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Recent questions and answers in Engineering Mathematics
0
votes
0
answers
Made easy  Discrete mathematics
How many ways can 10 balls be chosen from a container having 10 identical green balls , 5 identical yellow balls and 3 identical blue balls
asked
3 days
ago
in
Combinatory
by
Mitali gupta
(
6
points)

7
views
discrete_maths
#combinatory
0
votes
0
answers
Self Doubt combinatorics
Let X denote the number of ways of distributing 7 identical balls to 3 children such that each child gets at least one ball. Then the value of X is equal to _________. what should I be using here.. ($_{r}^{n1+r}\textrm{}$) or
asked
Feb 7
in
Combinatory
by
kalra05
(
73
points)

41
views
discrete_maths
0
votes
0
answers
Made Easy FLT
If we do it with stirling approximation , then ans 301, but that is not correct according to ans key. But why cannot we solve it stirling approximation?? What is wrong in it??
asked
Feb 6
in
Mathematical Logic
by
srestha
(
679
points)

31
views
madeeasytestseries
0
votes
0
answers
Gate ME 2020.
For the matrix 1 1 0 1 2 1 0 1 1 $\begin{bmatrix} 1 &1 &0 \\ 1& 2 &1 \\ 0 &1 &1 \end{bmatrix}$ has eigen vector ? (A) 1 1 1 (B) 1 1 1 (C) 1 1 1 (D) 1 1 1
asked
Feb 6
in
Linear Algebra
by
Priyansh Singh
(
257
points)

42
views
#linearalgebra
0
votes
0
answers
Gate ME 2020
Multiplication of real valued square matrices of same dimension is : (A)Commutative (B)Associative (C)Always positive definite (D)Not always possible to compute
asked
Feb 6
in
Linear Algebra
by
Priyansh Singh
(
257
points)

29
views
#linearalgebra
0
votes
0
answers
Combinatorics Self Doubt
https://gateoverflow.in/48924/combinationswithrepetitions Somebody, please explain all the cases asked in the above question.
asked
Feb 6
in
Combinatory
by
kashyap02
(
26
points)

23
views
#permutationandcombination
#discrete_maths
#combinatory
0
votes
0
answers
MADE EASY: PREVIOUS QUESTION REVISION
The number of ways, we can arrange 5 books in 3 shelves ?
asked
Feb 4
in
Mathematical Logic
by
Debapaul
(
698
points)

36
views
+1
vote
1
answer
Virtual GATEFLT
How do we identity or inverse element here?Is option B) correct?
answered
Feb 4
in
Linear Algebra
by
shashin
(
1.9k
points)

32
views
discrete_maths
+1
vote
1
answer
GATE 2020: MECHANICAL: APTI
answered
Feb 3
in
Mathematical Logic
by
shashin
(
1.9k
points)

56
views
0
votes
0
answers
GATE 2020 ME: EIGEN VALUES
asked
Feb 3
in
Mathematical Logic
by
Debapaul
(
698
points)

24
views
0
votes
0
answers
GATE 2020 ME: PROBABILITY
asked
Feb 3
in
Mathematical Logic
by
Debapaul
(
698
points)

31
views
#probability
0
votes
0
answers
ECE 2020: ENTROPY
asked
Feb 3
in
Mathematical Logic
by
Debapaul
(
698
points)

38
views
#probability
+1
vote
1
answer
ECE 2020 PROBABILITY
answered
Feb 3
in
Mathematical Logic
by
shashin
(
1.9k
points)

106
views
#probability
+1
vote
1
answer
Applied course test series : Cyclic group
$\{a^2,a^3,a^5,a^{13}\}$ $\{a^2,a^5,a^7,a^{13}\}$ $\{a^2,a^6,a^{10},a^{14}\}$ None of these How to solve the above question?
answered
Feb 3
in
Set Theory & Algebra
by
Shaik Masthan
(
622
points)

100
views
settheory
0
votes
0
answers
Made Easy Test Series Discrete Mathematics
Let a graph G has 5 vertices and here are 3 vertices of degree 2 , one vertex of degree 1 and remaining vertex of degree 3. The complement of G is: Connected Disconnected Either (a) or (b) None of the above
asked
Feb 2
in
Mathematical Logic
by
rohit090893
(
10
points)

50
views
madeeasytestseries
0
votes
0
answers
Intermediate Value Theorem
Can someone explain me Intermediate value theorem in simple words and its application in problems?
asked
Feb 2
in
Calculus
by
kashyap02
(
26
points)

7
views
#enggmaths
#calculus
0
votes
1
answer
Gate Computer Science
Is laplace transform there in Gate cs syllabus?Also how much marks does it carry?
answered
Feb 2
in
Calculus
by
kashyap02
(
26
points)

25
views
#gatepreparation
0
votes
0
answers
GATE GURU: C PROGRAMMING
#include<stdio.h> int rec(int n) { static int num=5; if (n<=0) return 10; if (n>3) { num=50; return (num + rec(n1)); } return (num  rec(n1)); } int main() { printf("%d",rec(8)); } $What$ $is$ $the$ $output$ $of$ $the$ $following$ $code?$ $and$ $WHY?$
asked
Feb 1
in
Linear Algebra
by
Debapaul
(
698
points)

28
views
cprogrammingforgate
0
votes
0
answers
LatticeACE Test
For boolean algebra, lattice need to be complemented and distributive. What is complement (1,2), isnot (1,3) and (1,4) both?
asked
Feb 1
in
Set Theory & Algebra
by
srestha
(
679
points)

54
views
lattice
aceacademytestseries
+1
vote
1
answer
madeeasy test series math problem
not getting how to solve it …...
answered
Feb 1
in
Linear Algebra
by
Debdeep1998
(
104
points)

40
views
0
votes
0
answers
MADE EASY: COMBINATORICS
The number of ways can $5$ letter be put in $3$ boxes $A$,$B$,$C$, such that $A$ contains atleast $2$ letters is __________ ?
asked
Jan 30
in
Combinatory
by
Debapaul
(
698
points)

48
views
madeeasytestseries
0
votes
0
answers
Probability#normal distribution
In a sample of 100 students, the mean of the marks (only integers) obtained by them in a test is 14 with its standard deviation of 2.5(marks obtained can be fitted with a normal distribution ).the percentage of students scoring 16 marks is a)36 b)23 c)12 d)10 (Area under standard normal curve between z=0 and z=0.6 is 0.2257 ; and between z=0 and z=1.0 is 0.3413)
asked
Jan 30
in
Probability
by
kalra05
(
73
points)

57
views
probability
deviation
+1
vote
1
answer
discrete math relation nd function
{(x,y);y=x^i ,Ǝi belong to Z is this relation reflexive ,irreflexive,symmetric,antisym,asym,transitive? Q2: x is brother of y …...is this relation is transitive? answer given as no but not getting why?
answered
Jan 29
in
Set Theory & Algebra
by
Sambhrant Maurya
(
396
points)

47
views
0
votes
0
answers
Testbook FLT
I’m getting 41. Can someone please confirm?
asked
Jan 29
in
Combinatory
by
Sambhrant Maurya
(
396
points)

49
views
testbooktestseries
combinatory
graphtheory
0
votes
0
answers
Mathematics ME Test series
Ques: What is the number of partition of X = {a, b, c, d, e, f} where a and c are always in same block?  15  52  203  None of these
asked
Jan 29
in
Set Theory & Algebra
by
kashyap02
(
26
points)

20
views
discrete_maths
madeeasytestseries
0
votes
0
answers
SELF DOUBT: INTEGRATION
How to solve?
asked
Jan 29
in
Mathematical Logic
by
Debapaul
(
698
points)

69
views
0
votes
0
answers
Found on Internet: ACE PREVIOUS YEAR
In the expansion of $(v+w+x+y+z)^{16}$, the coefficient of $wxy^{13}z$ is $?$ How to solve these types of problems?
asked
Jan 28
in
Mathematical Logic
by
Debapaul
(
698
points)

37
views
engineeringmathematics
0
votes
0
answers
Previous Go: Digraph
asked
Jan 28
in
Mathematical Logic
by
Debapaul
(
698
points)

12
views
discrete_maths
0
votes
0
answers
generating function self doubt
given the generating function as (X^6 1 )/(X1) find the sequence?
asked
Jan 27
in
Combinatory
by
eyeamgj
(
40
points)

51
views
0
votes
0
answers
Made Easy: FLT Basic 3
Consider a degree sequence for n vertices. What is the worst case T.C to determine is a simple graph is possible with this degree sequence? In other words what is the TC of HavelHakimi procedure? $O(n^{2}$) $O(n^{2} log n$) $O(n$) $O(n log n$)
asked
Jan 26
in
Graph Theory
by
Sambhrant Maurya
(
396
points)

29
views
algorithms
graphtheory
0
votes
0
answers
gate 2008 it ques 23 doubt regarding options
In https://gateoverflow.in/3284/gate2008it23 are the options given correct?
asked
Jan 26
in
Probability
by
Pratyush Priyam Kuan
(
803
points)

29
views
probability
0
votes
0
answers
Made Easy test series graph theory
A graph G with n vertices is said to be a void graph if and only if there’s no edge between any pair of vertices belonging to G. Let X be a void graph on 2^k + 1 vertices. Then if it is known that the minimum number of edge insertions required in the best case in order to make it connected is equal to 512, then the value of k^1/2 is equal ...
asked
Jan 25
in
Graph Theory
by
Ram Swaroop
(
173
points)

29
views
madeeasytestseries
discrete_maths
graphtheory
+1
vote
0
answers
Ace CS Pre Gate 2020
Is the function is 11 ? since for x=0 f(0)=0 there is no image in N. So I think it is not a 11 function but it is onto, Plz correct me if I'm wrong.
asked
Jan 25
in
Set Theory & Algebra
by
zohancs
(
13
points)

29
views
acepregatesettheory
0
votes
0
answers
MADE EASY SELF DOUBT: INTEGRATION
$\int_{1}^{b} \dfrac{1}{x}=1$ Now while solving we appear at a stage where we have $logx=1$, now in this position what should be the value of $base$ $of$ $log$ that we should take? should we take $e$ or $10?$
asked
Jan 24
in
Mathematical Logic
by
Debapaul
(
698
points)

18
views
0
votes
0
answers
SELF DOUBT: WELL ORDERED POSET
Can someone explain me in naive term what is a $well$ $ordered$ $poset$ and how it differs from $toset$?
asked
Jan 24
in
Mathematical Logic
by
Debapaul
(
698
points)

16
views
discrete_maths
0
votes
0
answers
Self Doubt: Previous GO Discrete Maths
Consider a binary function $g:P P→\{true,false\},$ where $P$ is a nonempty subset of the natural numbers that contains an even number of distinct elements. Which of the following statements can be true about $g$ ? $g$ is ... two equivalence classes $g$ defines a total order but not a partial order $g$ is reflexive and antisymmetric but not a surjection
asked
Jan 23
in
Set Theory & Algebra
by
Debapaul
(
698
points)

23
views
discrete_maths
0
votes
0
answers
SELF DOUBT: VARIANCE
When $n$ and $p$ is available can we apply $Binomial$ $theorem$ in ALL THE CASES to find the $variance$ by using the formula $npq?$
asked
Jan 23
in
Probability
by
Debapaul
(
698
points)

16
views
probability
0
votes
0
answers
ace academy test series mock test
38.
asked
Jan 23
in
Combinatory
by
Rahul Burman
(
21
points)

26
views
aceacademytestseries
engineeringmathematics
0
votes
1
answer
Kenneth Rosen Chapter 1 Exercise 1.1 Question No.11 e) part Solution
answered
Jan 22
in
Mathematical Logic
by
toxicdesire
(
229
points)

26
views
0
votes
0
answers
Applied course test series : Linear algebra
Can someone explain statement II ?
asked
Jan 22
in
Linear Algebra
by
vishal burnwal
(
135
points)

36
views
linearalgebra
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