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Hot questions in Discrete Mathematics

1 votes
1 answer
2163
A first course in probability by Sheldon Ross
What are the relevant chapter of probability by sheldon ross to study for gate? I think whole syllabus is within chapter 5,Should i study everything upto chapter 5 or there are some topics that can be skipped.
What are the relevant chapter of probability by sheldon ross to study for gate?I think whole syllabus is within chapter 5,Should i study everything upto chapter 5 or ther...
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1 votes
1 answer
2164
How to solve this series which is in both AP and GP?
how to solve this series:
how to solve this series:
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1 votes
2 answers
2165
Kenneth Rosen Edition 7 Exercise 2.2 Question 37 (Page No. 137)
Show that if $A$ is a subset of a universal set $U$, then $A \oplus A = \phi.$ $A \oplus \phi = A.$ $A \oplus U = \sim A.$ $A \oplus \sim A= U.$
Show that if $A$ is a subset of a universal set $U$, then$A \oplus A = \phi.$$A \oplus \phi = A.$$A \oplus U = \sim A.$$A \oplus \sim A= U.$
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5 votes
3 answers
2166
UGC NET CSE | June 2016 | Part 2 | Question: 25
In how many ways can the string $A \cap B - A \cap B -A$ be fully paranthesized to yield an infix expression? 15 14 13 12
In how many ways can the string $A \cap B - A \cap B -A$ be fully paranthesized to yield an infix expression?15141312
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3 votes
4 answers
2168
UGC NET CSE | December 2012 | Part 2 | Question: 4
The power set of the set $\{ \Phi \}$ is $\{ \Phi \}$ $\{ \Phi, \{ \Phi \} \}$ $\{ 0 \}$ $\{ 0, \Phi , \{ \Phi \} \}$
The power set of the set $\{ \Phi \}$ is$\{ \Phi \}$$\{ \Phi, \{ \Phi \} \}$$\{ 0 \}$$\{ 0, \Phi , \{ \Phi \} \}$
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0 votes
1 answer
2169
Made_easy_test_series
The number of totally ordered sets compatible to the given POSET are ________.
The number of totally ordered sets compatible to the given POSET are ________.
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1 votes
1 answer
2172
TIFR-2014-Maths-A-5
Let $a_{n}=(n+1)^{100} e^{-\sqrt{n}}$ for $n \geq 1$. Then the sequence $(a_{n})_{n}$ is Unbounded Bounded but does not converge Bounded and converges to $1$ Bounded and converges to $0$
Let $a_{n}=(n+1)^{100} e^{-\sqrt{n}}$ for $n \geq 1$. Then the sequence $(a_{n})_{n}$ isUnboundedBounded but does not converge Bounded and converges to $1$Bounded and con...
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1 votes
2 answers
2173
isro exam december 2017
The number of elements in the power set of {{1,2},{2,1,1},{2,1,1,2}} is:
The number of elements in the power set of {{1,2},{2,1,1},{2,1,1,2}} is:
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8 votes
2 answers
2176
MadeEasy Test Series 2018: Graph Theory - Graph Coloring
Consider the following graph: Which of the following will represents the chromatic number of the graph? answer given is 4. Please provide a detailed solution.
Consider the following graph: Which of the following will represents the chromatic number of the graph?answer given is 4.Please provide a detailed solution.
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2 votes
2 answers
2178
CMI2010-B-02
Let $G$ be a graph in which each vertex has degree at least $k$. Show that there is a path of length $k$ in $G$—that is, a sequence of $k+1$ distinct vertices $v_0, v_1, \dots , v_k$ such that for $0 \leq i < k,$ $v_i$ is connected to $v_{i+1}$ in $G$.
Let $G$ be a graph in which each vertex has degree at least $k$. Show that there is a path of length $k$ in $G$—that is, a sequence of $k+1$ distinct vertices $v_0, v_1...
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4 votes
1 answer
2179
madeeasy workbook
how option a is correct
how option a is correct
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8 votes
3 answers
2180
Test by Bikram | Mathematics | Test 2 | Question: 25
See the above table of a,b,c,d. The total number of subgroups possible from the above diagram are _______.
See the above table of a,b,c,d. The total number of subgroups possible from the above diagram are _______.
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