part of computer science. $S_{5}$ : Maths students know computer ... amongst the entities/actors as expressed in the sentences $S_{1}$ to $S_{5}$ above ? $2$ $3$ $4$ None of these

makhdoom ghaya asked in Graph Theory Sep 14, 2016

by makhdoom ghaya

1.2k views

0 votes

1 answer

5210

yes asked in Mathematical Logic Sep 14, 2016

by yes

627 views

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