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Recent questions in Engineering Mathematics
3
votes
2
answers
8101
Counting number of functions which are neither 1-1 nor onto
Let $A = \left \{1, 2, 3, 4 \right \}$. Number of functions possible on $A$ which are neither $1-1$ nor on-to is _________.
shikharV
asked
in
Combinatory
Dec 31, 2015
by
shikharV
590
views
combinatory
engineering-mathematics
0
votes
1
answer
8102
Question on combinatorics
Given solution of this question: I think that number of 5 elements subsets with 7 should be C(n-1, 4) instead of C(n,4) as we have already fixed 7 so number of elements left will be n-1. Please check
shikharV
asked
in
Combinatory
Dec 31, 2015
by
shikharV
1.3k
views
engineering-mathematics
combinatory
1
vote
2
answers
8103
Question on rolling fair dice
Given answer: A Please explain
shikharV
asked
in
Combinatory
Dec 30, 2015
by
shikharV
537
views
engineering-mathematics
combinatory
1
vote
1
answer
8104
Question on counting number of ways scholarship can be distributed
Given explanation of the question: I believe that in place of last C(8,3) it should be C(7,3) because 3 people have been already chosen before that. Please check whether I am correct or not.
shikharV
asked
in
Combinatory
Dec 30, 2015
by
shikharV
399
views
combinatory
engineering-mathematics
4
votes
2
answers
8105
Limits 1raise to infinite
$\lim_{x \rightarrow \infty} \left(\frac{x^{2} + 5x +3}{x^{2} + x + 2}\right)^{x}$
bahirNaik
asked
in
Calculus
Dec 30, 2015
by
bahirNaik
450
views
limits
calculus
3
votes
2
answers
8106
Limits Indeterminate forms
$\lim_{x \rightarrow 0^{+}} x^{\frac{1}{\ln x}}$
bahirNaik
asked
in
Calculus
Dec 30, 2015
by
bahirNaik
885
views
limits
calculus
0
votes
1
answer
8107
counting function
How many function are there from the set{1,2,3,........n} where n is positive integer ,to the set {0,1}. a) that assigns 0 to both 1 and n? b)that assign 1 to exactly one of positive integer less than n?
ManojK
asked
in
Combinatory
Dec 30, 2015
by
ManojK
384
views
3
votes
1
answer
8108
Limits indeterminate form
$\lim_{x \rightarrow \infty} \left(\frac{x + 4}{x + 3}\right)^{x + 1}$
bahirNaik
asked
in
Calculus
Dec 30, 2015
by
bahirNaik
377
views
calculus
limits
2
votes
1
answer
8109
How to represent the below proposition ?
Gold and silver ornaments are precious . $G(x): x$ is a gold ornament. $S(x): x$ is a silver ornament. $P(x): x$ ... Although universal quantifier is not distributive over disjunction but in this case the ornament will belong to only 1 category, so is there any with this?
radha gogia
asked
in
Mathematical Logic
Dec 30, 2015
by
radha gogia
665
views
mathematical-logic
first-order-logic
4
votes
1
answer
8110
First Order Logic Question: English to predicate
2. Let S(x) be the predicate "x is a student," B(x) the predicate "x is a book, " and H(x,y) the predicate "x has y, " where the universe of discourse is the universe, that is the set of all objects. ... will someone explain briefly ? I tried my best to dechiper in to predicate, But failed.
Prasanna
asked
in
Mathematical Logic
Dec 30, 2015
by
Prasanna
2.3k
views
mathematical-logic
first-order-logic
engineering-mathematics
3
votes
1
answer
8111
Bayes Probability
Supppose you have a large barrel containing a number of plastic eggs. Some eggs contain pearl and rest contain nothing.Some eggs are painted blue,rest are painted red. Suppose 40 % of the eggs are painted blue,(5/13) of the eggs containing pearls are painted blue,and 20 % of the red eggs are empty. What is the probability that the egg painted blue contains a pearl?
bahirNaik
asked
in
Probability
Dec 30, 2015
by
bahirNaik
1.1k
views
probability
conditional-probability
4
votes
1
answer
8112
How many strongly connected component are there in the above graph
Consider the following graph (G): How many strongly connected components are there in the above graph?
worst_engineer
asked
in
Graph Theory
Dec 29, 2015
by
worst_engineer
9.0k
views
graph-theory
2
votes
1
answer
8113
Find out the probability
'X' is playing a dice game in which a dice is rolled 5 times.If a number turns up exactly 3 times then the game is won.'X' has thrown the dice 2 times and got number 4 both times.What is the probability that 'X' will win the game? a) 1/216 b) 75/216 c) 80/216 d) 90/216
sampad
asked
in
Probability
Dec 28, 2015
by
sampad
647
views
0
votes
1
answer
8114
p&c
six balls have to be placed in the squares such that each row has atleast one ball . no of ways of doing this is-
shreshtha5
asked
in
Combinatory
Dec 28, 2015
by
shreshtha5
649
views
combinatory
1
vote
2
answers
8115
Probablity: A bag Contains
Prasanna
asked
in
Probability
Dec 28, 2015
by
Prasanna
402
views
probability
engineering-mathematics
2
votes
1
answer
8116
Combinatory
The number of ways 16 identical objects can be distributed among 4 persons such that each person gets atleast 2 objects is ______. If possible kindly explain me the approach.
UK
asked
in
Combinatory
Dec 27, 2015
by
UK
509
views
combinatory
engineering-mathematics
1
vote
2
answers
8117
group theory
Which of the following is not a group? Set of integer under multiplication operation. Set of natural number under multiplication. Set of natural number under addition. All of the above Why is it not group under addition? Ans given is d.
UK
asked
in
Set Theory & Algebra
Dec 27, 2015
by
UK
1.7k
views
graph-theory
set-theory&algebra
group-theory
0
votes
0
answers
8118
How to approach this type of Mathematical logic Question
The answer is option c. I want to know how to solve these type of questions and how other options are not the correct answer.
Utk
asked
in
Mathematical Logic
Dec 27, 2015
by
Utk
1.8k
views
mathematical-logic
normal
1
vote
3
answers
8119
How to represent the below proposition using a well-defined formula ?
The only even prime is 2.
radha gogia
asked
in
Mathematical Logic
Dec 26, 2015
by
radha gogia
828
views
mathematical-logic
4
votes
1
answer
8120
Graph theory
If a simple graph has 3 component and these component have 4,5,6 vertices ,then maximum number of edge present in graph. (a) 26 (b) 76 (c)30 (d)42
ManojK
asked
in
Graph Theory
Dec 26, 2015
by
ManojK
1.4k
views
graph-theory
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