Recent questions and answers in Mathematical Logic - GATE CSE Doubts

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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 1 hour ago in Mathematical Logic by Debapaul (615 points) | 23 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 8 hours ago in Mathematical Logic by Debapaul (615 points) | 9 views

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

answered 1 day ago in Mathematical Logic by shashin (1.2k points) | 29 views

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applied gate :maths

asked 1 day ago in Mathematical Logic by abhinav649 (50 points) | 28 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 2 days ago in Mathematical Logic by Debapaul (615 points) | 18 views

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ace test series mock test discretemaths
Q. 55.

answered 2 days ago in Mathematical Logic by Hrishabh_Gaur (9 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 3 days ago in Mathematical Logic by Divyaok (20 points) | 9 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 4 days ago in Mathematical Logic by Divyaok (20 points) | 12 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) | 8 views

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Made Easy test series discrete mathematics combinatorics

answered Jan 9 in Mathematical Logic by SuvasishDutta (157 points) | 38 views

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Made Easy test series multiple subject graph theory

answered Jan 9 in Mathematical Logic by shashin (1.2k points) | 34 views

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Made Easy test series multiple subject discrete mathematics combinatorics

asked Jan 8 in Mathematical Logic by Ram Swaroop (155 points) | 10 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 (1.2k points) | 24 views

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MADE EASY TEST SERIES: LINEAR ALGEBRA FLT

answered Jan 8 in Mathematical Logic by Satbir (4.1k points) | 63 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 (9 points) | 7 views

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GATE FORUM: MATRIX DOUBT

answered Jan 6 in Mathematical Logic by Vimal Patel (817 points) | 18 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 (912 points) | 40 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 Jan 1 in Mathematical Logic by Deepakk Poonia (Dee) (634 points) | 29 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 (736 points) | 22 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 (615 points) | 12 views

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Self Doubt: Lattice
Say in a lattice we have $N$ elements where $N=2^x$ and $x>0$ then that lattice is always a $Boolean$ $Lattice$ State $true$ or $false$ along with explanation State if the vice versa is $true$ or $false$ along with explanation

answered Dec 26, 2019 in Mathematical Logic by Deepakk Poonia (Dee) (634 points) | 34 views

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The number of unlabelled simple graphs possible
The number of unlabelled simple graphs possible with 5 vertices and 3 edges is equal to

asked Dec 20, 2019 in Mathematical Logic by ankitron (9 points) | 21 views

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ACE ACADEMY: MATHEMATICS
Let a book of 500 pages contain 30 printing mistakes. Let these errors are randomly distributed throughout the book and the number of errors per page has a poisson distribution. The probability that 10 pages selected at random is free from error is ______________

answered Dec 17, 2019 in Mathematical Logic by Vimal Patel (817 points) | 36 views

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ACE MATHEMATICS
Let $f(x) = 2x$ and $g(x) = sinx$. The domain and range of the composite function $gof$ is Domain is all real x and range is −1 ≤ y ≤ 1 Domain is all real x and range is −2 ≤ y ≤2 Domain is −1 ≤ y ≤ 1 and range is −1 ≤ y ≤ 1 d. Domain is all positive real values and range is -½ <= x<= ½

asked Dec 17, 2019 in Mathematical Logic by GAITONDE (1.7k points) | 10 views

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Made EAsy test series ....
Someone please explain this..

answered Dec 16, 2019 in Mathematical Logic by Pratyush Priyam Kuan (736 points) | 25 views

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mathematics-gate-ee-17
Hi Can someone please explain the answer to question in the below link . I am not able to understand it . Thank You https://gateoverflow.in/135069/mathematics-gate-ee-17

asked Dec 13, 2019 in Mathematical Logic by Pratyush Priyam Kuan (736 points) | 4 views

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How many 4 digits even number have all digits distinct

asked Dec 11, 2019 in Mathematical Logic by Pkhjhgfc (6 points) | 17 views

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GRAPH THEORY-self doubt
In GATE If suppose nothing is mentioned about the type of vertices then do we consider them to be labelled/unlabelled by default?

asked Dec 10, 2019 in Mathematical Logic by Doraemon (91 points) | 10 views

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Applied course test series: Propositional logic
What will be the correct answer for above question?

asked Dec 1, 2019 in Mathematical Logic by vishal burnwal (117 points) | 16 views

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Finding Degree of last vertex(Ravindra babu ravula test series)

answered Nov 28, 2019 in Mathematical Logic by Priyansh Singh (219 points) | 32 views

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Kenneth Rosen discrete mathematics seventh edition page 379 exercise 5.5 question 33

asked Nov 25, 2019 in Mathematical Logic by Ram Swaroop (155 points) | 9 views

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Self doubts whether function f(x)=x^(2/3) is differentiable or not

asked Nov 25, 2019 in Mathematical Logic by lokeshsharma123456 (9 points) | 23 views

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Self doubt on Predicate Logic quantifier position implications

answered Nov 24, 2019 in Mathematical Logic by GAITONDE (1.7k points) | 18 views

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GF: MATHS 2020
Both $B$ and $D$ are correct, right?

answered Nov 23, 2019 in Mathematical Logic by pranay562 (912 points) | 27 views

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Propositional and Predicate Logic doubts
Consider P(x):x is a politician and S(x): x is a sportsman In ∀x(P(x) → S(x)) we have all politicians who are sportsman and also we can have others who are non politicians but sportsman,who are non politicians and non sportsman right? Please clarify.

asked Nov 21, 2019 in Mathematical Logic by Shivateja MST (96 points) | 17 views

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MADE EASY DMATHS 2020

asked Nov 18, 2019 in Mathematical Logic by Debapaul (615 points) | 10 views

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MADE EASY: DM 2020
Lasith Malinga is called to bowl Ishant Sharma come out to bat Sachin Tendulkar got out after the tea break None

answered Nov 18, 2019 in Mathematical Logic by Satbir (4.1k points) | 18 views

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UEMK GATE MOCK : MATHS

asked Nov 16, 2019 in Mathematical Logic by Debapaul (615 points) | 9 views

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GATE GURU: LINEAR ALGEBRA TOPIC TEST
The number of distinct possible square matrices of order 2, with each entry 2 (or) 0 (or) -2 is __________________

answered Nov 14, 2019 in Mathematical Logic by Satbir (4.1k points) | 15 views

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The solution of the recurrence relation
an=4an-1+3n2n where a0=4.

asked Nov 13, 2019 in Mathematical Logic by altamash (43 points) | 16 views

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