Recent questions and answers in Mathematical Logic - GATE CSE Doubts

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Matrices Eigen Values
The value of ‘x’ for which all the eigen values of the matrix given below are real is 10 5+j 4 x 20 2 4 2 -10 5+j b. 5-j c.1-5j d.1+5j

asked 3 days ago in Mathematical Logic by Shivateja MST (113 points) | 13 views

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Question on vector calculus
Which one of the following descries the relationship among the three vectors, i+j+k ,2i+3j+k ,5i+6j+4k ? The vectors are mutually perpendicular The vectors are linearly dependent The vectors are linearly independent The vectors are unit vectors Anyone please clarify.

asked 3 days ago in Mathematical Logic by Shivateja MST (113 points) | 7 views

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STATISTICS - Probability
The Indian cricket team is visiting New Zealand to play a test series comprising five matches. In each match, assume that the Indian team has a 70% chance of winning. Further, assuming that the matches are independent of each other, what is the probability that: The Indian team will win the series? b. The team will win all five matches, and that the team will lose all?

asked 5 days ago in Mathematical Logic by SHIVANI AGARWAL (6 points) | 13 views

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Ugc net dec 2019
The order of schema ?10?101? and ???0??1 are _______ and _______ respectively.

asked Mar 2 in Mathematical Logic by deydipankar2014 (6 points) | 10 views

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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 (683 points) | 34 views

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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 (699 points) | 39 views

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GATE 2020: MECHANICAL: APTI

answered Feb 3 in Mathematical Logic by shashin (1.9k points) | 59 views

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GATE 2020 ME: EIGEN VALUES

asked Feb 3 in Mathematical Logic by Debapaul (699 points) | 26 views

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GATE 2020 ME: PROBABILITY

asked Feb 3 in Mathematical Logic by Debapaul (699 points) | 35 views

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ECE 2020: ENTROPY

asked Feb 3 in Mathematical Logic by Debapaul (699 points) | 41 views

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ECE 2020 PROBABILITY

answered Feb 3 in Mathematical Logic by shashin (1.9k points) | 112 views

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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) | 52 views

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SELF DOUBT: INTEGRATION
How to solve?

asked Jan 29 in Mathematical Logic by Debapaul (699 points) | 77 views

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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 (699 points) | 38 views

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Previous Go: Di-graph

asked Jan 28 in Mathematical Logic by Debapaul (699 points) | 12 views

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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 (699 points) | 18 views

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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 (699 points) | 16 views

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1 answer

Kenneth Rosen Chapter 1 Exercise 1.1 Question No.11 e) part Solution

answered Jan 22 in Mathematical Logic by toxicdesire (293 points) | 27 views

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for a given set A, the number of elements in the set is: A= { { }, { { } }, { { }, { } },...}

asked Jan 21 in Mathematical Logic by ipg_2016069 (6 points) | 15 views

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Gate previous year 2016 same concept
If f'(x)=1/5-x^2, f(0)=1,then the lower and upper bound of f(1) are ___? A)6/5 , 5/4 B)-6/5 , -5/4 C) -6/5 , 5/4 D)6/5 ,-5/4

answered Jan 19 in Mathematical Logic by pranay562 (926 points) | 16 views

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Self Doubt: Linearly Independent eigen vectors
Is the number of linearly independent eigen vector same as number of linearly independent eigen values?

asked Jan 19 in Mathematical Logic by Debapaul (699 points) | 32 views

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GATE GURU: CSE MATHS
Say in GATE instead of 65 questions there are 61 questions from 11 subjects where 10 subjects contain $6$ questions each and the remaining one contain $1$ question only. In how many ways the paper can be set to satisfy this constraint? Ans should be 11 right? as we need have $11\choose1$ ways

asked Jan 19 in Mathematical Logic by Debapaul (699 points) | 11 views

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The maximum value of the minimum degree in connected planar bipartite graph is ____? [closed]

answered Jan 18 in Mathematical Logic by shashin (1.9k points) | 55 views

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applied gate :maths

asked Jan 18 in Mathematical Logic by abhinav649 (67 points) | 31 views

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GATE FORUM: DISCRETE MATHS
I have solved it like this Do we need to consider $7$ also? $7$ shouldn’t be in the relation right? So minimal elements in $3$ right?

asked Jan 17 in Mathematical Logic by Debapaul (699 points) | 22 views

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ace test series mock test discretemaths
Q. 55.

answered Jan 17 in Mathematical Logic by Hrishabh_Gaur (10 points) | 31 views

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matrices self doubt
The vale f ‘a’ for which the matrix becomes a singular matrix i feel for any value f ‘a’ the determinant would be zero however the answer mentioned is a=3. can someone please help me with this.

asked Jan 16 in Mathematical Logic by Divyaok (23 points) | 24 views

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probability related question
Let A, B, C, D, E are the 5 jockeys riding 5 horses in a horse race. The probability distribution of their winning is tabulated as Jockey Name A B C D E Probability 1/4 1/6 1/3 1/12 1/6 Mr.Pintraj has placed his bet on A and D. What is the probability that Pintraj may win is

asked Jan 14 in Mathematical Logic by Divyaok (23 points) | 20 views

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gate previous year Engineering maths
https://gateoverflow.in/1225/gate2007-27 could anybody explain properly how to find if the vectors form a basis for subspace? i am having difficulty in this question

asked Jan 11 in Mathematical Logic by chandrikabhuyan8 (120 points) | 9 views

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Made Easy test series discrete mathematics combinatorics

answered Jan 9 in Mathematical Logic by SuvasishDutta (209 points) | 41 views

+1 vote

1 answer

Made Easy test series multiple subject graph theory

answered Jan 9 in Mathematical Logic by shashin (1.9k points) | 38 views

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Made Easy test series multiple subject discrete mathematics combinatorics

asked Jan 8 in Mathematical Logic by Ram Swaroop (305 points) | 12 views

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made easy Probability
From a box containing 60 standard and 40 substandard article, two articles are chosen at random. What is the probability that one of them is standard and the other substandard? A.16/33 B.8/33 Answer is 16/33. My doubt is as in question it is not given simultaneously. How to know random means simultaneously or one by one? Or it is explicitly they give one after one.

answered Jan 8 in Mathematical Logic by shashin (1.9k points) | 25 views

+1 vote

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MADE EASY TEST SERIES: LINEAR ALGEBRA FLT

answered Jan 8 in Mathematical Logic by Satbir (4.1k points) | 66 views

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ISRO made easy RELATION
Consider the relation on the set of non-negative integers defined by x =y if and only if 1.x mod 3 = 3 mod y 2.3 mod x = 3 mod y 3.x mod 3 = y mod 3

asked Jan 7 in Mathematical Logic by lokeshsharma123456 (11 points) | 8 views

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GATE FORUM: MATRIX DOUBT

answered Jan 6 in Mathematical Logic by Vimal Patel (916 points) | 23 views

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Self Doubt: Made easy: Generating Function
Is there any reverse engineering way to solve this problem? Like can i know which is the correct ans by just putting the values in option?

answered Jan 3 in Mathematical Logic by pranay562 (926 points) | 44 views

+1 vote

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Made Easy Test chromati number
The chromatic number of the graph is________________. I am getting $3$ by using the concept of independent sets but the answer given is $4$

answered Jan 1 in Mathematical Logic by Deepakk Poonia (Dee) (681 points) | 33 views

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Made Easy Test chromati number
The chromatic number of the graph is________________. I am getting $3$ by using the concept of independent sets but the answer given is $4$

answered Dec 31, 2019 in Mathematical Logic by Pratyush Priyam Kuan (804 points) | 25 views

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MADE EASY: PROBABILITY
Two cards from 52 card sets were missing. A card from the rest of the cards was selected randomly. What is the probability that it is a spade? I have solved this problem like this, Case 1 (No spade missing) Case 2 (1 spade missing) Case 3 (2 spade missing) ... but the answer given is like→ Are they correct? And why cant i solve it in the way which I have done?

asked Dec 27, 2019 in Mathematical Logic by Debapaul (699 points) | 14 views

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