1

GATE CSE 2015 Set 3

MCQ (Single Correct Answer)

+2

-0.6

Let $$R$$ be a relation on the set of ordered pairs of positive integers such that $$\left( {\left( {p,q} \right),\left( {r,s} \right)} \right) \in R$$ if and only if $$p - s = q - r.$$ Which one of the following is true about $$R$$?

2

GATE CSE 2014 Set 1

Numerical

+2

-0

Let S denote the set of all functions $$f:\,{\{ 0,\,1\} ^4}\, \to \,\{ 0,\,1\} $$. Denote by N the number of functions from S to the set {0, 1}. The value of $${\log _2}$$ $${\log _2}$$ N is___________________

Your input ____

3

GATE CSE 2014 Set 3

MCQ (Single Correct Answer)

+2

-0.6

Consider the set of all functions $$f:\left\{ {0,\,1,.....,2014} \right\} \to \left\{ {0,\,1,.....,2014} \right\}$$ such that $$f\left( {f\left( i \right)} \right) = i,\,\,\,$$ for all $$0 \le i \le 2014.$$ Consider the following statements:

$$P$$. For each such function it must be the case that for every $$i$$, $$f\left( i \right) = i$$

$$Q$$. For each such function it must be the case that for some $$i$$, $$f\left( i \right) = 1$$

$$R$$. Each such function must be onto.

$$P$$. For each such function it must be the case that for every $$i$$, $$f\left( i \right) = i$$

$$Q$$. For each such function it must be the case that for some $$i$$, $$f\left( i \right) = 1$$

$$R$$. Each such function must be onto.

Which one of the following id CORRECT?

4

GATE CSE 2014 Set 3

Numerical

+2

-0

There are two elements $$x, y$$ in a group $$\left( {G,\, * } \right)$$ such that every elements in the group can be written as a product of some number of $$x's$$ and $$y's$$ in some order. It is known that

$$x * x = y * y = x * y * x * y = y * x * y * x = e$$

where $$e$$ is the identity element. The maximum number of elements in such a group is ______.

$$x * x = y * y = x * y * x * y = y * x * y * x = e$$

where $$e$$ is the identity element. The maximum number of elements in such a group is ______.

Your input ____

Questions Asked from Set Theory & Algebra (Marks 2)

Number in Brackets after Paper Indicates No. of Questions

GATE CSE 2023 (1)
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