1

GATE CSE 2020

Numerical

+1

-0.33

Let R be the set of all binary relations on the set {1,2,3}. Suppose a relation is chosen from R at random. The probability that the chosen relation is reflexive (round off to 3 decimal places) is _____.

Your input ____

2

GATE CSE 2019

MCQ (Single Correct Answer)

+1

-0.33

Let G be an arbitrary group. Consider the following relations on G :

R1: ∀a,b ∈ G, aR

R2: ∀a,b ∈ G, aR

Which of the above is/are equivalence relation/relations?

R1: ∀a,b ∈ G, aR

_{1}b if and only if ∃g ∈ G such that a = g^{-1}bgR2: ∀a,b ∈ G, aR

_{2}b if and only if a = b^{-1}Which of the above is/are equivalence relation/relations?

3

GATE CSE 2019

MCQ (Single Correct Answer)

+1

-0.33

Let U = {1, 2 ,..., n}. Let A = {(x, X) | x ∈ X, X ⊆ U}. Consider the following two statements on |A|.

I. |A| = n2

II. |A| = $$\sum\limits_{k = 1}^n {k\left( {\matrix{ n \cr k \cr } } \right)} $$

Which of the above statements is/are TRUE?

I. |A| = n2

^{n–1}II. |A| = $$\sum\limits_{k = 1}^n {k\left( {\matrix{ n \cr k \cr } } \right)} $$

Which of the above statements is/are TRUE?

4

GATE CSE 2015 Set 3

MCQ (Single Correct Answer)

+1

-0.3

Suppose $$𝑈$$ is the power set of the set $$S = \left\{ {1,2,3,4,5,6,} \right\}$$. For any $$T \in U,$$ let $$\left| T \right|$$ denote the number of elements in $$𝑇$$ and $$T'$$ denote the complement of $$𝑇.$$ For any $$T,R \in U,$$ let $$T\backslash R$$ be the set of all elements in $$𝑇$$ which are not in $$𝑅.$$ Which one of the following is true?

Questions Asked from Set Theory & Algebra (Marks 1)

Number in Brackets after Paper Indicates No. of Questions

GATE CSE 2020 (2)
GATE CSE 2019 (2)
GATE CSE 2015 Set 3 (1)
GATE CSE 2015 Set 2 (2)
GATE CSE 2015 Set 1 (1)
GATE CSE 2014 Set 3 (1)
GATE CSE 2013 (2)
GATE CSE 2010 (2)
GATE CSE 2009 (2)
GATE CSE 2008 (1)
GATE CSE 2007 (2)
GATE CSE 2006 (4)
GATE CSE 2005 (4)
GATE CSE 2004 (3)
GATE CSE 2001 (1)
GATE CSE 1999 (1)
GATE CSE 1998 (3)
GATE CSE 1997 (1)
GATE CSE 1996 (4)
GATE CSE 1995 (2)
GATE CSE 1993 (2)
GATE CSE 1987 (2)

GATE CSE Subjects

Discrete Mathematics

Programming Languages

Theory of Computation

Operating Systems

Computer Organization

Database Management System

Data Structures

Computer Networks

Algorithms

Compiler Design

Software Engineering

Web Technologies

General Aptitude